
575 I/O Module Specification & Pinouts
E-4
SIMATIC 545/555/575 System Manual
E.2 16 Input/16 Output 24 VDC Module
The discrete DC 16 input/16 output module (PPX:575–4366) lets you drive
24 VDC sinking loads and monitor 24 VDC source inputs. Table E-3 shows
the module isolation specifications.
Table E-3 24 VDC I/O Module Isolation
Feature Description
Optical isolation 1500 Vrms
Isolation between commons 1000 Vrms
Chassis-to-user circuits 1000 Vrms
Figure E-1 illustrates the effect that temperature has on current output
capabilities.
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With fan cooling Without fan cooling
Current (A)
Current (A)
8 on
16 on
16 on
Temperature (
°C)Temperature (°C)
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Figure E-1 Low-Current DC Output: Current/Point vs. Ambient Temp
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