Parameter
Value
Reference potential for all outputs
Terminals 1.9...4.9 (negative pole of the
supply voltage, signal name ZP)
Common power supply voltage
For all outputs terminals 1.8, 2.8, 3.8 and 4.8
(positive pole of the supply voltage, signal
name UP)
Output voltage for signal 1
UP (-0.8 V)
Output delay (0->1 or 1->0)
On request
Output current
rated value per channel
500 mA at UP = 24 V
max. value (all channels together)
4 A
Leakage current with signal 0
< 0.5 mA
Fuse for UP
10 A fast
Demagnetization with inductive DC load
Via internal varistors (see figure below this
table)
Output switching frequency
With resistive load
On request
With inductive loads
Max. 0.5 Hz
With lamp loads
11 Hz max. at 5 W max.
Short-circuit-proof / overload-proof
Yes
Overload message (I > 0.7 A)
Yes, after ca. 100 ms
Output current limitation
Yes, automatic reactivation after short cir-
cuit/overload
Resistance to feedback against 24 V signals
Yes (software-controlled supervision)
Max. cable length
Shielded
1000 m
Unshielded
600 m
The following drawing shows the circuitry of a digital input/output with the varistors for demag-
netization when inductive loads are switched off.
2
1
UPx (+24 V)
ZPx (0 V)
Fig. 85: Digital input/output (circuit diagram)
1
Digital input/output
2
For demagnetization when inductive loads are turned off
Device specifications
I/O modules > Digital/Analog I/O modules
2022/01/31
3ADR010278, 3, en_US
579
