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Installation manual
PSC1-C-10 Installation manual V2.6
Page 139 of 173
Version: 57E
11
Switch types
Typ
e
Switch symbol
Truth table
Function block
Function
1
eSwitch_1o
NC
A
0
0
1
1
Truth table behaves like an
normally open contact, only the
symbol is a normally closed
contact
Öffner
Ausgang
2
sSwitch_1s
S
A
0
0
1
1
Normally open contact, like type 1
Schließer
Ausgang
3
eSwitch_2o
NC1
NC2
A
0
0
0
1
0
0
0
1
0
1
1
1
AND operation both inputs
Öffner 2
Ausgang
Öffner 1
4
t
eSwitch_2oT
NC1
NC2
A
0
0
0
1
0
0
0
1
0
1
1
1
Time monitoring
Like 3, however with time
monitoring of state changes.
On signal change on one of the NC,
complementary signal must follow
within time t=3 s. If not change to
fault and O=0
Öffner 2
Ausgang
Öffner 1
max. 3 s
max. 3 s