S7999B SYSTEM DISPLAY
73
65-0283—2
Setpoints:
None
APPLICATION NOTE
Application:
Flow Monitor
Description:
Monitoring and display of steam flow (pounds of steam per hour) or fuel flow (cubic feet or
gallons per hour) with totalization calculation options.
M24244
MODBUS COMMUNICATION
HONEYWELL S7810M
D+
+
-
R
D-
SHIELD
26
27
25
26 27
25
-
+
L2
L1
G
C
A
B
L1
L2
250 OHM
RESISTOR
FLOW
SENSOR
(STD 904
SERIES)
UDC 3500
CONTROLLER
Digital Inputs:
None
Digital Outputs:
None
Analog Inputs:
Steam flow sensor (10k-35k lbs/hour)
and / or
Gas flow sensor (10k-35k ft3/hour)
or
Fuel oil flow sensor (60-260 gal/hour)
(4-20mA)
Analog Outputs:
None
Application File:
flow01.nge
flow02.nge
flow03.nge
flow04.nge
flow05.nge
flow06.nge
flow07.nge
flow08.nge
flow09.nge
flow10.nge
Description
Steam Only Steam/Gas Steam/Fuel
Oil
Gas Only
Fuel Oil
Only
TOTALIZAT
ION
Steam
TOTALIZAT
ION
Steam/Gas
TOTALIZAT
ION
Steam/Fuel
Oil
TOTALIZAT
ION
Gas
TOTALIZAT
ION
Fuel Oil
Range
10-35k lbs/
hr
10-35k lbs/
hr
10-35k ft
3
/hr
10-35k lbs/
hr
60-260 gal/
hr
10-35k ft
3
/hr 60-260 gal/
hr
10-35k lbs/
hr
10-35k lbs/
hr
10-35k ft
3
/hr
10-35k lbs/
hr
60-260 gal/
hr
10-35k ft
3
/hr 60-260 gal/
hr
Controller
Model (see
footnote)
1
1
1
1
1
2
2
2
2
2
Algorithm:
CTRALG
DIS
DIS
DIS
DIS
DIS
DIS
DIS
DIS
DIS
DIS
TIMER
DIS
DIS
DIS
DIS
DIS
DIS
DIS
DIS
DIS
DIS
Output:
OUTALG
CURRENT CURRENT CURRENT CURRENT CURRENT
CURRENT CURRENT CURRENT CURRENT CURRENT
Input 1:
IN1TYP
4-20
4-20
4-20
4-20
4-20
4-20
4-20
4-20
4-20
4-20
IN1 HI
35
35
35
35
260
35
35
35
35
260
IN1 LO
10
10
10
10
60
10
10
10
10
60
Input 2:
IN2TYP
DIS
4-20
4-20
DIS
DIS
DIS
4-20
4-20
DIS
DIS