A&D AD-8920A Instruction Manual

AD-8920A REMOTE DISPLAY INSTRUCTION MANUAL

1. Introduction

The AD-8920A is a remote display for displaying the weighing data transmitted by an A&D
manufactured weighing instrument, using either RS-232C or current loop.
Applicable weighing instruments (electronic balances/platform scales) are listed below.
„ What the package contains
AD-8920A main unit
AC adapter
a
a
a
Identification label
(One each for AC adapter and cable)
Instruction manual (this leaflet) 1 copy
Communication cable (Approx. 1 m) 1 pc
When ordering, a cable appropriate to the
instrument connector type is included, selecting
one from below. (Refer to Table 1 for details.)
D-SUB9 cable / D-SUB25 cable / DIN cable
„ Accessories (Sold separately)
Communication cable (Approx. 5 m)
D-SUB9 cable AX-KO3412-05M
D-SUB25 cable AX-KO1864-05M
DIN cable AX-KO3413-05M
Communication cable (Approx. 10 m)
D-SUB9 cable AX-KO3412-10M
D-SUB25 cable AX-KO1864-10M
DIN cable AX-KO3413-10M
„ Connection diagram
When D-SUB9/D-SUB25 cable is used
Weighing
instrument
Communication
cable
Identification
label

2. Preparation

2-1. Setting the weighing instrument
(1) Set the data output mode to "Stream mode".
(2) For the other settings, refer to Table 2.
Item
Data output mode
Baud rate
Length, Parity bit
Stop bits
Terminator
Data format
CTS control
Output (hardware)
Note) The available items depend on the weighing instrument and may not be available when the settings are fixed.
For a detailed description of the settings, refer to the instruction manual for the weighing instrument used.
2-2. Connecting the AD-8920A
(1) Refer to Table 1 shown above to confirm that the communication cable is of the correct type.
(2) Disconnect the AC adapter from both the weighing instrument and the AD-8920A.
Refer to the connection diagram shown above to connect the AD-8920A to the weighing
instrument, using the specified communication cable.
Table 1 Applicable instruments, required options and cables (As of October, 2008)
1 unit
1 pc
AD-4212A/B
EK-H, EK-HR
2 pcs
EK-i, EW-i
ET-W, ET-WR
FC-i
FG
FG-M/L
FS
FX-i, FX-CT, FX-GD,
FXi-WP, FZ-i
GH, HR-300i/202i
GR
GX, GX-R, GF,
GX-K, GX-KR,
GF-K, GP, GP-R
HC-i
HR-200/120/60
HV-G/HW-G
When DIN cable is used
Weighing
AD-8920A main unit
instrument
AC adapter
Communication
Setting
Stream mode
600, 1200, 2400, 4800, 9600 bps
7 bits-even, 7 bits-odd, or 8 bits-none
1 bit or 2 bits
<CR> or <CR><LF>
A&D standard format
No control of CTS, RTS
RS-232C or current loop
Using RS-232C
Weighing
Option
instrument
required
None
OP-03H
None
OP-03W
None
OP-03
OP-23
OP-03
None
None
None
None
OP-03
OP-03
None
AD-8920A main unit
cable
Identification
label
Table 2 List of instrument settings
Outputs the weighing data continuously.
AD-8920A recognizes the baud rate automatically.
AD-8920A functions correctly with any one of those
AD-8920A functions correctly with either one.
AD-8920A functions correctly with either one.
AD-8920A recognizes the output mode automatically.
P-3/4
Using current loop
Communication Option
cable required
D-SUB25 cable
D-SUB25 cable OP-05H
D-SUB9 cable
D-SUB25 cable OP-05W
D-SUB9 cable
DIN cable OP-05
DIN cable
DIN cable
D-SUB9 cable
D-SUB9 cable
D-SUB25 cable
OP-04
D-SUB25 cable or
OP-06
DIN cable
OP-03 or
D-SUB25 cable
OP-05
DIN cable
CAUTION
The D-SUB9 cable (standard
or accessory) is for use only
with the AD-8920A.
If used with an older AD-8920,
it could blow the fuse or cause
other damage to the weighing
AC adapter instrument.
Attach the identification label
on the cable so that it will be
used only with the AD-8920A.
Description
Communication
cable
Not applicable
DIN cable
Not applicable
DIN cable
Not applicable
DIN cable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
DIN cable
Not applicable
DIN cable
Not applicable