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4-2 Micro PLC Programmer’s Guide – April 1994
GFK-0804B
Instruction Set Summary
Operation Ladder Symbol Description
Contact
/
"
#
SET
RST
MCR
SKIP
END
Normally-open contact
Normally-closed contact
Positive transition
Negative transition
Output coil
Set coil
Reset coil
Master Control Relay
Skip/jump operation
Ending operation for a skip or jump
ONTMR
R###
XXXX
OFTMR
R###
XXXX
UPCTR
R###
XXXX
DNCTR
R###
XXXX
[???+???! ???]
[???–???! ???]
[???x???! ???]
[???B ???! ???]
On Timer
Variable Register R### (R1 – R500)
Timer Setting XXXX (Timebase 0.1S)
Off Timer
Variable Register R### (R1 – R500)
Timer Setting XXXX (Timebase 0.1S)
Up Count
Variable Register R### (R1 – R500)
Timer Setting XXXX
Down Counter
Variable Register R### (R1 – R500)
Timer Setting XXXX
Addition
Subtraction
Multiplication
Division
Output
Timer
Counter
Math
Functions