| | SIMATIC S7-300, SIGNAL. MODULE FOR 3 SSI SENSORS FOR READ-IN OF POSITIONING VALUE WITH 2 FREEZE INPUTS, 20 PIN |
| |
| Supply voltage |
| Load voltage L+ |
| Rated value (DC) | 24 V |
| permissible range, lower limit (DC) | 20.4 V |
| permissible range, upper limit (DC) | 28.2 V |
| Input current |
| from load voltage L+ (without load), max. | 10 mA |
| from backplane bus 5 V DC, max. | 160 mA |
| Encoder supply |
| 24 V encoder supply |
| 24 V | Yes; L+ (-0.8 V) |
| Output current, max. | 900 mA |
| Power losses |
| Power loss, typ. | 3 W |
| Digital inputs |
| Number/binary inputs | 2 |
| Functions | Freeze |
| Input voltage |
| for signal "0" | -3 to +5 V |
| for signal "1" | 11 to 30.2 V |
| Input current |
| for signal "0", max. (permissible quiescent current) | 2 mA |
| for signal "1", typ. | 9 mA |
| Input delay (for rated value of input voltage) |
| for standard inputs |
| at "0" to "1", min. | 300 µs |
| Cable length |
| Cable length, shielded, max. | 600 m |
| Encoder |
| Number of connectable encoders, max. | 3 |
| Connectable encoders |
| Absolute encoder (SSI) | Yes |
| 2-wire sensor | Yes |
| Encoder signals, absolute encoder (SSI) |
| Clock frequency, max. | 1 MHz |
| Cable length, shielded, max. | 320 m; 320 m at 125 kHz; 160 m at 250 kHz; 60 m at 500 kHz; 20 m at 1 MHz |
| Interrupts/diagnostics/status information |
| Alarms |
| Diagnostic alarm | Yes; Parameterizable |
| Galvanic isolation |
| Galvanic isolation | No |
| Connection method |
| required front connector | 20-pin |
| Dimensions |
| Width | 40 mm |
| Height | 125 mm |
| Depth | 120 mm |
| Weight |
| Weight, approx. | 235 g |
| Status | Mar 12, 2012 |
