SAUTER Linear valve actuator AVM 234S series AVM234SF132-6

Connection with 230 V or 100…110 V as 2-point/3-point or with continuous activation of valve

actuator (accessory 0372332)

The built-in positioner controls the actuator depending on controller’s output signal y.

A voltage signal (0…10 V–) at terminal 3u or a current signal at terminal 3i serves as the control

signal. If there is a control signal on both terminals (3u (0…10 V) and 3i (4…20 mA)) at the same time,

the input with the higher value has priority.

Direction of operation 1 (mains power supply on internal connection 2a):

When the positioning signal is increasing, the actuator spindle extends.

Direction of operation 2 (mains power supply on internal connection 2b):

When the positioning signal is increasing, the actuator spindle retracts.

The starting point and control span are fixed. A split-range unit (only for voltage input 3u) designed for

installation in the actuator is available as an accessory for adjusting partial ranges (see split-range

unit function).

After the connection of the power supply and the initialisation, the actuator moves to every valve

stroke between 0% and 100%, depending on the control signal. Thanks to the electronics and the

travel measurement system, no stroke is lost, and the actuator does not require periodic re

initialisation. When the end positions are reached, this position is checked, corrected if necessary,

and saved again. It is thus possible to operate multiple actuators of the SUT type in parallel. The

feedback signal y0 = 0…10 V corresponds to the effective valve stroke of 0…100 %.

If the control signal 0…10 V or 4…20 mA is interrupted with direction of operation 1. the actuator

spindle moves in completely, or moves out completely with direction of operation 2.

The coding switch can be used to set the characteristic of the valve. An equal-percentage or

quadratic characteristic can only be generated when the actuator is used as a continuous actuator.

Additional switches can be used to select the running times (with the 2-point, 3-point or continuous

functions).

Continuous actuation can also be used with a power supply of 230 V or 110 V (accessory required).

You must ensure that the neutral wire of the controller is connected to the control voltage. The neutral

wire of the power supply may only be used for the module.

LED indicator: The indicator consists of bi-colour LEDs (red/green).

Both LEDs flash red

Top LED lights up red

Bottom LED lights up red

Top LED flashes green

Top LED lights up green

Initialisation

Top limit stop or “CLOSED” position reached

Bottom limit stop or “OPEN” position reached

Actuator is running, moving to “CLOSED” position

Actuator is stopped, last direction of travel “CLOSED”

Bottom LED flashes green

Bottom LED lights up green

No LED lights up

Both LEDs flash red and green

Actuator is running, moving to “OPEN” position

Actuator is stopped, last direction of travel “OPEN”

No power supply (terminal 2a or 2b)

Actuator is in manual mode

Additional technical information

The yellow housing, consisting of the front part, rear part and connecting lid, only serves as a cover.

The DC motor, electronic control unit, load-bearing section and maintenance-free gear unit are

located in the housing. The actuator spindle and the column are made of rust-proof material. The

inner printed circuit boards and the gear unit are made of steel. The valve spindle guide and the valve

neck coupling are made of die-cast aluminium.

Note on ambient temperatures: With a media temperature of up to 110 °C in the valve, the ambient

temperature is allowed to reach 60 °C. With a media temperature above 110 °C, the ambient

temperature must not exceed 55 °C. Otherwise, the intermediate piece accessory 0372336180 must

be fitted.

Abbreviations used

Abbreviation Directive

LV-D Low-Voltage Directive 2014/35/EU

EESR-2016 Electrical Equipment (Safety) Regulations 2016

EMC-D Electromagnetic Compatibility Directive 2014/30/EU

EMC-2016 Electromagnetic Compatibility Regulations 2016

RoHS-D RoHS Directives 2011/65/EU and 2015/863/EU

RoHS-2012 Restriction of Hazardous Substances (RoHS) Regulations 2012

Auxiliary change-over contacts

0372333

001

Switch rating max. 250 VAC, current min. 250 mA at 12 V (or 20 mA at 20 V)

Switch rating max. 12…30 VDC, current max. 100 mA

0372333

002

Switch rating max. 250 VAC, current min. 1 mA at 5 V

Switch rating max. 0.1…30 VDC, current 1…100 mA

If it is used once in the range up to 10 mA or up to 50 V, the gold plating is eliminated. The switch

can then only be used for a higher switch rating.