MADECO MD-M12 Operation Manual

The MADECO MD-M12 is a versatile gear indicator designed to measure both instantaneous and total flow rates. It features a user-friendly interface with a 6-digit display and multiple LED indicators for various operating states. The MD-M12 supports a wide range of input signals and can be configured to display readings in various units, making it suitable for a variety of applications. The device also includes features such as data memory, manual and automatic reset, and adjustable output hold time.

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OVAL GEAR INDICATOR MANUAL
Operation Manual
A. Feature
1. Smart key to lock parameters .And with parameter locking safety
feature prevents other people free to modify;
2. Meter with double LED and 6-digital display. multi indicate the
operating states;
3. Power supply with 9-36VDC or 90-265VAC;
4. EEPROM data memory and kept about 10 years;
5. CE certiﬁcation and EMC Anti-interference;
6. Modulus free to set;
7. Manual and automatic reset feature;
8. Data memory when Power cut feature;
9. Free set output signal hold time.
B. Parameters
Supply
Same
Para
-meters
Power
Relays work
life
Relay capacity
AC90-250V 50/60Hz(customized for AC/DC24V
supply)
&lt;3W
Mechanical life: 500 million times
Electrical life: 10 million times(Within the rated load)
250VAC/3A or 30VDC/5A
Environment
-10 ~ 50 ℃ (no icing);35 ~ 85% RH (humidity)
Insulation
resistance
≥20MΩ; 1.5KV/1M
I nput resistance
Square wave, Positive wave Pulse signal
2V≤H≤30V:0≤L≤1V
≥10KΩ
Supply Output
12V（80mA max）
Weight
&lt;500G
Input Speed
30/1000cps
Scaling factor
range
00.000 ~ 99.999 or 0.00000 ~ 9.99999
Input signal
Counter
Para
-meters
Output hold
time
Total Range
0.00 ~ 99.99S
00.0000 ~ 999999
C. Openings Size
(Unit : mm)
Panel size
H&times;W
48&times;96
Body size h&times;w&times;l
45.5&times;90.5&times;90
Cutting hole
a&times;b
46.5&times;91.5
D. Wiring
Note:If this wiring diagram and the actual instrument wiring diagram there is a difference, please press
the actual meter wiring diagram.
F. Instructions
Code
1
2
3
Attributes
Top Red LED
Explanation
Cumulative and Instantaneous value
Display Window
Bottom green LED
Alarm Output set Display window
OUT
（red）
Alarm light.Light when alarm is active
(The timing mode is R , Shiny delayperiod,
the lower the delay time countdown )
10
1. In normal indication, pressing the
button 30 seconds to enter the parameter
setting group .
SET（green）
2. In parameter edit mode, press to modify
the value of the store and go to the next
parameter
11
1. In normal display, press this key to
enter the SV set value modiﬁcation
2. In the parameter setting, press to
enter the parameter modiﬁcation mode
3. In parameter edit mode, press the
ﬂashing cursor can be rotated to the left
to move
Left
Alarm Set
12
Parameter edit mode, press to move the
Down Set cursor down to decrement the value at the
blinking
13
Up Set
Parameter edit mode, press to move the
cursor blink values of increasing upward
14
Reset
12+13
In normal display, press this key to
perform the count or time zero setting
Any setting screen, press the key
Complex composite key to return to the
normal
display
G. Example
Item-1: For MD-M2 ﬂow sensor, the sensor K factor is:0.065mL/p
To measure instantaneous ﬂow . The measuringunit is“mL/M ”
To measure total ﬂow volume. The measuring unit is “mL”
1.Setting Procedure
1) Wiring;(Refer the Wiring)
2) Power on;
3) Press the SET key over 5s , to enter the setup mode
4) Tap press SET key, to rolling down the parameters;
5) Rolling down to the parameter [C-D-P],
to
modify the Decimal.
To press the lefe key,the parameters will ﬂash ,to press the
up or down key to adjust the Decimal point.Press the SET
key to comﬁrm.
6) To press the SET key to set [C-P]
set
the total ﬂow parameters . press the left key the
number ﬂashing, press the UP or DOWN to set the
parameter.
If the MD-M2 K=0.065 mL/M, plase set C- P to 0.065
(the
measuring unit will bemL)
7) Press to SET the[F-P]
To set the
instance ﬂow. If the MD-M2 K=0.065mL/M,the parameter F-P
shall be set to 0.065*60=3.9, then the measuring unit will
be mL/M.
8) Press to set the RAN
Set the instance
ﬂow Decimal point ,tap the left key the parameters is
ﬂashing ,press the up or down key to set the Decimal
point.
Item2: MD-M9 test the total ﬂow
Test the Instantaneous ﬂow
unit: L
Unit : L/H
The k of M9, K=5.1 ml/p
1. Setting Procedure
1) Wiring; (Refer the Wiring)
2) Power on;
3) Press the SET key over 5s , to enter the setup mode
4) Tap press SET key, rolling down setting the parameters;
5) To set the [C-D-P]
places.To press
Modify the Decimal
the
LEFT
key,the
parameters is
ﬂashing ,press the up or down key to adjust the place of
Decimal point.Press the set key to comﬁrm.
6) To press the SET key to set [C-P]
set
the total ﬂow parameters . press the left key the number
ﬂashing, press the up or down to set the parameter.
If the MD-M9 K=5.1Ml /M, to set the 0.0051
7) Press to set the[F-P]
(Unit: L)
To set the instance
ﬂow. If the M9 K=5.1mL/M,The unit is ml the parameters
may be 18.36.
8) Press to set the [RAN]
(unit: L/h)
Set the instance
ﬂow plae of Decimal point ,tap the lefe key the parameters
is ﬂashing ,press the up or down key to set the Decimal
point.
Item3: MD-M12 test the total ﬂow ,unit: L
Test the Instantaneous ﬂow , UNIT:L/H
The K of MD-M12 K=17ml/P
1. Setting Procedure
1) Wiring; (Refer the Wiring)
2) Power on;
3) Press the SET key over 5s ,enter to the setup mode
4) Tap press SET key, rolling down setting the parameters;
5) To set the [C-D-P]
places.To
press
Modify the Decimal
the
lefe
key,the
parameters
is
ﬂashing ,press the up or down key to adjust the place of
Decimal point.Press the set key to comﬁrm.
6) To press the set key to set [C-P]
set the
total ﬂow parameters . press the left key the number
ﬂashing, press the up or down to set the parameter.
If the MD-M12 K=0.17Ml /p, to set the 0.017
7) Press to set the[F-P]
(Unit: L)
To set the instance
ﬂow.If the MD-M12 K=17mL/p,The unit is ml the parameters
may be 17*60/1000=1.02
8)Press to set the [RAN]
(unit: L/M)
Set the instance
ﬂow plae of Decimal point ,tap the lefe key the parameters is
ﬂashing ,press the up or down key to set the Decimal point.
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Key features

9-36VDC or 90-265VAC power
Double LED and 6-digit display
EEPROM data memory
Modulus setting
Manual and automatic reset
Data memory with power off
CE certification and EMC Anti-interference
Adjustable output hold time
Instantaneous and total flow measurement

Frequently asked questions

The MD-M12 accepts square wave, positive wave pulse signals with a voltage range of 2V to 30V for high signals and 0V to 1V for low signals.

To modify the decimal point, enter setup mode by pressing the SET key for 5 seconds, then scroll down to the parameter [C-D-P]. Press the LEFT key to make the parameter flash, and use the UP or DOWN keys to adjust the decimal point. Confirm with the SET key.

Press the SET key to select [C-P], then press the LEFT key to make the parameter flash. Use the UP or DOWN keys to set the parameter based on the sensor's K factor. For example, if the K factor is 0.065 mL/M, set C-P to 0.065.