Phoenix Contact PSRmodular - Figure 5-46: TESTABLE SAFETY DEVICE Function Block (Safety Switch)

PSRmodular system
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PHOENIX CONTACT 109241_en_03
5.1.2.16 TESTABLE SAFETY DEVICE function block (safety switch)
The “TESTABLE SAFETY DEVICE” function block checks the status of the “I
N” inputs of a
single or double safety switch, both NO and NC. Refer to the tables below to see the type
of safety switch involved and its mode of behavior.
Figure 5-46 “TESTABLE SAFETY DEVICE” function block (safety switch)
Parameters
Input types
Single NC
Single NO
IN 1 OUT
0 0
1 1
IN 1 OUT
0 0
1 1