Table of Contents
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REVEX
PA from 35A to 90A
13
"Enable" Function in static Unit
The "Enable" function can work in several ways
•
from Digital input
•
from Serial Port
•
from Digital Input + Serial Port
•
from FieldBus
•
from Digital Input + FieldBus
To simplify in the various diagrams, the "enable" command from serial port will be represented by a "Software
contact" abbreviated as Sw
13.1 Using Digital Input only
By setting the Digital Input as "Enable" it is possible to control the enable from Digital Input.
By closing the digital input via Sw
will be disabled.
The status can be read on bit 2 of parameter 14 on the serial port.
If bit 2 = 1: Enabled
If bit 2 = 0: Disabled
External
Contact
Sw
H
Sw
= Switch hardware
H
, and the command from digital input is abbreviated as Sw
S
contact, the unit will be enabled and by opening the digital input the unit
H
DI
DI Con gurated like "Enable" function
Instrument Enable
54
User's manual
.
H
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