GEM80-400 Product Overview
Issue 3 04/99 ALSPA GEM80-400 SERIES CONTROLLERS TECHNICAL MANUAL Page xxiii
3. Additional User Programming Facilities
3.1. Ladder Diagram Enhancements.
The GEM
80-400 Series Controllers provide several additional GEM
80 Ladder
Diagram Instructions and Special Functions that are all aimed at reducing the
overall complexity and instruction count of a given user application program.
Symbo
l
Instruction Comment
Coil_1
--(S)--
G0.1
Set Coil
Rung input <> 0 then Bit =1
Rung input = 0 then Bit
unchanged
Can be used wherever a coil
----( )--| can be used.
Coil_1
--(R)--
|
G0.1
Reset Coil
Rung input <> 0 then Bit = 0
Rung input = 0 then Bit
unchanged
Can be used wherever a coil
----( )--| can be used.
LABEL
|
10
Label
Identifies position 10 in the
ladder user program.
Can be jumped to with a JUMP
instruction
--
JUMP-
|
10
Jump
Start executing next rung after
LABEL 10.
Only jumps to rungs later in the
program are permitted.
SE01/1
--[SQ]
W100
Sequence Element.
See Chapter 2
Special Functio
Number
Mnemonic Description
S125
TON Timer with on delay
S126
TOFF Timer with Off delay
S127
TP Timer with Pulse output
S128
TOGGLE Toggle Flip Flop
S129
ONESHOT One-Shot: on for one scan
T111
SEQGRP Sequence Group Control
T112
SR Set Reset Flip Flop
T113
RS Reset Set Flip Flop
3.2. Rack Id
To Next Page
Loading...