IDEC SmartRelay functions
IDEC SmartRelay Manual
103
4.2.6
NOR (NOT OR)
The output status of the NOR is only 1 if
all
inputs are 0, i.e.
if switched off. The NOR output is set to 0 when one of the
inputs is switched on (logical 1 status).
At an unused block input (x): x = 0.
Table of the NOR logic
1
2
3
4
Q
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
1
0
1
0
0
1
1
0
0
0
1
1
1
0
1
0
0
0
0
1
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
0
0
1
1
1
1
0
Symbol in IDEC SmartRelay:
Circuit diagram of a series circuit
with several break contacts:
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com
