| *** SPARE PART*** SIMATIC S7-300, FM 351 POSITIONING MODULE FOR RAPID/ CREEP FEED DRIVE INCL. CONFIG. PACKAGE ON CD |
| Supply voltage |
| Rated value (DC) | |
| 24 V DC | Yes |
| Input current |
| Current consumption, max. | 350 mA |
| Encoder supply |
| 5 V encoder supply |
| 5 V | Yes |
| Output current, max. | 350 mA |
| Cable length, max. | 32 m |
| 24 V encoder supply |
| 24 V | Yes |
| Output current, max. | 400 mA; Per channel |
| Cable length, max. | 100 m |
| Digital inputs |
| Number of digital inputs | 8 |
| Functions | Reference cams, reversing cams, flying actual value setting, start/stop positioning |
| 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 |
| Digital outputs |
| Number of digital outputs | 8 |
| Functions | Rapid traverse, creep, run right, run left |
| Short-circuit protection | Yes |
| Output voltage |
| Rated value (DC) | 24 V |
| for signal "1", min. | UP - 0.8 V |
| Output current |
| for signal "1" permissible range for 0 to 60 °C, min. | 5 mA; with UPmax |
| for signal "1" permissible range for 0 to 60 °C, max. | 600 mA; with UPmax |
| for signal "0" residual current, max. | 0.5 mA |
| Encoder |
| Connectable encoders |
| Incremental encoder (symmetrical) | Yes |
| Incremental encoder (asymmetrical) | Yes |
| Absolute encoder (SSI) | Yes |
| 2-wire sensor | Yes |
| — permissible quiescent current (2-wire sensor), max. | 2 mA; on signal "0", max. 2 mA; on signal "1", max. 6 mA |
| 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. | 0.5 MHz |
| Encoder signals, incremental encoder (asymmetrical) |
| Trace mark signals | A, B |
| Zero mark signal | N |
| Input voltage | 24 V |
| Input frequency, max. | 50 kHz; 50 kHz for 25 m cable length; 25 kHz for 100 m cable length |
| 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 or 25 bit |
| Clock frequency, max. | 1 MHz |
| Gray code | 1 |
| Cable length, shielded, max. | 300 m; at max. 125 kHz |
| 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 |
| Ambient conditions |
| Ambient temperature during operation |
| min. | 0 °C |
| max. | 60 °C |
| Ambient temperature during storage/transportation |
| min. | -40 °C |
| max. | 70 °C |
| Connection method |
| required front connector | 1x 20-pin |
| Dimensions |
| Width | 80 mm |
| Height | 125 mm |
| Depth | 120 mm |
| Weights |
| Weight, approx. | 550 g |
| last modified: | 03/13/2019 |
