Valve Control Unit

Valve control unit C-TOP-1711

Valve control unit C-TOP-1711

The C-TOP-1711 is a straight-stroke pneumatic valve control unit designed for valve process control. It is compatible with most PLC (programmable logic controller) automation systems with digital communication or bus communication (AS- I BUS). Including position feedback output, two-stage LED light display, anti-leak function, valve opening and closing control, etc., used to control all types of process valves. It can be installed on various pneumatic valves, such as pneumatic butterfly valves, ball valves, diaphragm valves, angle seat valves, globe valves, reversing valves, etc...
Control input: PNP DC 24V
Feedback Output : PNP DC 24V & 4-20mA
Power supply : DC24V ± 10%
Bus communication : AS-I-BUS
Accuracy: repeat positioning accuracy ≤ 0.5mm;
Setting: One-button auto-tuning function
Operating mode: automatic & manual
Leak prevention diagnostic function
Display: two-segment lamp color
Open: green / red
Close: red / green
Stroke range: 0-30mm

Valve control unit-C-TOP-1881

Valve control unit-C-TOP-1881

C-TOP-1881 is a straight-stroke pneumatic valve control unit designed for valve process control. It is compatibled with most PLC (programmable logic controller) automation systems with digital communication or bus communication (AS- I BUS). Including position feedback output, two-stage LED light display, anti-leak function, valve opening and closing control, etc., used to control all types of process valves. It can be mounted on a variety of pneumatic valves, such as pneumatic butterfly valves, ball valves, diaphragm valves, angle seat valves, globe valves, reversing valves, etc.…..
Control input: PNP DC 24V
Feedback Output : PNP DC 24V
Power supply : DC24V ± 10%
Bus communication : AS-I-BUS
Accuracy: Repeat positioning accuracy ≤ 0.2%;
Setting: One-button auto-tuning function
Operating mode: automatic & manual
Leak prevention diagnostic function
Display: two-segment lamp color
Open: green / red
Close: red / green
Travel range: 0-60mm/0-30mm

Valve control unit C-TOP-1721

Valve control unit C-TOP-1721

The C-TOP-1721 is a straight-stroke pneumatic valve control unit designed for valve process control. It is compatible with most PLC (programmable logic controller) automation systems with digital communication or bus communication (AS- I BUS). Including position feedback output, three-segment LED display, anti-leak function, valve opening and closing control, etc., used to control all types of process valves. It can be installed on various pneumatic valves, such as pneumatic butterfly valves, ball valves, diaphragm valves, angle seat valves, globe valves, reversing valves, mixing proof valves, etc.
Control input: PNP DC 24V
Feedback Output : PNP DC 24V & 4-20mA
Power supply : DC24V ± 10%
Bus communication : AS-I-BUS
Accuracy: repeat positioning accuracy ≤ 0.5mm;
Setting: One-button auto-tuning function
Operating mode: automatic & manual
Leak prevention diagnostic function
Display: three-segment lamp color
Open: green / red
Close: red / green
Middle position: yellow, suitable for anti-mix valve
Travel range: 0-60mm

Valve control unit C-TOP-1561

Valve control unit C-TOP-1561

C-TOP-1561 is a rotary angular stroke pneumatic valve control unit designed for valve process control. It is compatible with most PLC (programmable logic controller) automation systems with digital communication or bus communication (AS). -I BUS). Including position feedback output, two-stage LED light display, anti-leak function, valve opening and closing control, etc., used to control all types of process valves. It can be installed on various pneumatic valves, such as pneumatic butterfly valves, ball valves, globe valves and other rotary stroke valves.....
Control input: PNP DC 24V
Feedback Output : PNP DC 24V & 4-20mA
Power supply : DC24V ± 10%
Bus communication : AS-I-BUS
Accuracy: Repeat positioning accuracy ≤ 0.2%;
Setting: One-button auto-tuning function
Operation: Automatic & Manual
Leak prevention diagnostic function
Display: two-segment lamp color
Open: green / red
Close: red / green
Stroke angle: 0-180°

Valve control unit-C-TOP-0821 (Phase out)

Valve control unit-C-TOP-0821 (Phase out)

C-TOP is a controller which conbines the signaling and devices command to monitor all types of (piston) process valves. The controller (in a single component) includes the following features:
● Green: valve is open
● Red: valve is closed
● Yellow: valve is in progress of the third position (mixproof valve) operation
Actuator: 1) single-action 2) double-action 3) triple action
Bus version: AS-I BUS
Basic version: cable connection
Power: DC 24V ± 10%
Air supply: 4-7Bar

File Description Language Size
Valve Control Unit Valve control unit: straight stroke C-TOP-1721 / 1711/1881; rotary stroke C-TOP-1561 English 4.66MB)
Self-Control Valve It includes various structure adjustment valves such as angle seat valve, globe valve, single seat valve, V-type ball valve, butterfly valve, etc. English 9.6MB)