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IDEC SmartRelay functions
IDEC SmartRelay Manual
118
4.2.5
OR
Symbol in IDEC SmartRelay:
Circuit diagram of a parallel circuit
with several normally open contacts:
The output status of the OR element is only 1 if
at least one
input is 1, i.e. at least one of the contacts is closed.
At an unused block input (x): x = 0.
Table of the OR logic
1
2
3
4
Q
0
0
0
0
0
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
1
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com