Technical Data of the Digital Inputs/Outputs if used as Inputs¶
| Parameter | Value | |
|---|---|---|
| Number of channels per module | 8 | |
| Distribution of the channels into groups | 1 group of 8 channels | |
| Terminals of the channels DC8 to DC15 | Terminals 4.0 to 4.7 | |
| Reference potential for all inputs | Terminals 1.9…4.9 (Minus pole of the supply voltage, signal name ZP) | |
| Indication of the input signals | 1 yellow LED per channel, the LED is ON when the input signal is high (signal 1) | |
| Input type (according EN 61131-2) | Type 1 | |
| Input delay (0->1 or 1->0) | Typ. 0.1 ms, configurable from 0.1…32 ms | |
| Input signal voltage | 24 VDC | |
| 0-Signal | -3 V…+5 V *) | |
| Undefined Signal | > +5 V…< +15 V | |
| 1-Signal | +15 V…+30 V | |
| Ripple with signal 0 | Within -3 V…+5 V *) | |
| Ripple with signal 1 | Within +15 V…+30 V | |
| Input current per channel | ||
| Input voltage +24 V | Typ. 5 mA | |
| Input voltage +5 V | > 1 mA | |
| Input voltage +15 V | > 2 mA | |
| Input voltage +30 V | < 8 mA | |
| Max. cable length | ||
| Shielded | 1000 m | |
| Unshielded | 600 m | |
*) Due to the direct connection to the output, the demagnetizing varistor is also effective at the input (see figure) above. This is why the difference between UPx and the input signal may not exceed the clamp voltage of the varistor. The varistor limits the voltage to approx. 36 V. Following this, the input voltage must range from -12 V to +30 V when UPx = 24 V and from -6 V to +30 V when UPx = 30 V.