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6/08 ST 3000 Release 300 and SFC Model STS103 User’s Manual 51
5.2 Establishing Communications, Continued
Starting
communications
Once you connect the SFC to the transmitter or loop wiring, you are
ready to start communicating with the transmitter. The procedure in
Table 17 outlines the steps for communications with an ST 3000
transmitter without an assigned tag number.
Table 17 Starting Communications with Transmitter.
Step Press Key Read Display or Action Description
1
Slide power switch on left side of SFC to
ON position.
SFC runs its self check and displays
initial prompt.
2
PUT IN MANLOOP
OR
DE X TMR RE S ISDP–
If this prompt appears, transmitter is
in Analog mode of operation. This is
the factory default mode of
operation setting. Put your control
loop in the manual mode of
operation before initiating SFC
communications. Note that you must
do this separately through the
receiving device in the loop.
If this prompt appears, transmitter is
in Digital (DE) mode of operation.
3
DE READ
A
ID
TA ON.G
?TRIPS SECURED?
OR
Go to Step 5
Be sure any switches that may trip
alarms or interlocks associated with
analog loop are secured or turned
off. Go to Step 4.
This prompt does not appear for
transmitters operating in DE mode.
See DE transmitter display response
in Step 5.
4
NON-VOL
ENTER
(Yes)
Confirms that “TRIPS” are secured. Go
to Step 5 for display response.
Required for transmitters operating
in analog mode only.
Continued on next page