Modbus - ABB AC500 V3 Hardware Manual

Fig. 135: Digital input/output (circuit diagram)
1 Digital input/output
2 For demagnetization when inductive loads are turned off
1.7.3.2.12 Ordering data
Part no.
1SAP 221 000 R0001 CI512-ETHCAT, EtherCAT communi-

1.7.4 Modbus

1.7.4.1 CI521-MODTCP
● 4 analog inputs (resolution 12 bits plus sign)
● 2 analog outputs (resolution 12 bits plus sign)
● 8 digital inputs 24 V DC
● 8 digital outputs 24 V DC, 0.5 A max.
● Module-wise galvanically isolated
● Fast counter
● XC version for usage in extreme ambient conditions available
2022/01/31
Description
cation interface module, 8 DI, 8 DO
and 8 DC
*) Modules in lifecycle Classic are available from stock but not recommended
for planning and commissioning of new installations.
3ADR010278, 3, en_US
Communication interface modules (S500) > Modbus
UPx (+24 V)
1
ZPx (0 V)
2
Product life cycle phase *)
Active
Device specifications
729