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Electrical accessories

Using original electrical accessories it is possible to adapt Agromatic actuators to fulfil special requirements. There is a variety of position controllers and auxiliary switches available for this purpose.

Fail-safe module

Agromatic has developed a fail-safe module that ensures the electrically powered actuators take up a safe end position if the power supply fails or is disrupted. The direction of rotation of the actuator to take up the safe end position is selected by means of a plug-in jumper. When the power supply is restored, the module switches back to normal operation.

Suitable for actuators powered by an operating voltage of 24 V DC, it is possible to integrate the module in an existing actuator circuit. Only the permanent power supply of 24 V DC is required in addition.

If the power supply fails, the fail-safe module switches to battery operation and moves the actuator to the safe end position selected. During normal operation, the module’s energy accumulator is moved by the supply voltage.

The fail-safe module has been designed for mounting onto standard rail inside a control cabinet. It includes all the electronic components to carry out the function.

Contact our Sales department for more detailed information.

Position controller

Electronic position controller ESR-N

Electronic position controller ESR-N

Built-in version: N, NV, K ,KA,V, NEx
External version in device base (for mounting onto standard 35 mm mounting rails)

  • Industrial-standard multilayer PCB
  • EMC tested PCB layout
  • Control electronics internally fused
  • Relay output stage with RC snubber circuit across relay contacts for motor control
  • 12 bit setpoint value input
  • 12 bit actual value output
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Electronic position controller ESR-NK

Electronic position controller ESR-NK

  • Industrial-standard multilayer PCB
  • EMC tested PCB layout
  • Short-circuit proof transformer
  • Triac output stage with RC snubber circuit for motor control
  • Integrated limit switches
  • 10 bit setpoint value input
  • 10 bit actual value output

For actuators: NK, VK

Download Data sheet

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Electronic position controller ESR-NL

Electronic position controller ESR-NL

  • Industrial-standard multilayer PCB
  • EMC tested PCB layout
  • Control electronics internally fused
  • Triac output stage with RC snubber circuit for motor control
  • Integrated limit switches
  • 10 bit setpoint value input
  • 10 bit actual value output

For actuators: NL

Download Data sheet

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Angle encoders an auxiliary position switches

Potentiometers

Potentiometers

Potentiometers are favourably priced, robust angle encoders for actuators. Several different versions are available to choose from:

  • Conductive plastic potentiometers (standard) or wire-wound potentiometers (on request)
  • Single-turn or multiturn potentiometers
  • Single or tandem potentiometers
  • Potentiometers approved for gas/air ratio control systems to DIN EN 12067-2:2004-06
  • Custom potentiometers (resistance value, angle of rotation and so forth) on request

Depending on the actuator model and its configuration it is possible to fit up to three potentiometers.
To obtain highly accurate evaluation results the resolution of the maximum angle of rotation of rotary and part-turn actuators is set to the electrical angle of rotation of the potentiometer. Other resolutions are available on request.
The resolution of the maximum linear regulating distance of linear actuators is set to the electric angle of rotation of the potentiometer.

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Hall effect absolute encoder

Hall effect absolute encoder

Absolute encoders using the Hall effect operate contact-free; consequently, they offer very high levels of reliability and a long service life. A variety of models are available on request.

  • Analog output 0 ... 5 V (ratiometric)
  • Analog output 0 ... 10 V
  • Analog output 4 ... 20 mA
  • Digital output, e.g. Serial Peripheral Interface (SPI) or Synchronous Serial Interface (SSI)
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Switches for series

Switches for series

  • Contact material: Silver
  • Max. switching capacity: 6 A, 250 V AC
  • Positive-break switches (optional)
  • Gold contacts for switching smallest loads (optional)

Allgemein:

  • All switch contacts routed to terminals
  • Switching angles infinitely adjustable by means of cams
  • Retrofit switch sets available
  • Changeover contact (SPDT)

For actuators: N, NV, NE, K, KA, V

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Control cams

JNS

JNS

  • Adjustable cam that can be adjusted from the side, consisting of plastic body and plastic cam ring
  • Grub screw ensures cam is reliably secured to the shaft
  • Different cam shapes available

For actuators: N, K, KA, V, NV, NEx

Download Datasheet

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JNO

JNO

  • Adjustable cam that can be adjusted from above, consisting of brass body and plastic cam ring
  • Different cam shapes available

For actuators: N, K, KA, V, NV, NEx

Download Datasheet

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Brass cam

Brass cam

All actuators

  • High quality control cam made of brass
  • Three grub screws ensure the cam is very reliably secured to the shaft
  • Different cam shapes available

Download Datasheet

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Aluminium cam

Aluminium cam

  • High quality control cam made of aluminium
  • Three grub screws ensure the cam is very reliably secured to the shaft
  • Different cam shapes available

For actuators: NL, NK

Download Datasheet

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Plastic cam

Plastic cam

  • Easily adjustable cam made of plastic
  • Integrated O-ring ensures the cam is reliably secured to the shaft
  • Different cam shapes available

For actuators: NL, NK

Download Datasheet

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Diverses

Current output

Current output

Current output facilitates position feedback by means of a current loop.

  •     Standard 4 ... 20 mA position feedback signal
  •     Programmable limit switches
  •     Two-wire technology (loop powered current output)
  •     Higher level controls detect cable break

Download Data sheet

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Service switch

Service switch

With the aid of a service switch it is possible to operate the actuator no matter the status of the higher-level controls.

  • Manual / automatic operation switch selection (toggle switch)
  • Clockwise/anti-clockwise rotation (toggle switch)
  • Integrated in actuator or operated externally
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Anti-Condensate Heater

Anti-Condensate Heater

An anti-condensate heater can help prevent the build-up of condensate if the actuator is exposed to high levels of humidity and fluctuating ambient temperatures. The heater is also avilable as retrofit kit.

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Monostable relays

Monostable relays

  • For single-wire control
  • To operate several actuators in parallel via a single control cable

Relays are available to implement customer- specific circuit arrangements; these are integrated in the actuator and wired to customer specifications (relays available as retrofit kit on request). As a rule, the coil voltage corresponds to the operating voltage of the motor.

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Bistable relays (pulse relays)

Bistable relays (pulse relays)

To change direction of actuator operation, for example, by means of a control pulse

Relays are available to implement customer- specific circuit arrangements; these are integrated in the actuator and wired to customer specifications (relays available as retrofit kit on request). As a rule, the coil voltage corresponds to the operating voltage of the motor.

More

Fail-safe modul

Fail-safe modul

Agromatic has developed a fail-safe module that ensures the electrically powered actuators take up a safe end position if the power supply fails or is disrupted. The direction of rotation of the actuator to take up the safe end position is selected by means of a plug-in jumper. When the power supply is restored, the module switches back to normal operation.

Suitable for actuators powered by an operating voltage of 24 V DC, it is possible to integrate the module in an existing actuator circuit. Only the permanent power supply of 24 V DC is required in addition.

If the power supply fails, the fail-safe module switches to battery operation and moves the actuator to the safe end position selected. During normal operation, the module’s energy accumulator is moved by the supply voltage. The fail-safe module has been designed for mounting onto standard rail inside a control cabinet. It includes all the electronic components to carry out the function. Contact our Sales department for more detailed information.

More