schmersal PSC1 Series Installation Manual page 143

Installation manual
Typ Switch symbol Truth table
e
8 NO
eSwitch_2s2oT
9
eSwitch_3o
PSC1-C-10 Installation manual V2.7
Version: 57E
N NO NC2 A Time monitoring
1 C 2
1
1 0 1 0 0
0 1 1 0 0
0 1 0 1 1
1 0 0 1 0
NC1 NC2 NC A
3
0 0 0 0
1 0 0 0
0 1 0 0
1 1 0 0
1 1 1 1
Function
Like 7, however with time
monitoring of state changes.
On signal change on NO (attention
common wire!) or NC,
complementary signal must follow
within time t=3 s. If not change to
fault and O=0
AND operator on the three inputs
Page 143 of 174