Description
ET 200SP HA backplane bus interface
Backplane bus
Reverse polarity protection
DC
DC
L+
M
DIAG MT
PWR
24 V DC
Status
:
:
:
Channel 0...7
Diagnostics
Error channel 0
:
:
LED control
Error channel 7
Voltage
monitoring
Status
DI
0
DI
7
3.3 V
A resistor must be connected to the encoder contacts in order to perform wire-break detection.
The resistor used is dependent on the nominal input voltage of the module.
Nominal input voltage Resistor Rs
24 V DC 43 kΩ
48 V DC 100 kΩ
125 V DC 300 kΩ
Terminal
5.3 Schematic circuit diagram
DI 8x24...125VDC HA
18 Equipment Manual, 10/2021, A5E39288633-AD
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