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7.3

Setting Default MODBUS Communication Parameters

Procedure for re-setting default communication parameters is as follows.

Step-1:

Switch Off the power supply of the device.

Step-2:

Locate the Jumper-1 on the PCB as shown in Fig – 7.3.1. The normal position of the

jumper is shown in Fig 7.3.2

Fig – 7.3.1: Location of the Jumper 1

Fig – 7.3.2: Normal Position of Jumper-1 on board.

Содержание MBMet-500AB

Страница 1: ...Specifications Solar Irradiation Sensor 3 3 Parts of Solar Irradiation Transducer 5 4 Solar Irradiation Transducer Installation 6 5 Solar Irradiation Sensor Connections 8 6 MBMet 500 Default Configura...

Страница 2: ...l and get acquainted with the senor connections and terminals before commencing installation activity Before connecting the sensor system read its label to confirm power supply requirements All connec...

Страница 3: ...per annum Cell Temperature Range 40 to 900 C Accuracy 0 3 FS Resolution 0 1 Response Time 2 3 seconds Ambient Air Temperature Integrated Sensor Sensor Type RTD PT100 Range 40 to 900 C Accuracy 0 3 FS...

Страница 4: ...or Enclosure Size 120 L x 76 W x 65 H mm Weight 350 grams approx Mounting clamp suitable for mounting on PV module side SS 304 Cable terminals 1 5 sq mm copper Integrated Ambient Temperature Sensor 40...

Страница 5: ...ucer 01 01 01 01 2 Temperature sensor NA Integrated PT100 External Ambient PT1000 External PV Module PT1000 3 SS Spring Clip for Temperature sensor mount NA NA 01 NA 4 Mounting Plate SS 304 01 01 01 0...

Страница 6: ...her location Care must be taken that the sensor inclination is same as PV Module Step 1 Drill two holes M6 at site where the Solar Irradiation sensor is intended to be installed according to the follo...

Страница 7: ...the figure 4 3 Fig 4 3 Holes for fixing sensor to mounting plate Note Keep the sensor cover with solar cell safely Ensure that there is no scratch on the solar cell and it is not soiled Step 4 Connec...

Страница 8: ...V DC 2 GND GND GND GND 3 RS485 D RS485 D RS485 D RS485 D 4 RS485 D RS485 D RS485 D RS485 D 5 NA Integrated Ambient Temperature RTD A External Ambient Temperature RTD A External PV Module Temperature...

Страница 9: ...del Un supported values will be read as 0 Parameters from the sensor can be read via MODBUS protocol in both signed integer and float data formats MODBUS Register Address Parameter Default Values Leng...

Страница 10: ...ion 16 Read only Unsigned Integer 112 Software Version 16 Read only Unsigned Integer 113 Manufacture Year 16 Read only Unsigned Integer 114 Device Serial number 16 Read only Unsigned Integer Table 7 1...

Страница 11: ...ister 105 else the settings will not be saved ii Please note that writing single register is not allowed All the registers are to be written in one MODBUS write command Step 4 After all the parameters...

Страница 12: ...communication parameters is as follows Step 1 Switch Off the power supply of the device Step 2 Locate the Jumper 1 on the PCB as shown in Fig 7 3 1 The normal position of the jumper is shown in Fig 7...

Страница 13: ...the jumper in the original factory position as in Fig 7 3 2 Communication parameters is reset to default settings This will not change any other settings of the device 8 General Maintenance General m...