Bell & Gossett P20001748 Integrated Technologic with Sensorless Control Manuel d'utilisation
Page 4
Wired
Wired Sensorless Sensorless
Pressure Flow Pressure Flow
Parameter
Parameter Name
Set-up 1
Set-up 2
Set-up 3
Set-up 4
Parameter Description
Number
Defaults
Defaults
Defaults
Defaults
20-21
Setpoint 1
15.0
150.0
15.0
150.0
Process setpoint
20-00 Feedback 1 Source
Analog input 53
Sensorless
Sensorless Transducer feedback input
Pressure Flow
20-12
Ref/Feedb Unit
psi
GPM
psi
GPM
Transducer feedback units
20-13
Min Ref/Feedb.
0.0
0.0
Min feedback value for the transducer
20-14
Max Ref/Feedb.
40.0
300.0
40.0
300.0
Max feedback value for the transducer
3-41
Ramp 1 Up Time
10 s
Ramp up time (0 to full speed)
3-42
Ramp 1 Down Time
10 s
Ramp down time (full speed to 0)
20-93
PID Prop Gain
5
Proportional correction gain for PID
20-94
PID Integration Time
3.3 s
Integration time for the PID controller
22-80 Flow Compensation
Disabled
Flow compensation (friction head loss)
function
22-81 Square-Linear Cure
100%
Adjusts shape of the flow
Approx.
compensation control curve.
Speed needed for minimum head at no
22-84
Speed at No Flow [Hz]
0.0 Hz
NA
0.0 Hz
flow. Use when flow compensation is
enabled.
Speed needed to maintain the design
22-86
Speed at Design Point
60.0 Hz
NA
60.0 Hz
point. Use when flow compensation is
enabled.
22-87
Pressure at No Flow
0.00
Pressure at no flow speed. Use when
Speed
flow compensation is enabled.
22-89 Flow at Design Point
NA
NA
0.000
NA
System flow at the design point. Use
when flow compensation is enabled.
5-10
Digital Input 18
Start
DI 18 function
5-11
Digital Input 19
No Function
DI 19 function
5-12
Digital Input 27
No Function
DI 27 function
6-50
Terminal 42 Output
Speed 4-20mA
Analog output function
5-40
Function Relay
Relay 1: No Alarm
Relay 1 and 2 function
Relay 2: running
My Personal Menu parameters are shown in the following table:
• If using Set-up 1 or Set-up 2 a transducer is required
at AI53. Wire a 4-20mA transducer as shown:
• Wire a 0-10V transducer as shown:
Xylem Inc.
8200 N. Austin Ave.
Morton Grove, IL 60053
Tel (847) 966-3700
Fax (847) 965-8379
www.bellgossett.com
Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries.
© 2013 Xylem Inc. P2001748 June 2013