MRC PDT-2250 Manuale utente
Your purchase of this RPM CONTROLLER/MONITOR marks
a step forward for you into the field of precision
measurement. Although this CONTROLLER is a complex
and delicate instrument, its durable structure developed.
Please read the following instructions carefully and
always keep this manual within easy reach.
OPERATION MANUAL
RPM CONTROLLER
MONITOR
Model : PDT-2250
PLEASE READ THIS MANUAL CAREFULLY BEFORE OPERATION
MRC.11.20
Caution Symbol
Caution :
* Risk of electric shock !
Caution :
* Do not use fingers or any tool
to touch the Wire Terminals.
* Do not apply the relay contact load
current > 0.5 Amp.
* The instrument contains no user
serviceable parts and should not
be opened by the user.
* Repair or after service should be
done by a qualified technician only.
* Power supply should apply the
correct ACV power voltage
*Cleaning - Only use the dry cloth to
clean the plastic case !
*Equipment protected throughout
by Double Insulation or Reinforced
Insulation.
Environmental Condition
* Comply with EN61010.
Transient overvoltage at Mains Supply 2500V.
* Pollution Degree 2.
* Altitude up to 2000 meters.
* Indoor use.
* Relative humidity 80% max.
TABLE OF CONTENTS
1.FEATURES.................................................................1
2.SPECIFICATIONS.......................................................1
2-1 General Specifications..........................................
.
1
2-2 Electrical Specifications........................................
.
3
3.FRONT PANEL DESCRIPTION.....................................
.
4
3-1 Display................................................................4
3-2 PV ( process value ) indicator...............................
.
4
3-3 SV ( set value ) indicator......................................4
3-4 Set Button...........................................................4
3-5 Button............................................................
.
▼4
3-6 Button............................................................
.
▲4
3-7 Function Button................................................... 4
3-8 Control relay indicator..........................................4
3-9 Alarm relay indicator............................................4
3-10 RPM indicator....................................................
.
4
3-11 ft/min indicator..................................................4
3-12 m/min indicator................................................. 4
3-13 Wire terminals...................................................
.
4
3-14 Case holder ......................................................
.
4
3-15 RS232 terminal.................................................. 4
4.MEASURING PROCEDURE..........................................
.
5
4-1 Terminal connection.............................................5
4-2 RPM measurement...............................................6
4-3 Surface speed ( m/min., ft/min. )
measurement......................................................6
4-4 1st layer setting procedures.................................
.
8
4-5 2nd layer setting procedures................................
.
10
5. RS232 PC SERIAL INTERFACE....................................14
6. SYSTEM RESET.........................................................15
7. OPTIONAL PROXIMITY SENSOR, PX-01 .....................16
8.
T
HE ADDRESS OF AFTER SERVICE CENTER................
.
17
1. FEATURES
* Professional Tachometer ( RPM, m/min., ft/min. )
monitor and controller.
* Build in control relay and the alarm relay.
* Alarm Relay will make action when the reading value
reach to high/low alarm value.
* Control Relay will make action when the reading value
reach to control value.
* Hysteresis value setting for control and alarm function.
* Can set input pulse no. of each round.
* Can set the roller's diameter for the surface speed
( m/min., ft/min. ) function.
*Can cooperate the optional proximity sensor or photo
sensor.
*Large red LED display, high brightness and easy to read.
* RS232 computer interface.
* Microprocessor circuit ensures high accuracy and
provides special functions and features.
* Standard 96 X 48 mm DIN case.
* Optional data acquisition software.
* Optional GSM controller.
2. SPECIFICATIONS
2-1 General Specifications
Display 4 digits red LED, digit size : 14 mm.
Unit RPM RPM
Surface m/min ( meter per min. )
speed ft/min ( feet per min. )
Circuit Custom chip of microprocessor LSI
circuit.
1
Sampling Time Approx. 1 second.
* Input : one pulse per round, 60 RPM≧
Relay Output Number 2 relays
Function
Relay 1 :
Control relay.
Relay 2 :
High/Low alarm relay.
Max load 0.5 ACA/250 ACV
0.5 DCA/24 DCV
*
Do not apply the rela
y
contact load current
> 0.5 A, other wise th
e
relay may be dama
g
ed
permanently without
warranty.
Setting Value Control value setting.
Alarm high limit value setting.
Alarm low limit value setting.
Pulse no. of each round.
Roller diameter value setting.
Hysteresis value setting.
* Setting for RPM, m/min., ft/min.
Input Signal Pulse
Time base Quartz crystal
External DC 12 V, 50 mA max.
Power Supply
Data Output RS 232 PC serial interface.
Operating 0 to 50 .℃
Temperature
Operating Less than 80% R.H.
Humidity
Power Supply 90 to 260 ACV, 50/60 Hz.
Power Approx. 4.7 VA/AC 110V.
Consumption Approx. 5.3 VA/AC 220V.
Weight 384 g/ 0.84 LB.
Dimension DIN size : 96 x 48 mm.
Depth : 110 mm.
2
Accessories Instruction manual......................1 PC
Included Case holder with screw...............
.
2 PCs
Optional * Proximity sensor, PX-01.
Accessories * Photo sensor, PI-06.
* Data Acquisition software,
SW-U801-WIN.
*RS232 cable, UPCB-02.
* USB cable, USB-01.
* GSM controller, GSM-889.
* Interface cable ( cable between meter
to GSM-889 ), GMCB-89.
2-2 Electrical Specifications (23±5 )℃
Range
Photo Tachometer :
10 to 99,999 RPM
Surface Speed ( m/min. ) :
0.05 to 9,999 m/min.
Surface Speed ( ft/min. ) :
0.2 to 32,805 ft/min.
Accuracy ± ( 0.1 % + 1 digit ).
Resolution RPM 0.1 RPM < 1,000 RPM
1 RPM 1,000 to 9,999 RPM
10 RPM 10,000 to 99,999 RPM
m/min. 0.01 m/min
.
< 100 m/min.
0.1 m/min. 100 to 999 m/min.
1 m/min. 1,000 to 9,999 m/min.
ft/min. 0.1 ft/min. < 1000 ft/min.
1 ft/min. 1,000 to 9,999 ft/min.
10 ft/min. 10,000 to 32,805 ft/min.
*
Above specification tests under the environment RF Field Stren
g
th less than
3
V
/M & frequency less than 30 MHz only.
3
3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Display
3-2 PV ( process value ) indicator
3-3 SV ( set value ) indicator
3-4 Set Button
3-5 Button▼
3-6 Button▲
3-7 Function Button
3-8 Control relay indicator
3-9 Alarm relay indicator
3-10 RPM indicator
3-11 ft/min indicator
3-12 m/min indicator
3-13 Wire terminals
3-14 Case holder
3-15 RS232 terminal
4
4. MEASURING PROCEDURE
Terminal layout Fig. 2
4-1 Terminal connection
1)Input the ACV power ( 90 to 260 ACV ) to T1, T2.
Do not input the
over voltage to the
AC input terminals.
2)Connect the " Control Relay " output from T3, T4.
Connect the " Alarm Relay " output from T5, T6.
3)Connect the following optional sensor ( or similar sensor ).
* Proximity sensor, PX-01.
* Photo sensor, PI-06.
to the input terminal T8, T9, T10.
T8 is DC 12 V power supply terminal.
T9 is the ground ( - ) terminal.
T10 is the pulse input terminal.
5
4-2 RPM measurement
1)Power on the meter, the " Display " ( 3-1, Fig. 1 ).
2)Press the " Function Button " ( 3-7, Fig. 1 ) once until
the " RPM indicator " ( 3-10, Fig. 1 ) and the " PV
indicator " ( 3-2, Fig. 1 ) is lit.
The " Display " ( 3-1 , Fig. 1 ) will show the RPM value.
3) The RPM value equal :
Total input signal ( pulse ) per min.
÷ ( divide )
setting pulse no. per round
For example :
If the total signal ( pulse ) input per minute
is 5, 124, the setting pulse no. per round is 1,
the RPM value will be 5,124/1=5,124.
The procedures that to set the
*" Pulse no. per round "
refer to the page 10 " 4-5 2nd layer setting procedures ".
4-3 Surface speed ( m/min., ft/min. )
measurement
1)Power on the meter, the " Display " ( 3-1, Fig. 1 ).
2)* Press the " Function Button " ( 3-7, Fig. 1 ) once until
the " m/min indicator " ( 3-12, Fig. 1 ) is lit. The "
Display " ( 3-1 , Fig. 1 ) will show the m/min. value.
* Press the " Function Button " ( 3-7, Fig. 1 ) once until
the " ft/min indicator " ( 3-11, Fig. 1 ) is lit. The "
Display " ( 3-1 , Fig. 1 ) will show the ft/min. value.
* Under the surface speed measurement, the
" PV indicator " ( 3-2, Fig. 1 ) will light too.
6
3) The m/min. value equal :
Total input signal ( pulse ) per min.
÷ ( divide )
setting pulse no. per round
x ( multiple )
setting roller diameter ( cm )
x ( multiple )
3.14
÷ ( divide )
100 1 meter = 100 cm
For example :
If the total input signal ( pulse ) per minute
is 501, the setting pulse no. per round is 1,
the roller diameter is 10 cm
the m/min. value will be 501/1x10x3.14/100=157.3
The ft/min. value equal :
Total input signal ( pulse ) per min.
÷ ( divide )
setting pulse no. per round
x ( multiple )
setting roller diameter ( cm )
x ( multiple )
3.14
÷ ( divide )
30.48 1 ft = 30.48 cm
7
Indice
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