9
DEVICE EXPLANATION
9
- 14
9.2 Internal User Devices
9.2.5 Edge relay (V)
9.2.5 Edge relay (V)
(1) Definition
An edge relay is a device which stores the operation results (ON/OFF information)
from the beginning of the ladder block.
Edge relays can only be used at contacts, and cannot be used as coils.
(2) Precautions
The edge relay of the same No. cannot be set in multiple steps of a program.
Diagram 9.14 Edge relay
X100 X102 X104
V1
Edge relay
Stores the X100, X102 and
X104 operation results
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