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Summary of Contents for Microsensor MPM483DM
- Page 1 MPM483DM Operation Manual...
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Page 2: Table Of Contents
Table of Contents 1 Introduction ..................3 2 Specifications ..................4 3 Outline Structure and Installation ............5 4 Electrical Connection ................. 8 5 Unpacking Componets and Storage ..........11 6 Supporting Software ................ 13 7 Transmitter Parameter Settings and Usage ........14 8 Operation Maintenance and Responsibility ........ -
Page 3: Introduction
Thank you very much for selecting Micro Sensor’s product, MPM483DM intelligent digital display pressure transmitter is a precision instrument, in order to better use this product, it is recommended that you read this manual carefully before using the product. 1 Introduction... -
Page 4: Specifications
and GB 3836.2-2010 "Explosive atmospheres - Part 2: Equipment protected by flameproof enclosure "d". Explosion-proof mark: Exd IICT6 Intrinsically safe products meet the relevant requirements of GB/T 3836.1-2021 "Explosive atmospheres - Part 1: Equipment - General requirements" and GB/T 3836.4-2021 "Explosive atmospheres - Part 4: Equipment protected by intrinsically safe type "i", the explosion-proof mark is Exia IICT4 Ga, intrinsically safe transmitters are suitable for areas 0, 1 and 2 where there is an explosive mixture of IIA, IIB, IIC,... -
Page 5: Outline Structure And Installation
1bar＜X≤10bar ±0.25FS% ±0.25FS%(default) 10bar＜X≤1000bar ±0.1FS% Sealed ±0.25FS%(default) 35bar＜X≤1000bar gauge (S) ±0.1FS% Power Supply: 8V~28V DC (The intrinsically safe type is powered by a safety barrier) Output Signals: analogue 4mA~20mA DC (2-wire); digital RS485 interface Display Range: -19999 ~ 19999 (4 and half digits LCD display) Load Resistance: (U-8V) /0.02A (Ω) (U is the supply power) Compensated Temperature: -10 ℃... - Page 6 Whether the measured medium will block the impulse hole of the transmitter. 3.2.2 Installation Method In general, the transmitter should be mounted upwards perpendicular to the horizontal orientation (inverted mounting may affect the zero output of the transmitter) The pressure interface of the standard MPM483DM pressure transmitter...
- Page 7 M20×1.5 male thread, and the sealing gasket should be used for installation; The pressure interface of the flush diaphragm MPM483DM pressure transmitter is G1/2 male thread with gasket, and the effective depth of the G1/2 internal thread of the user-mounted interface should not be less than 15mm.
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Page 8: Electrical Connection
Note: It is strictly forbidden to poke the pressure hole or press the diaphragm with hard objects such as iron wire and steel needle to avoid damage to the transmitter. 4 Electrical Connection 4.1 Connection Steps a) Unscrew the back cover of the electronic shell and insert the cable through the cable hole with a sealing sleeve (the cable with an outer diameter of φ7.4mm matches the cable envelope well);... - Page 9 Table 2 Wiring definition terminal definition Terminal definition +OUT +OUT RS485A RS485B 4.3 Intrinsically safe transmitter electrical connection method and precautions: a) Product installation should be carried out in accordance with the relevant provisions of GB/T3836.15-2017 "Explosive Atmospheres Part 15: Design, Selection and Installation of Electrical Installations". And the installation is carried out by professionals.
- Page 10 not be lower than the explosion-proof mark of the transmitter. The safety barrier shall be installed in a safe place, and its installation, use and maintenance must comply with the safety barrier instruction manual. c) When this product is used in hazardous places, the wiring diagram is shown in the figure below, and the product shell must be reliably grounded during installation.
- Page 11 Supply power：Ui:28V、Ii:93mA、Pi：0.651W、Ci：6.7nF、Li:0mH RS485 signals：Ui:6.6V 、Ii:65mA、Pi：0.11W、Ci：6.8μF、Li:0mH Uo:6.51V 、 Io:75mA、 Po： 0.13W、 Co： 5μF、 Lo:6.3mH Intrinsically safe system parameter matching must follow the following guidelines： Uo≤Ui; Io≤Ii; Po≤ Pi;Cc ≤ Co－Ci；Lc≤Lo－Li Cc, Lc: Cable (or wire) between the safety barrier and the intrinsically safe product allows the total maximum distribution of capacitance and inductance Uo: the maximum voltage output of the safety barrier...
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Page 12: Unpacking Componets And Storage
When the product is used in the "0" area, the power transformer supplying power to the safety barrier must meet GB/T 3836.4-2021. 4.4 Flameproof transmitter electrical connection method and precautions a) Check whether the explosion-proof nameplate of the transmitter has the ExdII.CT6 Gb explosion-proof mark, and whether the explosive mixture in the place of use complies with the corresponding level specified. -
Page 13: Supporting Software
Avoid strong knocking when unpacking to prevent damage to the meter or accessories. 5.2 Components The transmitter should be enclosed when out of factory： MPM483DM pressure transmitter Production Manual Production Qualification Certificate 5.3 Storage The transmitter should be stored in a dry and ventilated room with an ambient temperature of -40 °... -
Page 14: Transmitter Parameter Settings And Usage
Fig 4 7 Transmitter Parameter Settings and Usage 7.1 Display and key instructions The two buttons on the front panel of the transmitter are "SET" and "∧". The "∧" key is used to modify each parameter item. The "SET" key is used to select each function parameter and confirm parameter modification. - Page 15 some parameters, settings and adjust according to steps 7.2 and 7.3. 7.2.1 In the measurement state, press the "SET" key for about 3s, the transmitter secondary screen displays "PASS", the main screen displays "1980", press "∧" and "∧+SET", change the password to "1993", and then press the "SET"...
- Page 16 XXXXX ∧/ ∧+SET Zero Point Setting XXXXX Span Point Setting ∧/ ∧+SET XXXXX Pressure Corresponds to 4mA Output ∧ / ∧+SET XXXXX ∧/ ∧+SET Pressure Corresponds to 20mA Output XXXXX Setting Zero/Cancel Setting Zero ∧/long press ∧ ZEro...
- Page 17 kPa/… ∧ Pressure Unit Setting Unit 1200/…9600 ∧ Baud Rate Setting bArd 01/…99 ∧/ ∧+SET Transmitter Address Setting Addr XXXX ∧/ ∧+SET 4mA output micro adjust dA0F XXXX ∧ ∧/ ∧+SET 20mA output micro adjust dAFF yES/no ∧ Whether to factory reset FAct...
- Page 18 XXXXX -End- 7.2.2 In the parameter modification status, after modifying the current parameter value by "∧" or "∧+SET", press "SET" to confirm, and the prompt of the next parameter is displayed automatically. 7.2.3 Repeat the above two steps. After completing all parameter operations, enter the "End"...
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Page 19: Operation Maintenance And Responsibility
The transmitter displays the transmitter model and software version number at power-up, then enters the measurement status and the main display displays the current pressure value of the transmitter. The secondary screen displays maximum, minimum, percentage, output current indication, temperature value, and units. a) In the measurement state, press the "∧"... - Page 20 30 minutes. 。 8.3 Maintenance MPM483DM pressure transmitter is a compact measurement device please pay attention to the following items in the operation: a) If the impulse hole is blocked or the diaphragm is fouled, clean it with a solvent compatible with the transmitter construction material.
- Page 21 Appendix A MPM483DM Intelligent Digital Display Pressure Transmitter Type □ □ □ □ □ □ MPM483DM[ □ 1 ：Pressure Zero：-100～100； □ 2 ：Pressure ：0～20000； □ 3 ：Unit：kPa，MPa，mH O，mbar，bar，psi； □ 4 ： Output Signals： ER4(4mA~20mA DC + RS485 interface, ASCII communication protocol), ER8(4mA~20mA DC + RS485 interface, MODBUS communication protocol) Note: The product has both 4mA~20mA DC and RS485 output ，...
- Page 22 electrical parameters and explosion-proof performance. □ 5 ：Diaphragm Material/Pressure Port Material/Housing Material: 22(316L/304/Aluminum alloy) 24(316L/316L/Aluminum alloy) 25(Tantalum/304/Aluminum alloy) 35(Tantalum/Hastelloy alloy/Aluminum alloy) □ 6 ：Pressure Port： PC1(flush structure M20×1.5 male) PC2(flush structure R1/2 male) PC3(flush structure G1/2 male) C1(M20×1.5 male, end face sealing) C2(G1/4 male, end face sealing) C3(G1/2 male, end face sealing) C5(M20×1.5 male, waterline sealing)
- Page 23 C16(G3/8 male, end face sealing) C18(M14×1.5 male, end face sealing) C23(M12×1.5 male, end face sealing) C25(G1/2 male, waterline sealing) C31(R1/2 male)
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