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ETR 46

ETR 46

Product description

  • Temperature controller, front-side measurements 48 x 96 mm
  • Mounting in control or front panel, etc.
  • High-precision control mode through fast control impulse output
  • Convenient data entry and storage through free engineering tool WinKonVis
  • Monitoring of actual value, sensor, heating current, and actuator in the heating circuit
  • 2 measuring inputs and 3 control outputs more compared to ETR 45
  • Digital data interfaces RS485 and CAN bus enable communication to controllers and PC's
  • Flexible and parameterisable timer function with four timers (e.g. for start up mode)
  • Functional extension by firmware updates

Product information

Technical specifications

General Data

Number of control zones1
Rated voltage85-240VAC | 24VDC
Power consumption150mA
Fuse protection1 A MT
Displays2 four-digit 7 segment LED
Operating elementsMembrane keypad
Status displayLEDs
Dimensions(HxWxD in mm) 96 x 48 x 94
MountingFront panel
Weight0.2 kg
Operating temperature0...55 °C
ConnectionsClamping integrated in housing
Ingress protectionFront side IP 54; housing, connections IP20
Addressing modeBy configuration parameters
StandardsCE, EN 61010, EN 61326
Data backupPower failure safe in EEPROM

Data interfaces

RS485Option; protocols: PSGII, Modbus RTU | Baud rate: 1200 - 19200 baud
CANOption; protocols: CAN Bus Standard (2.0A), Canopen (Profiles CiA 401 V2.01) | Baud rate: up to 1 Mbps

Temperature measuring inputs

Resolution14 Bit
TypeThermocouple type J,K,L | resistance thermometer Pt100
Range-50...1200°C, 0...850°C | -50...1200°C
Reference junctionInternal
Input resistance> 47 kOhm
Measuring precision< 1 K
MonitoringSensor break, sensor polarity reversal, sensor short-circuit

Heating current measuring inputs

Quantity1, single-phase, via current transformer
Measuring signal42 mV/A
Resolution14 Bit

Digital inputs

Quantity2 | (Option) 2
Electrical dataActivation through external potential free contact | 0-30 VDC, < 10 mA for 24 VDC
FunctionFunction adjustable

Digital outputs

Quantity4 | (Option) 2
Type1 electronic switching contact; 3 relay output | 2 x optical coupler
Electrical data60 V, 100 mA; 250 V, 2 A ohmic load | 0-30 VDC, up to 500 mA for external power supply, short-circuit proof
FunctionControl outputs, alarm outputs

Analogue outputs

Quantity(Option) 2
TypeU (0...10 VDC resp. 2...10 VDC) | I (0...20 mA resp. 4...20 mA)
Resolution8 Bit
MonitoringLine break
FunctionFunction adjustable


In the Media & Downloads section you will find an overview of all product-specific documents. 
For technical data like e.g: User guides, service manuals, etc. please register.

To media & downloads


Current transformer, 4 measuring coils, measuring range up to 40A
Summation current transformer, 1 measuring coil, measuring range up to 60A
Current transformer, 1 measuring coil, measuring range up to 200A
Current transformer, 1 measuring coil, measuring range up to 400 A
USB converter - RS 422/485
Configuration and project setup

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