ABB AC500 PLC Hardware Manual page 777

Parameter
Demagnetization when inductive loads are
switched off
Switching frequency:
Short-circuit-proof / overload-proof
Overload message (I > 0.7 A)
Output current limitation
Resistance to feedback against 24 V signals Yes
Max. cable length:
The following drawing shows the circuitry of a digital input/output with the varistors for demag-
netization if inductive loads are switched off.
Fig. 143: Digital input/output (circuit diagram)
Technical Data of the Fast Counter
Parameter
Used inputs
Used outputs
Counting frequency
Detailed description / Operating modes
1.7.2.1.13 Ordering Data
Part No.
1SAP 221 100
R0001
1SAP 421 100
R0001
2019/04/17
With resistive loads
With inductive loads
With lamp loads
Shielded
Unshielded
Description
CI590-CS31-HA, CS31 redundant bus
module, 16 DC
CI590-CS31-HA-XC, CS31 redundant
bus module, 16 DC, XC version
3ADR010121, 13, en_US
Communication Interface Modules (S500) > CS31
Value
With varistors integrated in the module (see
figure below)
On request
Max. 0.5 Hz
Max. 11 Hz with max. 5 W
Yes
Yes, after approx. 100 ms
Yes, automatic reactivation after short circuit/
overload
1000 m
600 m
Value
C8 / C9
C10
Max. 50 kHz
For further information refer to
fast counters in chapter system technology.
Product Life Cycle Phase *)
Active
Active
Device Specifications
777