Parameter
Value
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. 149: Digital input/output (circuit diagram)
1
Digital Output
2
Varistors for demagnetization when inductive loads are turned off
Technical data of the analog inputs
Parameter
Value
Number of channels per module
4
Distribution of channels into groups
1 group with 4 channels
Connection if channels AI0+ to AI3+
Terminals 1.0 to1.3
Reference potential for AI0+ to AI3+
Terminal 1.4 (AI-) for voltage and RTD meas-
urement
Terminal 1.9, 2.9 and 3.9 for current measure-
ment
Input type
Unipolar
Voltage 0 ... 10 V, current or Pt100/Pt1000/
Ni1000
Bipolar
Voltage -10 ... +10 V
Galvanic isolation
Against Ethernet network
Configurability
0...10 V, -10...+10 V, 0/4...20 mA, Pt100/1000,
Ni1000 (each input can be configured individu-
ally)
Channel input resistance
Voltage: > 100 k
W
Current: ca. 330
W
Time constant of the input filter
Voltage: 100
µ
s
Current: 100
µ
s
Indication of the input signals
1 LED per channel (brightness depends on the
value of the analog signal)
Conversion cycle
1 ms (for 4 2 outputs); with RTDs Pt/
Ni... 1 s
Device specifications
Communication interface modules (S500) > Modbus
2022/01/31
3ADR010278, 3, en_US
766