Digital positioner controls pneumatically actuated process valve

Mike Edwards   

Products CMSH digital positioner festo pneumatic actuator process valve

The CMSH is an intelligent, digital positioner from Festo controls the position of a process valve that is actuated by a pneumatic actuator.

CMSH units have an ambient temperature range of -40° to 80°C and an IP66/67 rating.

The positioner is a 4 to 20 mA loop-powered 2-wire device, meaning that an additional power supply is not required.

Configuration and operation can be performed locally on an LC display using operating buttons.

A HART interface permits remote access and integration into higher-level systems.

There are product variants for single- or double-acting actuators with safety settings (failsafe, fail in place).

The product is suitable for attachment to actuators with a mechanical interface in accordance with VDI/VDE 3845-1 (IEC 60534-6-2) or VDI/VDE 3847-2.

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