Using Serial Port Rs485 Only; Using Digital Input + Serial Port Rs485 - CD Automation REVEX PA User Manual

REVEX
PA from 35A to 90A

13.2 Using Serial Port RS485 only

The static unit has an RS485 Modbus RTU serial port always present.
By setting the Digital Input as "Not Used" or different from "Enable" it is possible to control the enable from
serial port with bit 2 of parameter 14
If bit 2 = 1: Enabled
If bit 2 = 0: Disabled
Sw = Switch software
S

13.3 Using Digital Input + Serial Port RS485

The static unit has the serial port as standard RS485 Modbus RTU always present.
The external contact Sw
to enable the static unit, both contacts must be enabled.
Each variation of the Sw
allowing correct operation.
Using the serial port it is possible to change the status of the Sw
mind that it will be overwritten when the digital input is subsequently changed.
This configuration is useful for having an external contact for a safety or emergency alternative to the serial
command.
Sw
H
Sw = Switch hardware
H
Software switch
from communication
DI
DI Function Con gurated like "Not Used" or di erent from "Enable"
and the internal software contact Sw
H
contact connected on the digital Input (DI) is shown on the internal Sw
H
Software switch
from communication
External
DI
Contact
DI Con gurated like "Enable" function
Sw
s
Instrument Enable
are connected in series, therefore if you want
S
contact with bit 2 of parameter 14, bearing in
S
Sw
S
Instrument Enable
Sw = Switch software
S
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User's manual
contact,
S