IDEC SmartRelay functions
IDEC SmartRelay Manual 116
4.2.3 NAND (not AND)
Symbol in IDEC SmartRelay:
Parallel circuit with multiple normally
closed contacts in the circuit diagram:
The output of the NAND is only 0 if the status at all inputs is
1, i.e. the contacts are closed.
At an unused block input (x): x = 1.
Table of the NAND logic
1234Q
00001
00011
00101
00111
01001
01011
01101
01111
10001
10011
10101
10111
11001
11011
11101
11110
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com
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