
575 I/O Module Specification & Pinouts
E-11
SIMATIC 545/555/575 System Manual
Figure E-3 shows a sample of field wiring for the discrete relay output
module.
Module Field
AC
A1
A2
A3
A4
AR
Terminal Block
Figure E-3 Field Wiring for Relay Output Module
Figure E-4 illustrates the effect that temperature has on current output
capabilities.
0.0
0.5
1.0
1.5
2.0
2.5
0 10203040506070
With fan cooling Without fan cooling
Current (A)
Current (A)
0.0
0.5
1.0
1.5
2.0
2.5
0 10203040506070
8 on
16 on
Temperature (°C) Temperature (°C)
8 on
16 on
Figure E-4 Relay Output Module: Current/Point vs. Ambient Temp
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