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6/08 ST 3000 Release 300 and SFC Model STS103 User’s Manual 129
7.4 Flow Measurement with DP Transmitter, Continued
Procedure, continued
Table 39 Starting Up DP Transmitter for Flow Measurement With SFC, continued
Step Press Key Read Display or Action Description
3
Open valves A and HP block-off to make
differential pressure zero (0) by applying
same pressure to both sides of meter
body.
Allow system to stabilize at full static
pressure - zero differential.
4
DE READ
A
ID
TA ON.G
?TRIPS SECURED?
Be sure any switches that may trip
alarms or interlocks associated with
analog loop are secured or turned
off.
5
NON-VOL
ENTER
(Yes)
TA ON.G
SFC WORKING.. .
LIN AG NO.DP T
P T3Ø11
Confirm that “TRIPS” are secured
and establish communications with
sample transmitter PT 3011
6
^
SHIFT
INPUT
J
OUT-
PUT
LIN AG NO.DP T
FT–SHI
PTINP 3Ø111UT
FC WOSING
.
RK ..
PTINP 3Ø111UT
.9 351Ø
"
H2O_39F
Initiate shift key selection.
Read applied input pressure.
Reading is updated every six
seconds.
7
INPUT
J
OUT-
PUT
PTOUT 3Ø111P
FC WOSING.RK ..
%Ø. Ø
PTOUT 3Ø111P
Call up output for display.
Read 0% output on display for
corresponding zero input pressure.
For analog transmission, check that
milliammeter reading is 4 mA (0%)
output.
8
If SFC and Then…
milliammeter
readings…
are exactly go to Step 11.
zero (4mA)
are not exactly go to Step 9.
zero (4mA)
Continued on next page