Flowserve Modutronic 20 II Modulating Position Controlle Manuel d'utilisateur Page 6

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Limitorque Actuation Systems Modutronic 20 II FCD LMENIM4002-00 – 08/06
6
1.2 Product Identification
Figure 1.1 – Modutronic 20 II
1.3 Product Description
The Modutronic 20 IITM is a solid-state integrated circuit-based controller. It is used to operate elec-
tric valve actuators in wastewater, petrochemical, and other industry applications requiring accurate
modulation positioning. The standard input consists of a 4-20 mA signal generated by a process
controller; the resulting output is used to accurately and repeatably position a valve actuator through
conventional or solid-state switching of either single or three-phase AC power.
1.4 Product Features
Accuracy and repeatability of positioning within 1% of full-scale for actuator stroke times greater
than 30 seconds.
Solid state circuitry for longer life and reliable service
4-20 mA command signal
Can be used to control single or three-phase systems
Jumper selectable Lock-in-Last or Fail-Closed configurations if command signal is lost
Five parameters available for adjustment allows actuator/application match
Adjustable ON and OFF motor control timers
LED indicators display signal, power, and control status to simplify calibration and monitor
performance
M
O
D
U
T
R
O
N
IC
2
0
M
O
D
E
L
II
C
L
O
S
E
O
P
E
N
ZERO
SPAN
GAIN
PO
W
ER O
N
INPUT ACTIVE
ON TIM
E
OFF TIM
E
Zero, Span,
Gain Calibration
Potentiometers
61-825-0713-1
SALES/SERVICE
434-528-4400
Status
Indicator Lights
On-Time/Off-Time
Calibration
Potentiometers
Cover
Open/Close
Indicator
Lights
Wiring
Harness
1
2
3
4
5
6
7
8
9
1
0
Limitorque Actuation Systems
Lynchburg, VA. USA
M
O
D
U
T
R
O
N
IC
2
0
M
O
D
E
L
II
C
L
O
S
E
O
P
E
N
ZERO
SPAN
GAIN
PO
W
ER O
N
INPUT ACTIVE
ON TIM
E
OFF TIM
E
Zero, Span,
Gain Calibration
Potentiometers
61-825-0713-1
SALES/SERVICE
434-528-4400
Status
Indicator Lights
On-Time/Off-Time
Calibration
Potentiometers
Cover
Open/Close
Indicator
Lights
Wiring
Harness
1
2
3
4
5
6
7
8
9
1
0
Limitorque Actuation Systems
Lynchburg, VA. USA
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