| | SIMATIC S7-300, FM 451 POSITIONING MODULE FOR RAPID/ CREEP FEED DRIVE 3 CHANNELS INCL. CONFIG. PACKAGE ON CD |
| |
| Supply voltage |
| 24 V DC | Yes |
| Input current |
| Current consumption, max. | 550 mA |
| Encoder supply |
| 5 V encoder supply |
| 5 V | Yes |
| Output current, max. | 210 mA |
| Cable length, max. | 35 m; at max. 210 mA |
| 24 V encoder supply |
| 24 V | Yes |
| Output current, max. | 300 mA |
| Cable length, max. | 100 m; at max. 300 mA |
| Absolute encoder (SSI) encoder supply |
| Absolute encoder (SSI) | Yes |
| Output voltage | 24 V DC |
| Output current, max. | 300 mA |
| Cable length, max. | 300 m; At max. 156 kbit/s |
| Digital inputs |
| Number/binary inputs | 12; 4 per axis |
| Functions | Reference cams, reversing cams, flying actual value setting, start/stop positioning |
| Input voltage |
| Rated value, DC | 24 V |
| for signal "0" | -3 to +5 V |
| for signal "1" | 11 to 30 V |
| Input current |
| for signal "1", typ. | 6 mA |
| for 2-wire BERO |
| for signal "1", typ. | 30 mA |
| Digital outputs |
| Number/binary outputs | 12; 4 per axis |
| Functions | Rapid traverse, creep, run right, run left |
| Functionality/short-circuit strength | Yes |
| Output voltage |
| for signal "1", min. | UP -3 V |
| Output current |
| for signal "1" permissible range for 0 to 55 °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 |
| Encoder signals, incremental encoder (symmetrical) |
| Trace mark signals | A, notA, B, notB |
| Zero mark signal | N, notN |
| Input signal | 5 V difference signal (phys. RS 422) |
| Input frequency, max. | 1 MHz |
| Encoder signals, incremental encoder (asymmetrical) |
| Trace mark signals | A, B |
| Zero mark signal | N |
| Input voltage | 24 V |
| Input frequency, max. | 50 kHz; for 25 m cable length, 25 kHz for 100 m cable length |
| Cable length, shielded, max. | 100 m |
| Encoder signals, absolute encoder (SSI) |
| Input signal | 5 V difference signal (phys. RS 422) |
| Data signal | DATA, notDATA |
| Clock signal | CL, notCL |
| Telegram length | 13 or 25 bit serial |
| Clock frequency, max. | 1.25 MHz |
| Gray code | 1 |
| Cable length, shielded, max. | 300 m; At max. 156 kbit/s |
| Galvanic isolation |
| Galvanic isolation digital inputs |
| Galvanic isolation digital inputs | Yes |
| Galvanic isolation digital outputs |
| Galvanic isolation digital outputs | Yes |
| Ambient conditions |
| Operating temperature |
| Min. | 0 °C |
| max. | 55 °C |
| Storage/transport temperature |
| Min. | -40 °C |
| max. | 70 °C |
| Relative humidity |
| Humidity class F | Yes |
| Degree and class of protection |
| IP20 | Yes |
| Connection method |
| required front connector | 1x 48-pin |
| Dimensions |
| Width | 50 mm |
| Height | 290 mm |
| Depth | 210 mm |
| Weight |
| Weight, approx. | 1300 g |
| Status | Feb 6, 2012 |
