60 D50 PLC User's Manual
Instruction
Mnemonic Series Connection Range
■ Bit
Byte
AND
ANN
(ADN)
Series connection
Word
Ladder
AND: NO (normally open) contact series connection.
ANN: NC (normally closed) contact series connection.
Description
1. AND and ADN (AND NOT) indicate a series connection of each contact.
2. The number of ANDs and ADNs used within one branch (rung) is unlimited.
3. M010.15 is On only when contact R000.3 is On and contact R000.4 is Off. M010.15 is Off
for all other cases.
Example
Program Expression Time Chart
Contact M000.0 is On only when R000.1 is On and R000.2 is Off. M000.0 is Off for all other cases.
R000.3 R000.4 M010.15
(OUT)
R000.1 R000.2 M000.0
(OUT)
M000.0 M000.1
(OUT)
R000.1
R000.2
M000.0
M000.1
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