Sentera Controls AH2A1-6 Mounting And Operating Instructions Download | Manualshive

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Mounting and operating instructions

AH2A1-6

ELECTRONIC HEATING

CONTROLLER

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Summary of Contents for AH2A1-6

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

Page 2: ... INTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 4 WIRING AND CONNECTIONS 5 OPERATIONAL DIAGRAMS 5 MOUNTING INSTRUCTIONS IN STEPS 5 VERIFICATION OF INSTALLATION 7 OPERATING INSTRUCTIONS 8 MODBUS REGISTER MAPS 8 TRANSPORT AND STORAGE 9 WARRANTY AND RESTRICTIONS 9 MAINTENANCE 9 AH2A1 6 ELECTRONIC HEATING CONTROLLER ...

Page 3: ...ironment is as dry as possible avoid condensation All installations shall comply with local health and safety regulations and local electrical standards and approved codes This product can only be installed by an engineer or a technician who has expert knowledge of the product and safety precautions Avoid contacts with energised electrical parts Always disconnect the power supply before connecting...

Page 4: ...hase max 3 2 kW 230 VAC two phase 6 kW 400 VAC Temperature measurement range 30 70 C Analogue output 0 10 VDC 0 20 mA Analogue input 0 10 VDC 0 20 mA Protection standard IP54 according to EN 60529 Operating ambient conditions temperature 20 40 C rel humidity 5 85 rH non condensing STANDARDS Low Voltage Directive 2014 35 EU EN 60730 1 2011 Automatic electrical controls for household and similar use...

Page 5: ...OFF switching B Modbus RTU RS485 communication signal B A Modbus RTU RS485 communication signal A GND Modbus RTU RS485 ground OPERATIONAL DIAGRAMS Slave mode Regulated output PWM PWM Time Temperature SP t Analogue output Analogue input 0 100 100 Temperature SP 5 C Analogue input 0 30 C 100 MOUNTING INSTRUCTIONS IN STEPS Before you start mounting AH2A1 6 read carefully Safety and Precautions Choose...

Page 6: ...er details 5 Put back the cover and secure it with the screws 6 Switch on the mains supply OPERATING INSTRUCTIONS AH2A1 can operate as a Slave device only i e an expansion unit It can be controlled via Modbus or in case you do not intend to use Modbus you can set it via the DIP switches see Fig 5 below AH2A1 needs to be connected to an external master controller in order to operate Follow these st...

Page 7: ...ge The operating mode of the controller Standalone or Modbus mode is selected via Holding register 7 see Modbus Register Maps below Modbus mode disables the DIP switch settings 2 Remote ON OFF terminals NC and GND You can connect an external switch to turn the controller on and off from a distance When the connection between the NC and GND terminals is interrupted the controller stops and the outp...

Page 8: ...does not follow the DIP switch settings and all options are selected via Modbus Optional settings The Network Bus Terminator NBT is used to set the device as and by default the NBT is disconnected It is put manually onto the pins to be connected see Fig 6 To assure correct communication the NBT jumper needs to be activated in only two devices on the Modbus RTU network see Example 1 and Example 2 F...

Page 9: ...3 5 HW version unsigned int Hardware version of the device Read only XXXX 0 x 0100 HW version 1 10 6 RW version unsigned int Firmware version of the device Read only XXXX 0 x 0110 FW version 1 10 7 Operating mode unsigned int Enables disables the Modbus control 0 1 0 1 Standalone mode Modbsu mode 8 Output override unsigned int Enables Modbus control over the output Always settable Active only if h...

Page 10: ...ieve the manufacturer of any responsibilities The manufacturer bears no responsibility for any misprints or mistakes in this data MAINTENANCE In normal conditions this product is maintenance free If soiled clean with a dry or damp cloth 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 ...

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