2 Product Specification
Rotary actuators 135 • M140 • M150 • M180
8 Version 2.0 - June 2012 Operating instructions
• If the control voltage is applied to terminal 2 the actuator shaft will turn clockwise.
• If the control voltage is applied to terminal 3 the actuator shaft will move anti-clockwise.
2.4 Functions
2.4.1 Set time
The time in which the actuator shaft covers a distance of 90 degrees is called set
time. Set time is specified in s/90°.
2.4.2 Manual operating
In manual mode you can change the rotary motion manually without supply
voltage.
• In manual mode the supply voltage needs to be turned off by qualified staff.
6.1 Changing between manual and automatic mode
on page 24
2.4.3 Potential-free path switch (accessory)
The optional path switch allows you (106) to set two actuating positions within
which a potential-free contact is opened or closed.
5.2 Setting the potential-free path switches on page 21
2.4.4 Potentiometer (accessories)
The optional potentiometer (180) indicates the actual position of the rotary
actuator. 0° Angles of rotation up to 90° are issued as:
• 0 ... 200 Ohm
• 0 ... 1 k Ohm
• 0 ... 10 k Ohm
5.3 Setting a potentiometer on page 22
2.4.5 Servo actuator heater (accessories)
The optional actuator heating (190) prevents the formation of condensation inside
the actuator and ensures at the same time the ease of movement for the gear
even at temperatures up to c. -20°C.
Heating capacity:
• 25 VA
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