ABB AC31 - Page 156

CAUTION!
System damage caused by short-circuit!
*) A short-circuit can result in up to 2 W additional power dissipation in the
device. If this power dissipation cannot be discharged, the replacement device
can be damaged.
Table 101: Digital Inputs
Data Value
Number of channels 4
Connections X2 / 3, X2 / 4, X2 / 5, X2 / 6
Reference connection (GND) X4 / Vs-
Connections switch supply X2 / 1, X2 / 2, X2 / 7, X2 / 8
Current switch supply (all connec-
tions combined)
Replacement device: max. 32 mA
Existing device DI501: max. 30 mA
Input type according to EN 61131-2 Type 1
Electrical isolation Not available
Indication of the input signals Replacement device: Not available
Existing device DI501: green LED per channel
Input delay (0->1 or 1->0) Typ. 3 ms
Scanning cycle 500 µs
Input signal voltage:
- 24 V DC
-> 0 signal Replacement device: -3 V … +5 V
Existing device DI501: -30 V … +5 V
-> Undefined signal Replacement device: > +5 V … < +15 V
Existing device DI501: > +5 V … < +13 V
-> 1 signal Replacement device: +15 V … +30 V
Existing device DI501: +13 V … +30 V
-> Residual ripple at 0 signal Within -3 V … +5 V
-> Residual ripple at 1 signal Within +15 V … +30 V
Input current per channel:
-> Input voltage +24 V Typ. 5.5 mA
-> Input voltage +5 V ³ 0.5 mA
-> Input voltage +15 V ³ 2 mA
-> Input voltage +30 V £ 8 mA
Maximum cable length:
-> Shielded 1000 m
-> Unshielded 600 m
Overvoltage protection Available
Overload range ±30 V DC
AC31 Adapters
Replacement devices: I/O modules > Replacement unit DC501-CS31-AD
2018/09/243ADR010122, 8, en_US156