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Summary of Contents for Microsensor MPM4881
- Page 1 Operation Manual Shaanzhi No. 03000112 MPM4881 Pressure Transmitting Controller MDM4881 Differential Pressure Transmitting Controller...
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Page 2: Table Of Contents
MPM/MDM4881 Contents 1 Features................1 2 Specifications................2 3 Principle................4 4 Outline Construction and Installation........7 5 Electric Connection...............9 6 Parameters Setting and Usage...........11 7 Analog Output Switch............13 8 Hardware Lock..............14 9 Communication Protocol.............15 Be alert to possible electrostatic hazard! For controller in normal use, maintenance and cleaning, any danger of ignition caused by the electric charge shall be prevented;... - Page 3 MPM/MDM4881 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: V1.2...
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Page 4: Features
Thank you very much for selecting Micro Sensor’s product, please take some time to read this operation manual very carefully before using the product. MPM/MDM4881 Pressure / Differential Pressure Transmitting Controller is a digital meter integrating pressure measurement, display, transmitting and control together. It adopts the internationally advanced processing... -
Page 5: Specifications
Exia mark is Ex ib IIA T6 Gb. Modbus communication 2 Specifications Input Power Supply: Non Intrinsically Safe： (220±44)V AC/22V~32V Intrinsically Safe：22V~28V DC（Supplied by Safety Barrier） Pressure Range: 0kPa~10kPa..60MPa(MPM4881); 0kPa~35kPa... 3.5MPa(MDM4881); Overpressure: 1.5FS ; Static Pressure: 20MPa (MDM4881) Output... - Page 6 Accuracy:≤±0.25%FS;≤±0.5%FS; Repeatability: ≤±0.2%FS; Display: 4 digit 0.56 inch 14-segment LED display; Temperature Drift: ≤±0.03%FS/℃(zero/span); Display Refresh: 200ms. Analog Output Current Version: 4mA~20mA DC, Load resistance ≤560Ω； Voltage Version: 0V~10V DC, Load resistance ≥10kΩ. Switch Output Output Mode: 5 relays, normally open or close contact; Voltage Supply: ≤277V AC;≤30V DC;...
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Page 7: Principle
Switch Delay: 0s~99s. Environmental Conditions Operation Temperature: -25℃~65℃/-13℉~149℉； Relative Humility: 0%~85%; Storage Temperature: -40℃~70℃/-40℉~158℉; Media Temperature: -20℃~80℃/-50℉~176℉; Electromagnetic compatibility: GB/T 17626.2/3/4-2006； Shock: ≤5g/10Hz...500Hz(IEC 60068-2- 6-2007); Impact: ≤10g/11ms(IEC 60068-2-27-2008); Protection: IP65 Intrinsically safe explosion proof parameter Supply terminal, Signal terminal: Ui: 28V DC Ii: 93mADC Ci: 0.6uF Li: 4.0mH Pi: 0.65W Relay Output Terminal：... - Page 8 internationally advanced ARM processing chip. It can process the process pressure through 1 current output, 1 voltage output, 5-relay output and 1 LED display. 1、Display When MPM/MDM 4881 is powered on, it displays“MPM” for seconds, then display real time pressure. User can set the display (real time pressure, max.
- Page 9 ·3 seconds later, it displays the setting value Press P1 Display Set switch point Set switch point ③ Set hysteresis ·Press corresponding button ,eg. "H1" ·Display hysteresis code, eg.“HYS1” ·2 seconds later, it displays real time setting value ·Press“+”or“－”key to change value ·3 seconds later, it displays the setting value Press H1 display Set hysteresis...
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Page 10: Outline Construction And Installation
4 Outline Construction and Installation （1）Construction and Outline Dimension Unit: mm 81.5 MPM4881 麦克传感器有限公司 MICRO SENSOR CO,.LTD. 麦克 MI CR O Chart 1: MPM4881 Outline Construction and Dimension 81.5 MDM4881 麦克传感器有限公司 MICRO SENSOR CO,.LTD. 麦克 MI CR O SW22 G1/4 female... - Page 11 Transmitting Controller can be installed by: back mounting, Unit：mm rail mounting, cover mounting and joint mounting. 35mm electric rail 4×M5 MPM4881 bolt hole size Chart 3: Back mounting Chart 4: 35mm Electric Rail mounting electrical control cabinet panel union joint SW27 M20×1.5...
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Page 12: Electric Connection
（3）Panel Rotation MPM/MDM4881 front panel can be rotated. At the working site, after MPM/MDM4881 is installed, screw off the 4 bolts on the panel, rotate panel 180°and screw the 4 bolts tightly again to make sure that the operator face the display panel. （4）Wire diameter Terminal cover uses PG11 plastic flat cable gland which is suitable for cable with outer diameter 7mm~10mm. - Page 13 Controller terminals： Terminal 1 Grounding Terminal 2 AC, DC Power supply double use Terminal 4 Analog output terminal Terminal 6 Relay1 output Terminal 12 RS485 Terminal 9 Relay2 output Terminal 14 Relay3 output Terminal 17 Relay4 output Terminal 20 Relay5 output Intrinsically Safe Electric Connection: The intrinsically safe transmitter applies to the explosive environment.
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Page 14: Parameters Setting And Usage
Pressure/DP transmitting controller： ExibIIAT6 Gb Safety Barrier Output Explosion Proof Parameters：[Exib Gb]IIA Supply terminal, Signal terminal: Ui：28V DC Ii：93mADC Uo：28V DC Io：93mA DC Li：4.0mH Ci：0.6uF Pi：0.65W Po：0.65W Relay Output Terminal： Ui：10.5V DC Ii：14mA DC Uo：10.5V DC Io：14mA DC Li： 0mH Ci：... - Page 15 ① Set basic setting Close and store Basic Settings Menu: Press button P1 and H1 at the same time, enter the "MENU", then press button P1 or H1 to choose "EXIT" ,then choose "+" or "-" to set "YES", 2 seconds later, controller returns back to normal display mode.
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Page 16: Analog Output Switch
point. It is the same for relay 2-5. ACT/ （Primary：3 options） “ACT”： real time pressure SP1...SP “SP1”...“SP5”：Switch 1~5 “MAX”： max. pressure MPa/bar （Unit） ① （Output） MAMP/ “MAMP” ：4mA~20mA current MAMP VOLT “VOLT”：0V~10V voltage Close and store basic settings YES/NO （Exit） Back factory settings... -
Page 17: Hardware Lock
But due to working site application, user may need to switch the analog output into another, please make sure to disconnect the controller with other equipments; After switching the analog output, please make sure the following equipments change output into suitable types to match with controller. Wrong electric connection may damage the controller as well as other equipments. -
Page 18: Communication Protocol
operator needs to do advanced settings, please switch the red dial to "ON" and do settings. 9 Communication Protocol MPM/MDM4881 has RS485 communication interface, if users want to communicate with the controller and make digital processing through RS485, please download MPM/MDM4881 communication protocol on our website. - Page 19 with GB3836.15-2000 Electrical Apparatus for explosive gas atmosphere Part 15 General Requirement, and provisions concerning Electrical Installation (not including Mining products) at Hazardous Area. Explosion-proof products are not allowed to replace the component or structure, so as not to affect its explosion-proof performance.
- Page 20 Address：NO. 18 Yingda Rd,Baoji, Shaan Xi,China,721006 Tel：+86 0917 3600739 /3600832 Fax：+86 917 3609977 邮编：721006...
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