Honeywell ST 3000 User Manual page 66
Smart transmitter release 300 and smart field communicator model sts103
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- User manual (338 pages) ,
- Installation manual (126 pages) ,
- Specification and model selection manual (36 pages)
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5.2
Establishing Communications,
Starting
communications,
continued
Table 17
Starting Communications with Transmitter, continued
Step
Press Key
5
6
52
ST 3000 Release 300 and SFC Model STS103 User's Manual
Read Display or Action
T A
G
N
O
.
S F C
W O R K I N G . .
L
I N
D P
T
_
OR
D E
–
X
M
T
R
T A
_
OR
T A G
N
O
.
N
O
X
M
T
R
R
There is a communication problem,
check the
• power and SFC connections - Is the
polarity correct; red to positive and
black to negative?
• loop resistance - Is there a minimum
of 250 ohms resistance between the
SFC and the power supply?
• power supply - Is power applied, is
there greater than 11 volts at the
transmitter, and are you within the
operating area on the curve in Figure
16?
Continued
Message exchange is taking place
Note that communications with
.
transmitter are blocked until [
is pressed.
Transmitter is in analog
A G
N O .
transmission mode. "LIN" means
transmitter is set for linear output
instead of square root (SQRT). "DP"
means transmitter is differential
pressure type instead of gauge
pressure (GP) or absolute pressure
(AP). Last eight columns in bottom
row are blank when no tag number
has been assigned to this
transmitter. Go to Step 8.
G
N
O
.
Transmitter is in digital (DE)
transmission mode. Last eight
columns in bottom row are blank
when no tag number has been
assigned to this transmitter. Go to
Step 7.
E S
P
O
N S
E
Communication error messages are
cycled at two second intervals and
display returns to initial prompt. Go
to Step 6.
Correct any wiring, resistance, or
power supply problems, and try
communicating again - Press [
key.
If you are still not getting the
correct display, note error
messages and refer to
Troubleshooting section in this
manual for probable cause.
Description
] key
ID
]
ID
Continued on next page
February 2012
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