Rotork CMA range

Configuration

The Rotork CMA Range provides for simple, safe and easy set-up via an internal electronic 6-segment LCD display and push button configuration.

Features

Powered by single-phase or direct current supplies

Linear, quarter-turn and rotary drive action

Optional Local Controls with LCD Display (linear, quarter-turn, rotary)

Local Controls with LCD Display Plus Supercapacitor Reserve Power Pack (RPP) (linear and quarter-turn only) units available

Permanently lubricated and maintenance free drive train

Capable of being mounted in any orientation

Accurate and repeatable position control

4 to 20 mA loop powered, feedback signal

Digital communication options including HART®, Foundation FieldbusTM, Profibus®, Pakscan, RIRO and Modbus® available

Field selectable adjustments for:

Deadband

Zero and span

Command signal type

Standard or reverse acting

Manual-auto operation

Output shaft position on loss of signal

All CMA units have the ability to adjust their speed 50-100% of operation

Shut off torque/thrust capability (60 -150% of rated) for required tight shut off at the valve in the CLOSE position

Wide standard ambient temperature range:

EP Product: -4 to +149 °F (-20 to 65 °C)

WT Product: -22 to +158 °F (-30 to 70 °C)

Optional low temperature trim

Manual override standard

Electronic thrust/torque limiting

Two standard adjustable position switches

24 VDC option

Pakscan, HART®, Profibus®, Modbus, DeviceNet and Foundation Fieldbus® available

Optional hard wired RIRO (Remote In Remote Out)

Rotork is independent of valve manufacturers allowing us to work with a wide variety of valve makers and manufacturers worldwide.

CMA Range Benefits

Available in linear, quarter-turn and multi-turn versions and a range of five compact sizes

Economical operation of numerous types of control valve, damper and pump stroke adjuster applications

Maintenance-free drive train

Accurate and repeatable positional control

Resolution is 0.20% on linear and quarter-turn applications and 2 degrees on the multi-turn configuration

Continuous modulating performance