Basic Documentation

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Siem ens GMA..1 actuators with spring return CM2Z4614en
Building Technologies 2018-01-11
1.3 Document contents
This document contains technical fundamentals on the actuators with spring return of
type series GMA..1 for:
∂ Two-position control
∂ Three-position control
∂ Modulating control, and
∂ Modbus communication
The following topics are discussed:
∂ Type overview and description of the available options
∂ Applications and functions
∂ Actuator design including setting and operator elements
∂ Adjustable auxiliary switches and characteristic function
∂ Notes on engineering and safety-specific guidelines and regulations
∂ Notes on mounting, wiring, and commissioning
∂ Technical data
∂ Connection diagrams
∂ Notes on environmental compatibility and disposal