
575 I/O Module Specification & Pinouts
E-15
SIMATIC 545/555/575 System Manual
E.6 Discrete DC Input Module
The discrete low-voltage DC input module (PPX:575–4332) allows the
controller to monitor user inputs of various DC voltages. An LED indicator
on the module faceplate signals a blown fuse in the module.
Table E-13 shows the module specifications.
Table E-13 Discrete DC Input Module Specifications
Feature Description
Optical isolation 1500 Vrms
Isolation between commons 1000 Vrms
Chassis-to-user circuits 1000 Vrms
Inputs 32
Commons 4
Input type IEC type 1
On voltage
14.0 VDC UH minimum
36.0 VDC UH maximum
Off voltage
0.0 VDC UL minimum
5.0 VDC UL maximum
On input current limits
2.0 mA IH minimum
15.0 mA IH maximum
Off input current 0.5 mA maximum
Delay time through module
1 ms minimum
5 ms maximum
+5 V current consumption 0.4 A maximum
V
batt
current consumption
(+5 V STDBY)
None
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