| Number of channels per module |
8 |
| Distribution of the channels into groups |
4 groups of 2 channels each |
| Terminals of the channels I0 to I7 |
See figure Electrical Connection DX531 - Digital Input/Output Module |
| Galvanic isolation |
2500 V AC from the rest of the module (I/O bus) |
| Indication of the input signals |
1 yellow LED per channel, the LEDs are only operating if the DX531 module is initialized |
| Input type acc. to EN 61131-2 |
Type 2 |
| Input delay (0->1 or 1->0) |
Typ. 20 ms |
| Input data length |
1 byte |
| Input signal voltage |
230 V AC or 120 V AC |
| Input signal range |
0…265 V AC |
| Input signal frequency |
47…63 Hz |
| Input characteristic |
According EN 61132-2 Type 2 |
| Signal 0 |
0…40 V AC |
| Undefined signal |
> 40 V AC…< 74 V AC |
| Signal 1 |
74…265 V AC |
| Input current per channel |
|
| |
Input voltage = 159 V AC |
> 7 mA |
| |
Input voltage = 40 V AC |
< 5 mA |
| Overvoltage protection |
Yes |
| Max. cable length |
|
| |
Shielded |
1000 m |
| |
Unshielded |
600 m |
