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Invisible Systems Limited 

 

 

P a g e

 | 

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7-9 Beetham Road, Milnthorpe Cumbria, LA7 7QL, England 
Phone: 01539 722 520 Email: [email protected] 

QC0150 Mains Powered Modbus Transmitter 
Installation Manual 

INDEX 

 

  

Contents 

1.

 

Introduction .................................................................................................................................... 4 

2.

 

Applications ..................................................................................................................................... 5 

3.

 

Safety .............................................................................................................................................. 5 

4.

 

Requirements prior to Install. ......................................................................................................... 7 

5.

 

Preparation ..................................................................................................................................... 8 

6.

 

Correct connection of the data cables into the Modbus Transmitter from the Modbus Device. .. 9 

7.

 

Examples of Metering Equipment that is compatible with the modbus equipment. .................. 10 

8.

 

Sensor Numbering ........................................................................................................................ 12 

9.

 

Locating Sensors ........................................................................................................................... 12 

7. 

Checking operation ....................................................................................................................... 14 

8. 

Meter Validation ........................................................................................................................... 16 

9. 

Appendix 1 

 Part Numbers. ......................................................................................................... 17 

 

 

 

Document Name 

Manual Description 

Version 

QC0140 

Unboxed Ultra RF Gateway Installation Manual 

1.0 

QC0141 

Boxed Ultra RF Gateway Installation Manual 

1.0 

QC0142 

3 Phase Wireless Meter Installation Manual 

1.0 

QC0143 

21-42 Channel Sub-meter Installation Manual 

1.0 

QC0144 

Optical Pulse Transmitter Installation Manual 

1.0 

QC0145a 

Pulse Transmitter (Electric meter)Instalation Guide 

1.0 

QC0145b 

Pulse Transmitter (Gas meter)Instalation Guide 

1.0 

QC0145c 

Pulse Transmitter (Water meter)Instalation Guide 

1.0 

QC0146 

21-42 Channel Sub Meter 

1.0 

QC0147 

Modbus Panel Meter Installation Guide 

1.0 

QC0148 

Pulse GRP Single/ Double Panel Meter 

1.0 

QC0149 

Rx/Tx-ULTRA RF-Repeater Instruction Manual 

1.0 

QC0150 

Mains Powered Modbus Transmitter 

1.0 

QC0151 

2mtr Temperature Transmitter 

1.0 

Summary of Contents for QC0150

Page 1: ...Installation Manual Mains Powered Modbus Transmitter QC0150 Manual Ref QC0150 Version JAN17 1 0 ...

Page 2: ...hanges v 1 0 06 01 2017 Chris Boddy RF Transmitters connect to sensors or meters and send data to the infrastructure internet connected Gateway on site The Gateway stores and transfers the data to the Realtime Online cloud server over a secure mobile cellular connection Realtime Online provides a web based portal of visualisation dashboards reports graphs and transmits out tailored automatic repor...

Page 3: ...x 1 Part Numbers 17 Document Name Manual Description Version QC0140 Unboxed Ultra RF Gateway Installation Manual 1 0 QC0141 Boxed Ultra RF Gateway Installation Manual 1 0 QC0142 3 Phase Wireless Meter Installation Manual 1 0 QC0143 21 42 Channel Sub meter Installation Manual 1 0 QC0144 Optical Pulse Transmitter Installation Manual 1 0 QC0145a Pulse Transmitter Electric meter Instalation Guide 1 0 ...

Page 4: ...ris A21 Socomec Diris A41 Multicube Metering Panels etc The setup and connection of these devices to third party meters will require reference to the relevant manufacturer s installation documents relating to each device as the modbus registers can be different depending on what is required by the customer The Modbus Transmitter will be programmed according to its designated purpose that is confir...

Page 5: ...narios but is limited to what the chosen meter can deliver 3 Safety This manual gives details of safe installation of Modbus Transmitter Safety may be impaired if the instructions are not followed or the system is used in a manner not specified by the manufacturer Labels give details of equipment ratings for safe operation Take time to examine all labels before commencing installation Safety symbo...

Page 6: ... the designated cabinet as the cables present on the inside of the enclosure will need to be avoided When connecting to this type of meter the correct safety protocols for site would need to be followed when working on electrical equipment and reference to the particular meter manual will be required it is recomended to contact a qualified electrician for this work Maintenance The equipment should...

Page 7: ... Registar Reads Required Confirmation of compatable Baud Rate Settings Confirmation of compatable Parity Settings The below table will need to be filled in prior to receiveing the Modbus Transmitter as it will be programmed to your specific requirements This can be emailed to you by Invisible Systems Ltd prior to equipment being sent Ref QC0151 It is Advised that the maximum number of registar add...

Page 8: ... as to ensure there is no trip hazard Find a suitable location for mounting the Modbus Transmitter Clear of obstacles on a flat dry surface not in close proximity to water Also ensure there are no buried cables or pipe work close to a power outlet Note It is advised that if where possible the Modbus Transmitter is fitted to a 5amp switched fused spur to ensure inadvertant disconnection from supply...

Page 9: ...n Under no circumstances should the cover be removed while the Transmitter is plugged in the available mains supply Under no circumstances should the Transmitter be mounted on any form of asbestos boards Check asbestos register prior to any work commencing Example Modbus Connections As shown each meter is show as a slave it is advisable that the last meter in the modbus loop be checked to see if t...

Page 10: ...ll shield should be used A twisted pair should be used for network lines A and B and a single core or second twisted pair for 0V Many specialist cables are available for RS485 but shielded CAT 5e cable 4 twisted pairs may also be used Cables running within the electrical enclosure may come close to high voltages and therefore must be insulated to the following minimum specification RS485 Cables UL...

Page 11: ... to allow correct operation if other registers are required further info can be found in the manufactures manual Socomec Diris A10 Diris A21 A40 Connections The Table below shows the values that need to be advised in the meter EM21 Meter Mtr Type Input Registar Unit PM750 4000 Total KWH High word kWh Mtr Type Input Registar Unit Diris A10 50780 Total KWH High word kWh Diris A20 857 Total KWH High ...

Page 12: ...p to 15Km line of sight However environmental factors such as walls and furniture can reduce this distance considerably so optimal placement of sensors is important Note that this document does not specifically cover the installation of Gateways which are covered in a separate document see index but the following general guidance is given When placing sensors avoid the following a Placing the tran...

Page 13: ... signal terms from all the sensors Typically sensors can be expected to pass through 4 5 normal internal walls without difficulty The following illustration shows how sensors which are hidden behind large metal objects like tanks or steel walls may have difficulty in transmitting to the gateway Notes Care must be taken when installing this sensor as live electrical circuits are usually within the ...

Page 14: ...suggested that the operation is checked to ensure the transmitter is being received by the Gateway Open Ultra RF Gateway Setup This should be located on the desktop of your laptop On first use if requested select the USB lead being used and highlight for use Screen information being displayed The Screen will show the transmitters it can see in range of the receiver these can be sorted by sensor ty...

Page 15: ...e RSSI is shown in dBm with a bar chart showing signal strength This is an important parameter The table below shows dBm ranges in relation to Signal strength The range shown above reads 100dBm this is shown in the table as a Marginal signal therefore will need improving either by reviewing the transmitter location moving the Gateway closer or adding a signal repeater in between transmitter and re...

Page 16: ...done twice as a minimum to allow the Realtime online software to check the readings the longer the time between reading the better the result An initial check whilst on site can be done with a few hours between readings however for full and accurate calibration ideally 7 days between readings is desirable 48 hours minimum Click the two readings entered on the left of the screen and then Compare Re...

Page 17: ...01539 722 520 Email info invisible systems com QC0150 Mains Powered Modbus Transmitter Installation Manual 9 Appendix 1 Part Numbers Part Number Item Description 3999 913 2188 Ultra RF Modbus Modbus Transmitter 2m PVC Mains Powered 3999 901 1212 Ultra RF Repeater RF Signal Repeater Mains Powered ...

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