| | SIMATIC S7-400, DIGITAL OUTPUT MODULE, SM 422, ISOLATED, 16 DO, 20 - 125V DC, 1.5A WITH DIAGNOSTICS 8 POINT PER COMMON |
| |
| Supply voltage |
| Load voltage L+ |
| Rated values | 20 to 125 V DC |
| permissible range, lower limit (DC) | 20 V |
| permissible range, upper limit (DC) | 138 V |
| Load voltage L1 |
| Rated value (AC) | 20 V; 20 to 138 V DC |
| Input current |
| from load voltage L+ (without load), max. | 2 mA |
| from backplane bus 5 V DC, max. | 700 mA |
| Power losses |
| Power loss, max. | 10 W |
| Digital outputs |
| Number/binary outputs | 16 |
| Limitation of inductive shutdown voltage to | -30 V |
| Lamp load, max. | 8 W |
| Output voltage |
| for signal "1", min. | L+ (-1 V) |
| Output current |
| for signal "1" rated value | 1.5 A |
| for signal "1" permissible range for 0 to 60 °C, min. | 5 mA |
| for signal "1" permissible range for 0 to 60 °C, max. | 1.5 A |
| for signal "0" residual current, max. | 0.5 mA |
| Switching frequency |
| with resistive load, max. | 10 Hz |
| with inductive load, max. | 0.1 Hz |
| Aggregate current of outputs (per group) |
| all mounting positions |
| up to 60 °C, max. | 8 A; 14 A with fan assembly |
| Cable length |
| Cable length, shielded, max. | 1000 m |
| Cable length unshielded, max. | 600 m |
| Interrupts/diagnostics/status information |
| Alarms |
| Diagnostic alarm | Yes; Parameterizable |
| Diagnostic messages |
| Diagnostics | Yes; internal/ external fault |
| Galvanic isolation |
| Galvanic isolation digital outputs |
| between the channels, in groups of | 8 |
| between the channels and the backplane bus | Yes |
| Isolation |
| Isolation checked with | 1500 V AC |
| Dimensions |
| Width | 25 mm |
| Height | 290 mm |
| Depth | 210 mm |
| Weight |
| Weight, approx. | 800 g |
| Status | Mar 12, 2012 |
