Microsensor MPM486 Bedienungsanleitung
V2.0
MPM486
Operation Manual
1
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..
1 Introduction
MPM486 with HART pressure transmitter is an intelligent pressure measuring
unit with 2-wire,analog and digital signal outputs. It has a good performance wi
th digitally temperature compensation and non-linearity correction, 4 bytes
and a half LCD display, according with HART communication protocol, it is
available with long-distance operation.
The transmitter can be widely used in pressure measurements and industry
process controls system requiring BUS operation with HART protocol in the
fields of petroleum ,chemo-industry,electric power and paper making
etc, The unit can be compatible with the similar products and suitable for appli
cations requiring two wire analog signal transmission or long-distance adjustme
nt via MS-HART handholding programmer. Before using MPM486 transmitter,
please read carefully this manual and operating accordingly.
2 Specification
Pressure Range: 0kPa ~20kPa…100MPa
Overpressure:1.5 times FS or 110MPa(Min. value is valid)
Pressure Type:Gauge, Absolute or Sealed
Accuracy:±0.1%FS(Typ) ±0.25%FS（Max）
Temperature error：±0.25%FS(Within compensated temperature range)
Annual stability :≤±0.25%FS/year
Compensated temperature range: -10℃~70℃
2
Operation Temperature range: -20℃~80℃
Storage temperature range: -40℃~85℃
Power supply:12V～36VDC
Output: 4～20mA with HART protocol digital communication
Display: LCD Display,Two/Three keys controls
Damp:0s～32s
Load:(U-12V)/0.02Ω
Insulation: 100MΩ／50V
Endurance: 1x107pressure cycle，0%FS~100%FS，@25℃
Vibration: 20g (20~5000)Hz
Shock: 20g 11ms
Protection: IP65
Sealing ring:O Ring Viton
Weight: About 1.7kg
3 Outline dimension(Unit:mm)
M20X 1.5
6
25
5
SW 27
34
2 -M6
～120
～152
～105
6 8
Figure 3-1
3
4 Electronic connetion.
4.1 Electrical Definitions
The Supply/Signal terminal locates inside
electronic housing. When making connection,
please open the “transmitter” cover firstly, the
terminal’s definition see as the Figure4.1-1, the
left terminal marked with”+A or –B”is for
supply/signal. Figure4.1-1
Power is supplied by the signal wires. The Signal/Supply share one
terminal(2wires, no additional supply wire).While you make connection, please
take very carefully to make right connection: the anode of Supply wires
connecting with the anode of Supply terminal”+A”on the left, Signal I-out
connecting the signal terminal “-B”.
Be sure the Supply & Signal wires DO NOT connecting with the “TEST”
terminal. Otherwise, it will make the transmitter output loop short and cause the
loop parts turnoff. In case that happens, you could take the emergency method
to short the TEST and Common terminals to recover the normal operation of
the transmitter.
The signal wire do not need to use a shield cable, the twisted-pair couple wire
can get the best effect. Please DO NOT let the signal wire share the same
wire/cable allocation pipe or slot with other equipments power supply wires,
and the signal wire NOT close to the high-power equipments. Using sealing
4
element to seal the passing-hole after connecting the wires. In case you can’t
find a sealing element on site, please installing the transmitter with the wires
hole face down to prevent from entering water. The signal wire can be floating
on the ground or any one point in the signal loop grounded. The transmitter
housing grounded or not grounded are both okay.
The stability of supply voltage for transmitter is not strict, even if the voltage
wave around 1V, the influence on output signal is very small or can be ignored.
The transmitter is capacitive coupled grounded, while you are checking the
insulation resistance, take care NOT use high volts megohm meter, only max
100V. megohm meter can be allowed for checking the circuits. The maximum
current for the transmitter with 4～20mADC output will not exceed 22mA DC.
4.2 Remote control
a) Connecting with the computer
The user can be easily through HART-CONFIG TOOL to connect with HART
intelligent pressure transmitter by HART/RS232 interface to realize the
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configuration, calibration, local controls and maintenance of HART protocol
intelligent transmitter.
b) Connecting with the hand-holder
By connecting with MS-H375 HART hand-holder to realize the configuration，
calibration , local controls and maintenance of HART protocol intelligent
transmitter.
5 Display
Customers can use configuration software to set the volume and the decimal
point of LCD display. Referring to the words of “meter configuration” to
“output” of configuration software.
LCD allows the double volumes displaying. The possible setting volume
includes current, main volume and its percentage; every volume is possible to
set the decimal position of displaying: 0. 1. 2. 3.
If the two displaying volume are same, LCD only displays one; otherwise, LCD
will display the both volumes one after one in 3s internally,
LCD all information display see Figure 5-1
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Figure 5-1
Current display see Figure 5-2
Figure 5-2
Main volume percentage display see Figure 4-3
Figure 5-3
Main volume display see Figure 5-4
7
Figure 5-4
Other display notes:
In the communication state, the left-up corner of LCD flash 。
For the rooting output, LCD display 。
For fixed current output，LCD display 。
If you start the writing protection，LCD display 。
If you want to let temperature displayed ，except the normal display
information，LCD left-down display the temperature“88”，below-19℃ or
over 99℃ display .
6 Local Adjustment
It is possible to set the unit, range, damp etc and adjust the zero, zero and span
elevation functions, also you can look above volumes to press the keys.
6.1 key operation
It supports “double keys” and “three keys” operation. (magnetic stick
adjustment is same as double keys pressing operation)
In “double keys” operation: Z key is for entering the volume setting and moving
cursor; S key is for entering volume setting, adding and storing data.
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In “three keys” operation: Z key is for entering the volume setting and moving
cursor; S key is for entering volume setting, adding and storing data. M key is
for storing data.
6.2 Data Set
While the left-down corner “88” display 1~7, it shows that the transmitter is in
the state of local adjustment, now you can use keys to input the pass code,
adjust data or elevation.
In setting, “S” key is for adjusting data and decimal point, “Z” key is for
moving, “M” key is for storing.
Setting procedure:
1．Press down S key will enter data setting, then symbol starts flashing and
you can change symbol.
2．If press down S key again, you can exchange data’s + and –(“▲” means +)
3．Press down Z key, the first number begins to flash; now you can set the
number. If you keep pressing down or pressing down S key repeatly, the
number will display sequentially.
4．Press down Z key again, you can set the second to the fifth number
sequentially, the way is as the same as the step 3.
5．After setting the fifth number, press down Z key to set the decimal point.
Four decimal points start to flash at the same time and you can set decimal
point position. Now, press down S key, the decimal point position change
sequentially.
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6．After setting decimal point, press down Z key, the left-down arrows flash,
now you can store your setting.
7．Press down S key to store setting; press down Z key, symbols bit begins to
flash and you can start the new setting programmed.
Notice: If it is the “three keys” operation, during the setting procedure, you can
press down M key at any time to store setting quickly. If not, you have
to wait for the next down arrows flashing to store your settings.
6.3 Local Adjustment
6.3.1 Data setting
In local adjustment, LCD left-down “88” will show setting data types, the
corresponding relations:
Left-down “88”show
Setting data
0 or null
Normal display
1
Setting pass code
2
Setting units
3
Setting Range Down Limit
4
Setting Range Up Limit
5
Setting Damp
6
Adjusting Main volume to Zero
7
Zero and Span elevation
In the normal display state, press down Z key will enter the configuration data
setting, configuration data setting process see Figure 6.3-1.
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