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3-7-4
Control Line
There are two types of interface for connection with external remote control, parallel
(relay contact) type and serial communication type. Both types make interface with
external control equipment through an interface board. The interface board is shown
in Fig. 3-12. The interface board is mounted on the rear side of the transmitter.
J4
Serial Communication on Interface
(RS-485) for daisy chain
Fig. 3-12 Outside View of Interface Board
J1
Parallel interface
(Command)
3 - 20
J3
Serial Communication on
Interface (RS-232C/485)
J2
Parallel interface
(Status)
GWP-G22906
J5
System Control
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