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Chapter
1
Operating instructions
Flexi Classic
10
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
8011509/YPP0/2015-10-26
Subject to change without notice
About this document
Symbol
Input assignment
Single-channel N/C contact
Single-channel N/C contact, cross-circuit detecting
Single-channel N/C contact at two inputs
Dual-channel N/C contact, equivalent, cross-circuit detecting, with
monitoring of synchronisation (1500 ms)
Dual-channel N/C contact, equivalent, cross-circuit detecting
Dual-channel N/C contact, equivalent
Dual-channel N/C / N/O contact, complementary, cross-circuit detecting
Dual-channel N/C / N/O contact, complementary, cross-circuit detecting,
with monitoring of synchronisation (1500 ms), (e.g. magnetically coded
switch RE300)
Dual-channel semiconductor input, monitored (ESPE)
Single-channel N/C contact/semiconductor input (e.g. sensors that can be
tested)
Switching mats, pressure-sensitive (4-wire system)
Symbol
Logic
OR link
AND link
Tab. 3: Input assignment
symbols
Tab. 4: Logic symbols