Rotork
CMR
CMA
CMR multi-turn compact modulating actuators are an all-electric solution for control valve and pump applications. Exact position control and continuous modulation with accurate and repeatable position control with up to 0.1% accuracy. Certified explosionproof to international standards and available with optional local controls and Reserve Power Pack.
Features
- Multi-turn output drive with up to 45 Nm (400 lbf.in) rated torque
- The CMR-250 actuator with a GBX spur gearbox, is a part-turn solution (with multi-turn option) with high torque output and low power consumption
- Accurate and repeatable position control using 4 to 20 mA signal withup to 0.1% accuracy
- Explosionproof to international standards
- Adjustable speed control
- Manual override standard
- Electronic torque limiting
- Two standard adjustable position switches
- Suitable for mounting in any orientation
- Permanently lubricated, maintenance-free drive train
- Wide standard ambient temperature range -30 to 70 °C (-22 to 158 °F) with low temperature option available
- Brushless DC motor provides reliable, accurate, continuous modulation capability
- Encoder technology provides dependable contactless feedback
- Less than 1 watt standby power
- Suitable for 1-phase or DC power supplies
- 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
- Built-in interface allows for quick and simple setup via six-segment LCD display and push buttons
- Optional integral local controls with LCD positional display
- Compatible with a wide variety of fieldbus, hardwired and analogue site systems
- Fieldbus options including HART®, Foundation Fieldbus®, Profibus®, Pakscan™, RIRO, DeviceNet® and Modbus®
Features
Features
- Multi-turn output drive with up to 45 Nm (400 lbf.in) rated torque
- The CMR-250 actuator with a GBX spur gearbox, is a part-turn solution (with multi-turn option) with high torque output and low power consumption
- Accurate and repeatable position control using 4 to 20 mA signal withup to 0.1% accuracy
- Explosionproof to international standards
- Adjustable speed control
- Manual override standard
- Electronic torque limiting
- Two standard adjustable position switches
- Suitable for mounting in any orientation
- Permanently lubricated, maintenance-free drive train
- Wide standard ambient temperature range -30 to 70 °C (-22 to 158 °F) with low temperature option available
- Brushless DC motor provides reliable, accurate, continuous modulation capability
- Encoder technology provides dependable contactless feedback
- Less than 1 watt standby power
- Suitable for 1-phase or DC power supplies
- 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
- Built-in interface allows for quick and simple setup via six-segment LCD display and push buttons
- Optional integral local controls with LCD positional display
- Compatible with a wide variety of fieldbus, hardwired and analogue site systems
- Fieldbus options including HART®, Foundation Fieldbus®, Profibus®, Pakscan™, RIRO, DeviceNet® and Modbus®
