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34.1.2 Operation type
Observe device is divided into bit configuration and word configuration when it satisfies trigger
condition.
A. Bit operation
The following figure is an operation configuring Y0 device as ON trigger device as M100, M101 and
two bit devices are ON.
There is a lamp displaying Y0 status in GP screen. M100, M101 are in OFF status, it does not satisfy
trigger condition in the first figure. GP Y0 into ON status satisfying trigger condition of observe status
when M100, M101 are changed as ON.
It is able to designate four types of operation in bit operation as following.
(1) Set : It makes device as ON status when trigger is occurred.
(2) Reset : It makes device as OFF status when trigger is occurred.
(3) Alternation : It alternates device status when trigger is occurred.
(4) It preserves device as ON status during occurring momentary trigger.
The figure displays trigger device status, set, reset, alternation and momentary operation with
sampling. Trigger1, trigger2 display status of designated two device and it satisfies trigger condition
when they are ON.
Lamp : Y0
Lamp : Y0
Trigger 1
Trigger 2
Set
Reset
Alternation
Momentary
Sampling
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