| Article number |
6ES7253-1AA22-0XA0
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*** spare part *** SIMATIC S7-200, EM253 positioning expansion module, 200 kHz, for controlling stepper motors or servo drives, open-loop control, programming via Micro/WIN |
| Supply voltage |
| permissible range, lower limit (DC) |
11 V |
| permissible range, upper limit (DC) |
30 V |
| Input current |
| from supply voltage L+, max. |
300 mA; from 12 V DC, 130 mA from 24 V DC |
| from backplane bus 5 V DC, max. |
190 mA |
| Power loss |
| Power loss, typ. |
2.5 W |
| Hardware configuration |
| Number of modules per CPU |
max. 5 with CPU 226/226XM, max. 3 with CPU 224, max. 1 with CPU 222 |
| Digital inputs |
| Number of digital inputs |
5; P-reading |
| Functions |
Stop (STP), reference point switch (RPS), upper limit switch (LMT+), lower limit switch (LMT-), zero point (ZP) |
| Input characteristic curve in accordance with IEC 61131, type 1 |
Yes |
| Input voltage |
| ● Rated value (DC) |
24 V |
| ● for signal "0" |
STP, RPS, LMT+, LMT- DC 5 V; ZP DC 1 V |
| ● for signal "1" |
STP, RPS, LMT+, LMT- DC 15 V; ZP DC 3 V |
| Input delay (for rated value of input voltage) |
| for standard inputs |
| — parameterizable |
Yes; STP, RPS, LMT+, LMT- 0.2 to 12.8 ms; ZP min 2 µs |
| Cable length |
| ● shielded, max. |
100 m; STP, RPS, LMT+, LMT- 100 m, ZP 10 m |
| ● unshielded, max. |
30 m; STP, RPS, LMT+, LMT- 30 m, ZP not recommended |
| Encoder |
| Connectable encoders |
| ● 2-wire sensor |
Yes |
| — permissible quiescent current (2-wire sensor), max. |
1 mA |
| Drive interface |
| Number of drive interfaces |
4; optionally RS 422 / 485 or 5 V DC |
| Stepper drive |
| ● Differential output voltage, min. |
2.8 V; RL = 200 ohms |
| ● Output current, max. |
50 mA |
| ● Pulse frequency |
200 kHz |
| ● Cable length, shielded, max. |
10 m |
| Potential separation |
| Potential separation digital inputs |
| ● between the channels |
Yes |
| ● between the channels, in groups of |
1 (STP, RPS, ZP), 2 (LMT-, LMT+) |
| Permissible potential difference |
| between different circuits |
500 V AC |
| Dimensions |
| Width |
71.2 mm |
| Height |
80 mm |
| Depth |
62 mm |
| Weights |
| Weight, approx. |
190 g |