MG KAPU User manual

BEFORE USE ....
Thank you for choosing us. Before use, please check con-
tents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact our sales office or representatives.
■PACKAGE INCLUDES:
Signal conditioner
(body + base socket + input resistor) .................................(1)
Input resistor is provided only with current input type.
■MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.
POINTS OF CAUTION
■POWER INPUT RATING & OPERATIONAL RANGE
• Locate the power input rating marked on the product and
confirm its operational range as indicated below:
AC power: Rating ±10%, 50/60 ±2 Hz, approx. 2VA
DC power: Rating ±10%, approx. 2W
■GENERAL PRECAUTIONS
• Before you remove the unit from its base socket or mount
it, turn off the power supply and input signal for safety.
■ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the
air, install the unit inside proper housing with sufficient
ventilation.
• Do not install the unit where it is subjected to continuous
vibration. Do not subject the unit to physical impact.
• Environmental temperature must be within -5 to +55°C
(23 to 131°F) with relative humidity within 30 to 90% RH
in order to ensure adequate life span and operation.
■WIRING
• Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).
• Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.
■AND ....
• The unit is designed to function as soon as power is sup-
plied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.
COMPONENT IDENTIFICATION
Specifications
SPAN
ZERO
CUTOUT
ADJ.
CUTOUT
OUTPUT
RANGE PULSE
WIDTH ADJ
Body Base Socket
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Input Resistor
INSTALLATION
Detach the yellow clamps located at the top and bottom of
the unit for separate the body from the base socket.
Clamp
(top & bottom)
DIN Rail
35mm wide
Spring Loaded
DIN Rail Adaptor
Shape and size of the base socket
are slightly different with various
socket types.
■DIN RAIL MOUNTING
Set the base socket so that its
DIN rail adaptor is at the bot-
tom. Hang the upper hook at
the rear side of base socket on
the DIN rail and push in the
lower. When removing the
socket, push down the DIN
rail adaptor utilizing a minus
screwdriver and pull.
■WALL MOUNTING
Refer to “EXTERNAL DI-
MENSIONS.”
DC/FREQUENCY CONVERTER
(selectable range) MODEL KAPU
EM-3582 Rev.11 P. 1 / 4
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
INSTRUCTION MANUAL

TERMINAL CONNECTIONS
Connect the unit as in the diagram below or refer to the connection diagram on the front of the unit.
When an input resistor is provided with the module, attach it together with input wiring to the input screw terminals.
■EXTERNAL DIMENSIONS unit: mm (inch)
3456
2187
80 (3.15)
50 (1.97) 103 (4.06)
123 (4.84) [3.3 (.13)]
80 (3.15)
20
(.79)
40 (1.57)
50 (1.97)
7.8 (.31)
CLAMP
(top & bottom)
DIN RAIL
35mm wide
2
–
4.5 (.18) dia.
MTG HOLE
15 (.59) deep
8
– M3.5
SCREW
• When mounting, no extra space is needed between units.
■CONNECTION DIAGRAM
■Open Collector
Output Connection Examples
■Relay Contact
•AC Powered
+
–
1
2
+
–
1
2
■Voltage Pulse
+
–
1
2
+
–
LOAD
Relay or
Counter Coil
Varistor or Spark
Quenching Circuit
•DC Powered
1
2LOAD
Relay or
Counter Coil
U
+
–
+
–
*
*Input shunt resistor attached for current input.
INPUT
3
OUTPUTR
4
1
2
U(+)
V(–)
POWER
7
8
Spark Quenching
Diode
■TERMINAL ASSIGNMENTS unit: mm (inch)
56
2187
34
12 (.47)
INPUT RESISTOR
(model: REM)
Input shunt resistor attached
for current input.
KAPU
EM-3582 Rev.11 P. 2 / 4
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

CHECKING
1) Terminal wiring: Check that all cables are correctly con-
nected according to the connection diagram.
2) Power input voltage: Check voltage across the terminal
7 – 8 with a multimeter.
3) Input: Check that the input signal is within 0 – 100% of
the full-scale.
4) Output: Check that the load resistance meets the de-
scribed specifications shown below.
OUTPUT LOAD REQUIREMENTS
Open collector 50V DC @50mA max.
Relay contact 120V AC @200mA max. (cosø=1)
24V DC @200mA max. (resistive load)
5V pulse 600 Ω min.
24V pulse 800 Ω min.
ADJUSTMENT PROCEDURE
This unit is calibrated at the factory to meet the ordered
specifications, therefore you usually do not need any cali-
bration.
For matching the signal to a receiving instrument or in case
of regular calibration, adjust the output as explained in the
following.
■HOW TO CALIBRATE THE OUTPUT SIGNAL
Connect a signal generator to the input terminal and a fre-
quency counter to the output terminal.
Zero Adj.
Span Adj.
Low-End Cutout
Monitor LED
Range Selector
Low-End Cutout
Adjustment Pulse Width Adj.
• Output Range Adjustment (coarse range)
1) Select an appropriate coarse range in the table to the
right, and set the front accessed Range Selector.
• Zero/Span Adjustments
1) First nullify Low-end Cutout Adj. to 0%.
2) ZERO (fine range): Apply 5% input and adjust output to
5%.
2) SPAN (fine range): Apply full-scale (100%) input and ad-
just output to 100%.
3) Check ZERO adjustment again with 5% input.
4) When ZERO value is changed, repeat the above proce-
dure 1) – 3).
Note: The output frequency is precisely doubled by turning
Range Selector by 1 division to the counterclockwise
direction. In order to quickly make low frequency range
adjustments, conduct fine adjustment first with a higher
coarse range, and then change coarse range to the actual
one.
• Low-end Cutout Adjustment
1) Apply the desired input to be eliminated.
2) Turn the Low-end Cutout Adj. clockwise until the Cutout
LED is turned on.
3) Turn it slowly counterclockwise to the exact position
where the Cutout LED is still on but will be turned off if
it turned further counterclockwise.
• Output Pulse Width Adjustment
The pulse width is adjusted at the factory until the duty
ratio becomes 50% of the maximum frequency. If this value
lies outside of the adjustable range, either maximum or
minimum selectable value will be used.
If the pulse width needs to be changed, go through the fol-
lowing procedures.
1) Turn the Pulse Width Adj. fully counterclockwise.
2) Apply 100% input and turn it slowly clockwise until the
output device (e.g. counter) operates.
■FREQUENCY RANGES
• Open Collector, 5V Pulse
SW No. SPAN RANGE
MIN. (50%) MAX. (100%)
0 0 – 5 kHz 0 – 10 kHz
1 0 – 2.5 kHz 0 – 5 kHz
2 0 – 1.25 kHz 0 – 2.5 kHz
3 0 – 625 Hz 0 – 1.25 kHz
4 0 – 312 Hz 0 – 625 Hz
5 0 – 156 Hz 0 – 312 Hz
6 0 – 78 Hz 0 – 156 Hz
7 0 – 39 Hz 0 – 78 Hz
8 0 – 20 Hz 0 – 39 Hz
9 0 – 10 Hz 0 – 20 Hz
A 0 – 5 Hz 0 – 10 Hz
B 0 – 2.5 Hz 0 – 5 Hz
C 0 – 1.25 Hz 0 – 2.5 Hz
D 0 – 36 pulses/min. 0 – 1.25 Hz
E 0 – 18 pulses/min. 0 – 36 pulses/min.
F 0 – 9 pulses/min. 0 – 18 pulses/min.
• Middle Range Frequency Open Collector & 5V Pulse
SW No. SPAN RANGE
MIN. (50%) MAX. (100%)
0 Not Used Not Used
1 Not Used Not Used
2 Not Used Not Used
3 Not Used Not Used
4 Not Used Not Used
5 0 – 156 Hz 0 – 312 Hz
6 0 – 78 Hz 0 – 156 Hz
7 0 – 39 Hz 0 – 78 Hz
8 0 – 20 Hz 0 – 39 Hz
9 0 – 10 Hz 0 – 20 Hz
A 0 – 5 Hz 0 – 10 Hz
B 0 – 2.5 Hz 0 – 5 Hz
C 0 – 1.25 Hz 0 – 2.5 Hz
D 0 – 36 pulses/min. 0 – 1.25 Hz
E 0 – 18 pulses/min. 0 – 36 pulses/min.
F 0 – 9 pulses/min. 0 – 18 pulses/min.
KAPU
EM-3582 Rev.11 P. 3 / 4
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

• Relay Contact, Low-Freq. Open Collector & 5V Pulse, 24V Pulse
SW No. SPAN RANGE
MIN. (50%) MAX. (100%)
0 0 – 65 pulses/min. 0 – 130 pulses/min.
1 0 – 32 pulses/min. 0 – 65 pulses/min.
2 0 – 16 pulses/min. 0 – 32 pulses/min.
3 0 – 8 pulses/min. 0 – 16 pulses/min.
4 0 – 4 pulses/min. 0 – 8 pulses/min.
5 0 – 2 pulses/min. 0 – 4 pulses/min.
6 0 – 1 pulses/min. 0 – 2 pulses/min.
7 0 – 0.5 pulses/min. 0 – 1 pulses/min.
8 0 – 0.25 pulses/min. 0 – 0.5 pulses/min.
9 0 – 8 pulses/hour 0 – 0.25 pulses/min.
A 0 – 4 pulses/hour 0 – 8 pulses/hour
B 0 – 2 pulses/hour 0 – 4 pulses/hour
C 0 – 1 pulses/hour 0 – 2 pulses/hour
D 0 – 0.5 pulses/hour 0 – 1 pulses/hour
E 0 – 0.24 pulses/hour 0 – 0.5 pulses/hour
F 0 – 0.12 pulses/hour 0 – 0.24 pulses/hour
MAINTENANCE
Regular calibration procedure is explained below:
■CALIBRATION
Warm up the unit for at least 10 minutes. Apply 0%, 5%,
25%, 50%, 75% and 100% input signal. Check that the out-
put signal for the respective input signal remains within
accuracy described in the data sheet. When the output is
out of tolerance, recalibrate the unit according to the “AD-
JUSTMENT PROCEDURE” explained earlier.
LIGHTNING SURGE PROTECTION
We offer a series of lightning surge protector for protec-
tion against induced lightning surges. Please contact us to
choose appropriate models.
KAPU
EM-3582 Rev.11 P. 4 / 4
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN