Microsensor MPM Series Manuale utente
V2.0
MPM/MDM Transmitting Controller
series operation manual
I
Contents
1.Introduction........................................................................................... 1
2.Safety alarm...........................................................................................2
3.Specification..........................................................................................2
4.Outline construction...........................................................................4
5. Electric connection............................................................................ 9
6. Calibration...........................................................................................11
7.Installation........................................................................................... 13
8.Communication protocol................................................................ 15
9.Responsibility.....................................................................................17
Our company reserves the right to modify this manual due to product
technique and process updates. If any information is modified, we will not
make further notice.
Please pay attention to the latest version.
Our company reserves the right of final interpretation of this manual.
1
Thanks for selecting our products. Please read this manual carefully
before operation.
1. Introduction
MPM/MDM series transmitting controllers are multi-functional
instruments for pressure, differential pressure and level measurement
and control which consists of MPM/MDM484C, MPM/MDM460,
MPM460W, MPM/MDM484ZL. This series of products are all-electronic
structure, which can measure, display and control on-site pressure,
differential pressure and level. It could output standard signals, and
realize network transmission and remote setting and calibration for
transmitting controllers’ parameters based on RS485 (Modbus RTU
protocol) bus. With easy operation and calibration, it is widely used in
various industries like hydro-power, tap water, water treatment,
petroleum, chemical industry, metallurgy, etc. It can realize the
measurement, display and control of pressure, differential pressure and
liquid level of fluid medium.
Features
High-precision AD conversion circuit, microprocessor processing data
Convenient for networking and data transmission, long-distance
calibration and setup available
2
Main and secondary screens are displayed simultaneously (484C
has main screen only)
Parameters setting and calibration by keys, easy to operate
Analog output and RS485 interface (Modbus RTU protocol) available
Max. 8-way control (460 series), high controlling accuracy
Return difference setting for each controlling contact to avoid contact
chattering, stable operation
2. Safety alarm
Please read this manual carefully before operation and make
the connection according to the electrical definition of each
product.
Do not calibrate the transmitter when there is no standard
pressure source. If you need to adjust it, please operate it by
professional persons
Please do not touch the corrugated diaphragm with your
hands or sharp objects to avoid damaging the sensor.
In case of strong interference, the housing should be well
grounded.
3. Specification
Measured range:
Level: 0m~1m…200mH2O (only MPM460W)
3
Pressure: -100kPa…0kPa~10kPa…100MPa
Differential pressure: 0kPa~50kPa…3.5MPa
Overpressure:
Level: 1.5 times FS
Pressure: 1.5 times FS or 110MPa (min. value is valid)
Differential pressure: static pressure ≤20MPa
Power supply: 220V AC/110~370V DC/24V DC
Output signal:
Analog output: 4mA~20mA DC,0mA~10/20mA DC,
0/1V~5/10V DC
Digital output: RS485 interface (Modbus RTU protocol)
Environmental temp.: -10℃~60℃
Media temp.: -10℃~80℃
Storage temp.: -40℃~80℃(460W wetted parts -20℃~80℃)
Relative humidity: 0%~80%
Vibration: acceleration≤3g, frequency 0Hz~300Hz
Shock: ≤10g
Stability: ≤±0.3%/year
Max. Power consumption: ≤3.5W (460 series 5~8 relay ≤5W)
Accuracy: ≤±0.25%FS (typ.) ≤±0.5%FS (max.)
Relay load: 240V/3A AC or 30V/3A DC
Contact life: >100000 times
Main screen: 0.56” (460 series, 484C series) or 0.8” (484ZL series)
4
Secondary screen: 0.36” (460 series,484ZL series)
Display range: -1999~9999 (red highlight LED)
Digital part: sampling rate:10 times/s
Relay qty.:1~5 (484C series,484ZL series) 1~8(460 series)
Installation method: vertical and Horizontal
mounting (MPM484ZL, MPM484C), submersible
Protection: IP65:MPM460(W) and MDM460 display housing
IP68:MPM460W sensor
4. Outline construction
4.1. Construction material
Pressure port: stainless steel
Diaphragm: 316L stainless steel
Electric housing: stainless steel(484C, 484zl front shell)
aluminium alloy (460,484zl bottom shell)
Seal method: NBR, full-welded
4.2. Pressure port
Standard gauge: M20x1.5 male .etc
Standard differential pressure: G1/4 female
Standard level(460W): sensor part is submersible transducer
4.3. Outline
a) MPM/MDM484C series
5
MPM484C Pressure Transmitting Controller
MDM484C Differential Pressure Transmitting Controller
kPa
φ100
49
M20×1.5
φ6
22
2
(60)
(160)
SW27
φ100
49
kPa
(160)
13 33 13
8
(60)
φ27
φ30
φ40
22
G1/4
φ100
49
kPa
(160)
13 33 13
8
(60)
φ27
φ30
φ40
22
G1/4
6
MPM484C Pressure Transmitting Controller (Horizontal mounting)
b) MPM460, MDM460, MPM460W outline
MPM460 Pressure Transmitting Controller
49
kPa
φ116
2
φ6
M20×1.5 33
SW27
22
(60)
2
φ100
φ130
120°
120°
3-φ3.5 EQS
M20×1.5
12
(150)
SW24
60
27 15
（175）
80
125
φ27
MPa
7
MDM460 Differential Pressure Transmitting Controller
MPM460W Transmitting Transmitter MPM460WK Transmitting Controller
33
φ30
13 13
φ40
(162)
8
22
SW24
125
（175）
80
60
27 15
φ27
G1/4
KPa
φ 18
L
φ 140
M42× 1.5
SW48
SW36
φ 26
57.5
SW24
125
（ 175）
80
mH 20
(110)
125
SW24
80
（175）
m H2O
φ 27
L(length)
φ 26
(100)
8
c) MPM484ZL, MDM484ZL:
MPM484ZL Pressure Transmitting Controller
MDM484ZL Differential Pressure Transmitting Controller (vertical mounting)
terminal
cover
MPa
(220)
M20×1.5
φ6
22
68
φ150
5015
SW27
name
plate
50
cover
terminal
15
MPa
(240)
φ150
φ30
13
φ40
φ27
33 13
822
G1/4
(90)
name
plate
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