Siemens SENTRON PAC3100 - Digital Inputs; Figure 3-5 Block Diagram: Digital Inputs; Figure 3-6 Digital Inputs with Switch and Internal Power Supply on Terminal DIC

Description
3.5 Digital inputs and outputs
SENTRON PAC3100
24 Manual, 07/2009, A5E02385159B-01
3.5.1 Digital inputs
Function
Both digital inputs have the following function:
● Status monitoring: Capturing statuses of connected signal encoders
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(1) Internal power supply
(2) Optional additional voltage power supply, max. 30 V, typically 24 V
(3) Input electronics
Figure 3-5 Block diagram: Digital inputs
Wiring
Both digital inputs have an internal power supply. They can be operated optionally with or
without an external power supply.
Switch with internal power supply
Internal power supply on terminal DIC.
DIC DI 0DI1 DO C
DO0
DO1
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(1) Functional ground terminal
Figure 3-6 Digital inputs with switch and internal power supply on terminal DIC