Sentera Controls AH2A1-6 Mounting And Operating Instructions
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Sentera Controls AH2A1-6 Mounting And Operating Instructions

Electronic heating controller
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AH2A1-6
ELECTRONIC HEATING
CONTROLLER
Mounting and operating instructions

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Summary of Contents for Sentera Controls AH2A1-6

  • Page 1 AH2A1-6 ELECTRONIC HEATING CONTROLLER Mounting and operating instructions...

  • Page 2: Table Of Contents

    INTENDED AREA OF USE TECHNICAL DATA STANDARDS WIRING AND CONNECTIONS OPERATIONAL DIAGRAMS MOUNTING INSTRUCTIONS IN STEPS VERIFICATION OF INSTALLATION OPERATING INSTRUCTIONS MODBUS REGISTER MAPS TRANSPORT AND STORAGE WARRANTY AND RESTRICTIONS MAINTENANCE MIW-AH2A1-6-EN-000 - 18 / 11 / 2019 2 - 10 www.sentera.eu...

  • Page 3: Safety And Precautions

    In case there are any questions that are not answered, please contact our technical support or consult a professional. MIW-AH2A1-6-EN-000 - 18 / 11 / 2019 3 - 10 www.sentera.eu...

  • Page 4: Product Description

    CONTROLLER PRODUCT DESCRIPTION AH2A1-6 are electric heating controllers for single-phase or two-phase electric heating. They are used as slave devices and need a “master” device - AH2C1-6, AH2C1-6-500, etc. - to control them. The series utilise time-proportional control: the ratio between on-time and off-time alters in order to fit the heating requirements.

  • Page 5: Wiring And Connections

    100 % Analogue input Time MOUNTING INSTRUCTIONS IN STEPS Before you start mounting AH2A1-6, read carefully “Safety and Precautions”. Choose a smooth surface for installation (e.g. a wall, a panel, etc.). ATTENTION Before mounting the device switch off the mains supply! Follow these steps: Unscrew the cover and open the controller.
  • Page 6 GND and Ai1 of the terminal block. Fig. 3 Basic wiring and connections 230 VAC / 400 VAC Heater MASTER MIW-AH2A1-6-EN-000 - 18 / 11 / 2019 6 - 10 www.sentera.eu back to the table of contents...
  • Page 7 Additional Control Options. Additional options (optional) (see Fig. 4) Modbus RTU communication - AH2A1-6 can be controlled and all settings can be done via Modbus RTU communication protocol. If you intend to use this option, you should connect the unit to a computer with installed 3SModbus application via the /B, A and GND terminals.
  • Page 8 Slave n Slave 2 Slave 1 Slave 2 Slave n ATTENTION On a Modbus RTU network, two bus terminators (NBTs) need to be activated MIW-AH2A1-6-EN-000 - 18 / 11 / 2019 8 - 10 www.sentera.eu back to the table of contents...

  • Page 9: Verification Of Installation

    Registers”, “Write Single Register” and “Write Multiple Registers” commands. The registers that are not used are read-only and, therefore, writing in these registers neither returns a Modbus error exception, nor makes any changes. MIW-AH2A1-6-EN-000 - 18 / 11 / 2019 9 - 10 www.sentera.eu...

  • Page 10: Transport And Storage

    In case of heavy pollution, clean with a non-aggressive product. In these circumstances the unit should be disconnected from the supply. Pay attention that no fluids enter the unit. Only reconnect it to the supply when it is completely dry. MIW-AH2A1-6-EN-000 - 18 / 11 / 2019 10 - 10 www.sentera.eu...

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