1.
Check before Use
Thank you for purchasing our A7000 series. The operator who
uses the instrument should keep this manual on hand. When you
receive the product, make sure that you have all the parts and that
none have been damaged during transportation. If any part is
damaged or missing, contact your sales representative or our sales
office directly.
1.1.
Type Configuration
The type configuration of the A7000 series is as shown below.
Check that there is no difference in the type or specifications
between the product you ordered and the product you have
received.
2.
Mounting Method
2.1.
Panel Cutout Dimensions
For panel cutout made when mounting the A7000 series
measuring unit, follow the figure below.
2.2.
Panel Mounting Method
To mount the A7000 series measuring unit onto a panel, remove
the mounting band from the main unit, fit the unit into the panel from
the front of the panel, and fix it using the mounting band removed
from the rear of the panel. If you wish to increase the strength of the
mounting, attach fixing supports with screws as shown in the figure
below. For fixing supports and screws, contact your sales
representative or our sales office.
3.
Description of Terminals and Connection
3.1.
Connecting Power
Instruction Manual for MODEL A7X1A-X(Load Cell Input) 1/12
Operation Manual for the A7000 Series
Load Cell Input: A7X1A-X
Mounting band
Lugs
Fixing support
Plastic screw
M3
×
20
Output section (different configuration for BCD
output)
Power section
Input section
！
(1) Application of voltage or current exceeding the maximum allowable value to the
input section may damage the instrument.
(2) Use the supply voltage in the allowable range. Using it out of this range may
result in fire, electric shock, or an instrument failure.
(3) Please note that the information contained in this manual is subject to change
due to product improvements without notice.
(4) Every effort has been made to ensure accuracy in the presentation of this
manual. However, should you have any questions or should any errors or
omissions come to your attention, please contact your sales representative or our
sales office directly.
(5) After reading, keep this manual nearby so that you can refer to it as needed.
CAUTIONS
96 mm or more
+
0
.6
-0
3
3
68
-0
+0.7
58
m
m
o
r m
or
e
CAUTIONS
！
(1) Mount the instrument securely on a surface that will be able to bear its weight.
Insufficient strength for mounting or incorrect mounting may result in the instrument
falling and injuring personnel.
(2) The A7000 series has no power switch. Connecting power to the instrument
makes the product immediately operable.
(3) If the instrument is installed inside equipment to heat radiation, etc., and ensure
that the in-equipment temperature does not rise above 50°C.
①
②
+
12 to 48V DC
100 to 240V AC(50/60Hz)
Recommended
Torque:0.5Nm
5.8 or less
5.8 or less
Applicable crimp terminal
Terminal No.
1
Power
Power connection terminal. 0V for DC driving
2
Power
Name
Description
Power connection terminal. +V for DC driving
WATANABE ELECTRIC INDUSTRY CO.,LTD.
UW-33813L
2020.12
Ａ７
１
－
A:RS-485
9:RS-232C
0:None
1:Relay contact output
7:Analog output
3:BCD output (TTL)
4:BCD output (Open collector)
Output
2:Photocoupler output
5:BCD output (TTL)
+ Photpcoupler output
6:BCD output (Open collector) + Photpcoupler output
8:Analog Photocoupler output
C:RS-485 + Photocoupler output
B:RS-232C + Photocoupler output
1:DC voltage measurement(
±
100mV,
±
1V,
±
10V,
±
100
Ｖ，
or
±
700
Ｖ
measurement
3:DC large current measurement(
±
1
A or ±
2Ameasurement)
2:DC small current measurement(
±
100
μ
A,
±
1mA,
±
10mA,
or±
100mA measurement
4:AC voltage measurement(100mV,1V,10V,100V,
or 700V measurement)
5:AC small current measurement(100
μ
A,1mA,10mA,or 100mA
measurement)
6:AC large current measurement(1A or 5Ameasurement)
7:Resistance measurement
8:Temperature measurement(TC,RTD)
9:Frequency measurement
B:Process signal measurement(1 to 5V,
±
5V ,4 to 20mA,or
±
20mA measurement)
Input
A:Load cell input
1:AC power(100 to 240V AC,50/60Hz)
2:DC power(12 to 48V DC)
Power