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General information
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Product type designation
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CPU 1518F-4PN/DP
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Product function
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Yes; I&M0 to I&M3
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Yes; Distributed and central; with minimum OB 6x cycle of 125 µs (distributed) and 1 ms (central)
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Engineering with
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see entry ID: 109746275
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Configuration control
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via dataset
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Yes
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Display
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Screen diagonal [cm]
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6.1 cm
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Control elements
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Number of keys
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6
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Mode selector switch
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1
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Supply voltage
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Rated value (DC)
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24 V
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permissible range, lower limit (DC)
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19.2 V
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permissible range, upper limit (DC)
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28.8 V
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Reverse polarity protection
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Yes
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Mains buffering
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5 ms
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1/s
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Input current
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Current consumption (rated value)
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1.55 A
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Inrush current, max.
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2.4 A; Rated value
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I²t
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0.02 A²·s
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Power
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Infeed power to the backplane bus
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12 W
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Power consumption from the backplane bus (balanced)
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30 W
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Power loss
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Power loss, typ.
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24 W
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Memory
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Number of slots for SIMATIC memory card
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1
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SIMATIC memory card required
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Yes
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Work memory
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9 Mbyte
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60 Mbyte
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Load memory
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32 Gbyte
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Backup
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Yes
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CPU processing times
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for bit operations, typ.
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1 ns
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for word operations, typ.
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2 ns
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for fixed point arithmetic, typ.
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2 ns
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for floating point arithmetic, typ.
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6 ns
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CPU-blocks
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Number of elements (total)
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20 000; Blocks (OB, FB, FC, DB) and UDTs
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DB
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1 ... 60 999; subdivided into: number range that can be used by the user: 1 ... 59 999, and number range of DBs created via SFC 86: 60 000 ... 60 999
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16 Mbyte; For DBs with absolute addressing, the max. size is 64 KB
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FB
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0 ... 65 535
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1 Mbyte
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FC
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0 ... 65 535
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1 Mbyte
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OB
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1 Mbyte
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100
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20
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20
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20; with minimum OB 3x cycle of 100 µs
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50
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3
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3
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2
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100
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4
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2
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1
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Nesting depth
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24
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Counters, timers and their retentivity
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S7 counter
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2 048
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Retentivity
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Yes
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IEC counter
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Any (only limited by the main memory)
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Retentivity
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Yes
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S7 times
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2 048
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Retentivity
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Yes
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IEC timer
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Any (only limited by the main memory)
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Retentivity
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Yes
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Data areas and their retentivity
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Retentive data area (incl. timers, counters, flags), max.
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768 kbyte; In total; available retentive memory for bit memories, timers, counters, DBs, and technology data (axes): 700 KB
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Extended retentive data area (incl. timers, counters, flags), max.
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20 Mbyte; When using PS 6 0W 24/48/60 V DC HF
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Flag
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16 kbyte
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8; 8 clock memory bit, grouped into one clock memory byte
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Data blocks
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Yes
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No
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Local data
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64 kbyte; max. 16 KB per block
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Address area
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Number of IO modules
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16 384; max. number of modules / submodules
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I/O address area
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32 kbyte; All inputs are in the process image
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32 kbyte; All outputs are in the process image
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per integrated IO subsystem
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32 kbyte; max. 32 KB via X1; max. 8 KB via X2 or X4
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32 kbyte; max. 32 KB via X1; max. 8 KB via X2 or X4
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per CM/CP
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8 kbyte
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8 kbyte
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Subprocess images
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32
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Hardware configuration
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Number of distributed IO systems
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64; A distributed I/O system is characterized not only by the integration of distributed I/O via PROFINET or PROFIBUS communication modules, but also by the connection of I/O via AS-i master modules or links (e.g. IE/PB-Link)
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Number of DP masters
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1
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8; A maximum of 8 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total
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Number of IO Controllers
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2
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8; A maximum of 8 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total
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Rack
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32; CPU + 31 modules
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1
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PtP CM
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the number of connectable PtP CMs is only limited by the number of available slots
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Time of day
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Clock
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Hardware clock
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6 wk; At 40 °C ambient temperature, typically
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10 s; Typ.: 2 s
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Operating hours counter
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16
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Clock synchronization
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Yes
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Yes
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Yes
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Yes
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Yes
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Interfaces
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Number of PROFINET interfaces
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3
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Number of PROFIBUS interfaces
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1
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1. Interface
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Interface types
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Yes; X1
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2
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Yes
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Protocols
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Yes; IPv4
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Yes
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Yes
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Yes
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Yes; Optionally also encrypted
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Yes
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Yes; MRP Automanager according to IEC 62439-2 Edition 2.0
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PROFINET IO Controller
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Services
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Yes
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Yes
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Yes; Requirement: IRT and isochronous mode (MRPD optional)
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Yes
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Yes; per user program
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Yes; Max. 32 PROFINET devices
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512; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET
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64
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512
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512
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8; in total across all interfaces
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8
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The minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data
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Update time for IRT
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125 µs
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187.5 µs
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250 µs to 4 ms
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500 µs to 8 ms
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1 ms to 16 ms
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2 ms to 32 ms
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4 ms to 64 ms
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Update time = set "odd" send clock (any multiple of 125 µs: 375 µs, 625 µs ... 3 875 µs)
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Update time for RT
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250 µs to 128 ms
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500 µs to 256 ms
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1 ms to 512 ms
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2 ms to 512 ms
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4 ms to 512 ms
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PROFINET IO Device
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Services
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Yes
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No
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Yes; Minimum send cycle of 250 µs
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Yes; per user program
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Yes
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4
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Yes; per user program
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Yes; per user program
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2. Interface
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Interface types
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Yes; X2
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1
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No
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Protocols
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Yes; IPv4
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Yes
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Yes
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Yes
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Yes; Optionally also encrypted
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Yes
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No
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PROFINET IO Controller
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Services
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Yes
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No
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No
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No
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Yes; per user program
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No
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128; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET
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128
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128
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8; in total across all interfaces
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8
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The minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data
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Update time for RT
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1 ms to 512 ms
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PROFINET IO Device
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Services
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Yes
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No
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No
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Yes; per user program
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No
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Yes
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4
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Yes; per user program
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Yes; per user program
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3. Interface
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Interface types
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Yes; X3
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1
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No
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Protocols
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Yes; IPv4
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No
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No
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Yes
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Yes
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Yes
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4. Interface
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Interface types
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Yes; X4
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1
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Protocols
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Yes
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No
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Yes
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PROFIBUS DP master
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48; for the integrated PROFIBUS DP interface
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125; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET
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Services
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Yes
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Yes
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Yes
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Yes
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Interface types
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RJ 45 (Ethernet)
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Yes
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Yes; Only possible at the X3 interface of the CPU 1518
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Yes
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Yes
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Yes
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RS 485
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12 Mbit/s
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Protocols
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PROFIsafe
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Yes; V2.4 / V2.6
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Number of connections
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384; via integrated interfaces of the CPU and connected CPs / CMs
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10
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320
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64; in total, only 16 S7-Routing connections are supported via PROFIBUS
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Redundancy mode
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Yes
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Media redundancy
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only via 1st interface (X1)
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Yes; as MRP redundancy manager and/or MRP client
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Yes; as ring node according to IEC 62439-2 Edition 2.0
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Yes; Requirement: IRT
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200 ms; For MRP, bumpless for MRPD
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50
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SIMATIC communication
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Yes
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Yes
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Yes
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Yes
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See online help (S7 communication, user data size)
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Open IE communication
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Yes
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64 kbyte
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Yes
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Yes
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64 kbyte
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Yes
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2 kbyte; 1 472 bytes for UDP broadcast
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Yes; 128 multicast circuits (of which max. 5 via X1)
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Yes
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Yes
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Yes
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Yes
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Yes
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Yes; Optional
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Web server
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Yes; Standard and user pages
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Yes; Standard and user pages
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OPC UA
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Yes
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Yes
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Yes
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Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256
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"anonymous" or by user name & password
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40
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5 000
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300
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20
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100
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1
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5
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5 000
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100
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20
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Yes; Data access (read, write, subscribe), method call, custom address space
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Yes
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Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256
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"anonymous" or by user name & password
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64
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200 000
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50 000
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20
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10 ms
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10 ms
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100
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20
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10 000; for 1 s sampling interval and 1 s send interval
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10 of each "Server interfaces" / "Companion specification" type and 20 of the type "Reference namespace"
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30 000
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400
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200
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Further protocols
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Yes; MODBUS TCP
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Isochronous mode
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Equidistance
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Yes
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S7 message functions
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Number of login stations for message functions, max.
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64
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Program alarms
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Yes
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Number of configurable program messages, max.
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10 000; Program messages are generated by the "Program_Alarm" block, ProDiag or GRAPH
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Number of loadable program messages in RUN, max.
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5 000
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Number of simultaneously active program alarms
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4 000
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1 000
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480
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Test commissioning functions
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Joint commission (Team Engineering)
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Yes; Parallel online access possible for up to 10 engineering systems
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Status block
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Yes; Up to 16 simultaneously (in total across all ES clients)
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Single step
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No
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Number of breakpoints
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20
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Status/control
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Yes; without fail-safe
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inputs/outputs, bit memories, DBs, peripheral I/Os (without fail-safe), times, counters
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200; per job
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200; per job
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Forcing
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Yes; without fail-safe
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peripheral inputs/outputs (without fail-safe)
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200
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Diagnostic buffer
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Yes
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3 200
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1 000
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Traces
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8; Up to 512 KB of data per trace are possible
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Interrupts/diagnostics/status information
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Diagnostics indication LED
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Yes
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Yes
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Yes
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Yes
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Supported technology objects
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Motion Control
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Yes; Note: The number of technology objects affects the cycle time of the PLC program; selection guide via the TIA Selection Tool
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15 360
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40
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80
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160
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80
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20
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160
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40
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140
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192
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Controller
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Yes; Universal PID controller with integrated optimization
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Yes; PID controller with integrated optimization for valves
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Yes; PID controller with integrated optimization for temperature
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Counting and measuring
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Yes
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Standards, approvals, certificates
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Ecological footprint
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Yes
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Global warming potential
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570 kg
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96.9 kg
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483 kg
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-9.97 kg
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Highest safety class achievable in safety mode
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PLe
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SIL 3
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Probability of failure (for service life of 20 years and repair time of 100 hours)
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< 2.00E-05
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< 1.00E-09
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Ambient conditions
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Ambient temperature during operation
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0 °C
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60 °C; Display: 50 °C, at an operating temperature of typically 50 °C, the display is switched off
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0 °C
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40 °C; Display: 40 °C, at an operating temperature of typically 40 °C, the display is switched off
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Ambient temperature during storage/transportation
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-40 °C
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70 °C
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Altitude during operation relating to sea level
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5 000 m
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Restrictions for installation altitudes > 2 000 m, see entry ID: 109763260
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Relative humidity
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100 %; RH incl. condensation/frost (no commissioning under condensation conditions)
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Resistance
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Coolants and lubricants
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Yes; Incl. diesel and oil droplets in the air
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Use in stationary industrial systems
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|
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Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
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Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
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Yes; Class 3S4 incl. sand, dust, *
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Use on ships/at sea
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Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request
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Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
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Yes; Class 6S3 incl. sand, dust; *
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Usage in industrial process technology
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Yes; Class 3 (excluding trichlorethylene)
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Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
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Remark
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* The supplied plug covers must remain in place over the unused interfaces during operation!
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Conformal coating
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Yes; Class 2 for high reliability
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Yes; Type 1 protection
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Yes; Discoloration of coating possible during service life
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Yes; Conformal coating, Class A
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configuration / header
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configuration / programming / header
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Programming language
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Yes; incl. failsafe
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Yes; incl. failsafe
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Yes
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Yes
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Yes
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Know-how protection
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Yes
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Yes
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Yes
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Access protection
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Yes
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Yes; Specific write protection both for Standard and for Failsafe
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Yes
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Yes
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Yes
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programming / cycle time monitoring / header
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adjustable minimum cycle time
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adjustable maximum cycle time
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Dimensions
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Width
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175 mm
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Height
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147 mm
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Depth
|
129 mm
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Weights
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Weight, approx.
|
1 988 g
|
