Technical Data of the Digital Inputs¶
| Parameter | Value | |
|---|---|---|
| Number of channels per module | 16 AC inputs (100-240 V AC) | |
| Distribution of the channels into groups | 2 (8 channels per group) | |
| Input voltage range | 0 ..264 V AC (47…63 Hz) | |
| Input current per channel (typically at 25 °C) | < 3 mA (at 40 V AC) > 6 mA (at 164 V AC) > 8 mA (at 240 V AC) |
|
| Connections of the channels I0..I7 | Terminals 1…8 | |
| Connections of the channels I8..I15 | Terminals 10…17 | |
| Reference potential for the channels I0..I7 | Terminal 9 | |
| Reference potential for the channels I8..I15 | Terminal 18 | |
| 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 to EN 61131-2 | Type 1 | |
| Input signal range | ||
| Signal 0 (max.) | 40 V AC | |
| Undefined signal | 40 V AC < U < 79 V AC | |
| Signal 1 (min.) | 79 V AC | |
| Input delay | ||
| signal 0 -> 1 | Typ. 24 ms | |
| signal 1 -> 0 | Typ. 24 ms | |
| Input data length | 2 bytes | |
| Max. permissible leakage current (at 2-wire proximity switches) | 1 mA | |
| Max. cable length | ||
| Shielded | 1000 m | |
| Unshielded | 600 m | |