SICK Flexi Compact User Manual

4.5 Electrical integration
4.5.1 Internal circuitry
Figure 15: Internal circuitry main module
4.5.2 Fault detection using test outputs
Important information
WARNING
U
nexpected pulses or delayed falling signal edges due to a short circuit
Machine can start up unexpectedly or the dangerous state of the machine may not be
stopped or not stopped in a timely manner.
b
Protect single-channel inputs against short-circuits and cross-circuits.
b
Make sure the signal line is laid with protection (to prevent a cross-circuit with
other signal lines).
b
Take additional safety measures.
Prerequisites
•
Use t
he test outputs of the module to which the device is connected.
•
Use a permissible combination of safety capable inputs (I) and test outputs (X).
I.e. pairings with only an even-numbered or odd-numbered index, e.g. I1 and X1, I9
and X3, I20 and X4 …
PROJECT PLANNING 4
8024589/2020-11-10 | SICK O P E R A T I N G I N S T R U C T I O N S | Flexi Compact
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Subject to change without notice

SICK Flexi Compact Specifications

General

Brand	SICK
Model	Flexi Compact
Category	Controller
Language	English