Technical Data of the Digital Inputs¶
Number of channels per module | 8 AC inputs (100-240 V AC) | |
Distribution of the channels into groups | 8 (1 channel per group) | |
Input voltage range | 0..264 V AC (47 … 63 Hz) | |
Input current per channel (typically at 25 °C) | <5 mA (at 40 V AC) >6 mA (at 159 V AC, 50 Hz) >7 mA (at 159 V AC, 60 Hz) |
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Connections of the channels I0 to I7 | Terminals 1, 3, 5, 7, 10, 12, 14, 16 | |
Reference potential for the channels I0 to I7 | Terminals 2, 4, 6, 8, 11, 13, 15, 17 | |
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.) | 20 V AC | |
Undefined signal | 20 V AC < U < 79 V AC | |
Signal 1 (min.) | 79 V AC | |
Input delay | ||
signal 0 -> 1 | Typ. 15 ms | |
signal 1 -> 0 | Typ. 30 ms | |
Max. permissible leakage current (at 2-wire proximity switches) | 1 mA | |
Max. cable length | ||
Shielded | 500 m | |
Unshielded | 300 m |