Article number 6ES7222-1HH32-0XB0
SIMATIC S7-1200, Digital output SM 1222, 16 DO, relay 2 A
General information
Product type designation SM 1222, DQ 16x relay/2 A
Supply voltage
permissible range, lower limit (DC) 20.4 V
permissible range, upper limit (DC) 28.8 V
Input current
from backplane bus 5 V DC, max. 135 mA
Digital outputs
● from load voltage L+, max. 11 mA/relay coil
Power loss
Power loss, typ. 8.5 W
Digital outputs
Number of digital outputs 16
● in groups of 1
Short-circuit protection No; to be provided externally
Switching capacity of the outputs
● with resistive load, max. 2 A
● on lamp load, max. 30 W with DC, 200 W with AC
Output voltage
● Rated value (DC) 5 V DC to 30 V DC
● Rated value (AC) 5 V AC to 250 V AC
Output current
● for signal "1" rated value 2 A
Output delay with resistive load
● "0" to "1", max. 10 ms
● "1" to "0", max. 10 ms
Total current of the outputs (per group)
horizontal installation
— up to 50 °C, max. 10 A; Current per mass
Relay outputs
● Number of relay outputs 16
● Rated supply voltage of relay coil L+ (DC) 24 V
● Number of operating cycles, max. mechanically 10 million, at rated load voltage 100 000
Switching capacity of contacts
— with inductive load, max. 2 A
— on lamp load, max. 30 W with DC, 200 W with AC
— with resistive load, max. 2 A
Cable length
● shielded, max. 500 m
● unshielded, max. 150 m
Interrupts/diagnostics/status information
Alarms
● Diagnostic alarm Yes
Diagnostics indication LED
● for status of the outputs Yes
Potential separation
Potential separation digital outputs
● between the channels Relays
● between the channels, in groups of 4
● between the channels and backplane bus 1 500 V AC for 1 minute
Permissible potential difference
between different circuits 750 V AC for 1 minute
Degree and class of protection
IP degree of protection IP20
Standards, approvals, certificates
CE mark Yes
CSA approval Yes
UL approval Yes
cULus Yes
FM approval Yes
RCM (formerly C-TICK) Yes
KC approval Yes
Marine approval Yes
Ambient conditions
Free fall
● Fall height, max. 0.3 m; five times, in product package
Ambient temperature during operation
● min. -20 °C
● max. 60 °C; Number of simultaneously activated outputs: 8 (no adjacent points) at 60 °C horizontal or 50 °C vertical, 16 at 55 °C horizontal or 45 °C vertical
● horizontal installation, min. -20 °C
● horizontal installation, max. 60 °C
● vertical installation, min. -20 °C
● vertical installation, max. 50 °C
● permissible temperature change 5°C to 55°C, 3°C / minute
Ambient temperature during storage/transportation
● min. -40 °C
● max. 70 °C
Air pressure acc. to IEC 60068-2-13
● Storage/transport, min. 660 hPa
● Storage/transport, max. 1 080 hPa
Relative humidity
● Operation at 25 ℃ without condensation, max. 95 %
connection method
required front connector Yes
Mechanics/material
Enclosure material (front)
● Plastic Yes
Dimensions
Width 45 mm
Height 100 mm
Depth 75 mm
Weights
Weight, approx. 260 g
last modified: 3/12/2024