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PSS(1) DI
Overview
The DI module provides 32 digital inputs. Input signals must show a
"High" of 24 V DC (+15 ... +30 V DC) and a "Low" of 0 V DC (-3 ... +5 V
DC) Inputs have a noise suppression circuit and are galvanically isolated
through an optocoupler.
The code for the DI Module in Data Block DB002 is 8001 8001.
The module PSS DI is designed for use on the Series PSS 3000 Module
Rack.
The module PSS1 DI is designed for use on the Series PSS 3100 Module
Rack.
Functions
Input status is transmitted to the PLC as "0"-Signals ("Low") or "1"-Signals
("High") via the three-channel parallel Bus. The status of the inputs is
displayed through LEDs, which light as soon as a "1"-Signal is present at
the relevant input.
Diagnostic circuitry checks the function of the inputs, with the exception of
the input filter and the optocoupler. The input filter and the optocoupler
can be tested with the use of the test signal. If an error occurs, the
controller goes into a STOP-condition, switches off the outputs and sends
a message to the CPU display.
Commissioning
CAUTION!
Electrostatic discharge can damage the components on the module.
Ensure against discharge before touching the module, e.g. by touching an
earthed, conductive surface or by wearing an earthed armband.
• The module should be installed in the module rack as described in the
"Series PSS 3000/PSS 3100 Installation Guidelines".
• Connect the inputs.
2
All manuals and user guides at all-guides.com
Operating Manual
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