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MPM4730/4700

Operation Manual

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Summary of Contents for MPM4700

Page 1: ...MPM4730 4700 Operation Manual ...

Page 2: ...ion and Maintenance 15 7 Responsibility 16 Our company reserves the modification right for this operation manual due to renovation of production technology and craftwork If some information is changed no more notice will be edited Please pay attention to the latest version Our company also reserves the right of final explanation for this manual Version V1 0 ...

Page 3: ...le for precise measurement and control for liquid pressure level in all various fields The Explosion proof version of MPM4700 is an intrinsic safe version conforming the standard of GB3836 1 2010 and GB3836 4 2010 Explode sign is ExiaⅡBT6 Ga MPM4730 marine products conform to the requirements of CCS classification specification for steel sea going ships 2018 and have obtained type approval MPM4700...

Page 4: ...n model the security gate power supply Signal Output 4mA 20mA 2 wire RS485 HART optional Compensated temperature 10 70 Operation temp 30 80 4730 4 pin Plug 7 pin Plug 20 70 4730B2 4700 cable material PE PVC 20 80 4730B2 4700 cable material PUR 20 60 Intrinsic safety Storage temp 40 85 4730 4 pin Plug 7 pin Plug 20 85 4730 Cable type 4700 Long term Stability 0 2 FS typical Baud rate 1200 2400 4800 ...

Page 5: ...ection IP65 4730 B1 B2 IP63 4730 B3 IP68 4700 Transmitter part P65 Junction box part Cable ф7 5mm PVC or polyurethane cable with vented tube Weight 250g 4700 No cable 230g 4730 3 Outline dimension and Installation 3 1 Outline dimension Unit mm 122 98 Φ 26 Φ 16 MPM4700 ...

Page 6: ...asuring medium would not stop up the pressure leading hole 3 2 2Installation Method Usually the transmitter should be mounted vertically up to the horizontal direction If the condition is unavailable the allowed max mounted slope angle from transmitter to the horizontal direction is 30 degree Caution do not poke the pressure leading hole with hard things and do not press the diaphragm with finger ...

Page 7: ...ion method of liquid level products Installation in Static Water a The installation method in the pool to see Figure 2 To protect the transmitter it should be mounted far away from the pumping in out source to prevent the pumping impact the transmitter also could be mounted as Figure 3 protected by steel pipe b The installation method in the deep well to see Figure 3 Steel pipe inserting method co...

Page 8: ...he water going through unobstructed If necessary the transmitter could be wrapped by steel wire Lift up and down with the steel wire to protect the cable sediment Electnical Connection Box C o n t r o l R o o m Fixed Mount Fig 2 Electnical Connection Box Fastener Control Room Fig 3 ...

Page 9: ...d several little holes should be made at different heights of the pipe to damp wave and reduce water moving effect to see Figure 4 b Superficial burying is better in the sand and stone channel to see Figure 5 c This method not only can dispel water flowing pressure and wave influence but also can filter the sand and mud to see Figure 6 Electnical Connection Box Fig 4 ...

Page 10: ...8 Damper Air Pocket ELectnical Connection Box Fig 5 Fig 6 4 Electric Connection 4 1 the transmitter is electrically connected with the external circuit through a plug socket or cable ...

Page 11: ...ection of explosion proof product Definition Internal Plug Wiring Color External Plug Connection 4Wires Plug MPM4730 B2 MPM4700 7 Wires Plug V 1 Red 1 Red 1 OUT GND 2 Black 2 Black 2 Case 3 Blue Blue 7 RS485B 4 White White 5 RS485A 5 Yellow Yellow Green 4 Note Explosion proof product of 4 pin plug connection only provide 4 20 mA DC output 4 2 Typical electrical connection method a The electric con...

Page 12: ...mitter P Input RS485A V U DC current Safety OUT RS485B Computer barrier Fig 8 Note when 4mA 20mA DC output and RS485 signal are used at the same time RS485 signal will affect 4mA 20mA DC output signal in communication and the degree of influence is related to communication rate and communication frequency c Wiring for HART transmitter connecting with hand communicator to see Figure 9 ...

Page 13: ...ethods are shown below P I Danger zone P Input RS485A V Safety OUT RS485B Computer Safety zone Load Power barrier Safety barrier Fig 10 ExiaIIBT6 Ga Exia IIC Transmitter Ex proof parameter Safe barrier s ex proof parameter Ui 12 4VDC Ii 140 mADC Uo 12 4VDC Io 140mADC Po 0 43W Li 0μH Ci 1 049μF Pi 0 43W Note Ui the highest input voltage the highest voltage which could work on transmitter input term...

Page 14: ...citance which could be connected with safe barrier output terminals Li the max internal inductance the internal equal total inductance which could exist on transmitter input terminals Lo the max external inductance the biggest inductance which could be connected with safe barrier s terminals 4 3 Installation notes There is a plastic tube inside the cable it is used to connect gauge sensor with the...

Page 15: ... power transformer which supplies the safe barrier should conform to the Regulation of GB3836 4 2010 d Please install safe barrier and power in safe area and install intrinsic safe transmitter in the hazardous area Pay attention to grounding safely e The biggest permitted distributed capacitance for the cable between the transmitter and safe barrier connection is Cp Co Ci the biggest permitted dis...

Page 16: ...mitter address The initial address is random if the user needs to reset the address please notify us or reset it after receiving the product 5 Unpacking Shipment Enclosed and Storage 5 1 Unpacking a Please be sure that the package is complete and the package is put as the sign UP b Please be sure do not knock at the package violently and protect the housing jacket and rubber bushing 5 2 Shipment E...

Page 17: ...4730 Cable type 4700 and a relative humidity 85 There is no corrosive gas in the indoor air to the transmitter 6 Operation and Maintenance 6 1 Operation Customers do not need to make any adjustments to the transmitter to put it into operation Before putting into operation please check the installation and electrical connection again After confirming the correct electrical connection switch on the ...

Page 18: ...etc d Please be sure the vented tube connected with the atmosphere unobstructed Please do not jam the vented tube to prevent make additional error 7 Responsibility Within one year from the delivery date we shall repair or replace the instrument with any quality fault caused by material parts or our manufacturing technique For non quality malfunction during user s operation we are in charge of repa...

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