Azbil SVX100, User Manual

Page: 38 / 84

28
4-1. Starting Communication
Before starting communication
Confirm the following points before starting communication.
„
Electrical wiring of the device is completed (see the “Wiring method” below).
„
There is an input signal from the controller (constant-current supply).
Note) If there is no 4 to 20 mA DC signal from the controller, connect a constant-current supply
(3.85 to 21.5 mA DC) to the input signal terminal. When doing so, be sure to remove the
wires coming from the controller off of the terminals.
4-1-1. Wiring method
Introduction
The wiring method for communicating with this device will now be described.
„
With HART® communication
AUT
O
MAN.
DOWN
UP
TRAVEL SW
4-20 mA DC
Controller
HART communicator
Fig. 4-1. Wiring of HART® Communication Tool (Model SVX102)
„
With SFN communication
AU
TO
M
AN.
DOWN
UP
TRAVEL SW
4-20 mA DC
Controller
Check pin
Field Communication Software
(Model CFS100)
Fig. 4-2. Wiring with Field Communication Software (Model SVX100/102)