| AS SPARE PART ONLY! SIMATIC S7-300, FUNCTION MODULE FM 357-2 (M80486 CPU) FOR POSITIONING AND PATH CONTROL OF STEPPER AND SERVO MOTORS (4 MEASURING CIRCUITS) |
| Supply voltage |
| Rated value (DC) | |
| 24 V DC | Yes |
| Input current |
| from backplane bus 5 V DC, max. | 100 mA |
| Encoder supply |
| 5 V encoder supply |
| 5 V | Yes |
| Output current, max. | 210 mA |
| Cable length, max. | 35 m |
| 24 V encoder supply |
| 24 V | Yes |
| Output current, max. | 300 mA |
| Cable length, max. | 100 m |
| Power loss |
| Power loss, typ. | 15 W |
| Memory |
| Type of memory | NC program memory |
| Memory size | 750 kbyte |
| Digital inputs |
| Number of digital inputs | 18 |
| Functions | 4 BERO, 2 probes, 12 for any use |
| Input voltage |
| Rated value (DC) | 24 V |
| for signal "0" | -3 to +5V |
| for signal "1" | +11 to +30V |
| Input current |
| for signal "0", max. (permissible quiescent current) | 2 mA |
| for signal "1", typ. | 6 mA; 6 to 30 mA |
| Digital outputs |
| Number of digital outputs | 8 |
| Functions | 8 for any purpose |
| Output voltage |
| Rated value (DC) | 24 V |
| for signal "1", min. | UP -3 V |
| Output current |
| for signal "1" permissible range for 0 to 55 °C, max. | 0.5 A; with UPmax |
| for signal "0" residual current, max. | 2 mA |
| Encoder |
| Connectable encoders |
| Incremental encoder (symmetrical) | Yes |
| Absolute encoder (SSI) | Yes |
| Encoder signals, incremental encoder (symmetrical) |
| Trace mark signals | A, notA, B, notB |
| Zero mark signal | N, notN |
| Input voltage | 5 V difference signal (phys. RS 422) |
| Input frequency, max. | 1 MHz |
| Encoder signals, absolute encoder (SSI) |
| Input signal | 5 V difference signal (phys. RS 422) |
| Data signal | DATA, notDATA |
| Clock signal | CL, notCL |
| Telegram length, parameterizable | 13, 21 or 25 bit |
| Clock frequency, max. | 1.5 Mbit/s |
| Cable length, shielded, max. | 250 m; At max. 187.5 kbit/s |
| Integrated Functions |
| controlled positioning | |
| Programmable traverse speed, max. | 1 000 m/min |
| Drive interface |
| Analog drive |
| Setpoint signal |
| — Rated voltage range | -10 to +10V |
| — Output current | -3 to +3 mA |
| — Cable length, max. | 35 m |
| Output controller enable |
| — Switching voltage, max. | 50 V |
| — Switching current, max. | 1 A |
| — Switching capacity, max. | 30 V·A |
| Stepper drive |
| Differential output voltage, min. | 2 V; RL = 100 Ohm |
| Differential output voltage for signal "0", max. | 1 V; Io = 20 mA |
| Differential output voltage for signal "1", min. | 3.7 V; Io = -20 mA |
| Pulse frequency | 750 kHz |
| Cable length, shielded, max. | 50 m; 35 m in hybrid mode with servo axes |
| Potential separation |
| Potential separation digital inputs |
| Potential separation digital inputs | Yes |
| Potential separation digital outputs |
| Potential separation digital outputs | Yes |
| Degree and class of protection |
| Degree of protection acc. to EN 60529 | |
| IP20 | Yes |
| Connection method |
| required front connector | 1x 40-pin |
| Dimensions |
| Width | 200 mm |
| Height | 125 mm |
| Depth | 118 mm |
| Weights |
| Weight, approx. | 1 200 g |
| last modified: | 03/28/2019 |
