A&D AD-8922A User manual

1WMPD4002022B

© 2009 A&D Company Ltd. All rights reserved.
No part of this publication may be reproduced, transmitted, transcribed, or translated into
any language in any form by any means without the written permission of A&D Company
Ltd.
The contents of this manual and the specifications of the instrument covered by this manual
are subject to change for improvement without notice.

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CONTENTS
1. INTRODUCTION...................................................................................................................... 5
1.1. Outline ................................................................................................................................. 5
1.2. Applicable Instruments ........................................................................................................ 6
1.3. Compliance.......................................................................................................................... 7
2. DESCRIPTION OF EACH PART ............................................................................................. 8
2.1. Display................................................................................................................................. 9
2.2. Key Operation...................................................................................................................... 9
2.3. Connectors .......................................................................................................................... 9
3. GETTING READY.................................................................................................................. 10
3.1. Setting the Weighing Instrument and the AD-8922A .......................................................... 10
3.2. Connecting the AD-8922A ................................................................................................. 10
3.3. Turning the Power On........................................................................................................ 11
3.4. Operation........................................................................................................................... 11
3.5. Example of Use ................................................................................................................. 11
4. FUNCTION SETTINGS.......................................................................................................... 13
4.1. Display and Keys............................................................................................................... 13
4.2. Function Table ................................................................................................................... 14
4.3. Initialization........................................................................................................................ 16
5. Troubleshooting ................................................................................................................... 17
6. Specifications....................................................................................................................... 17
7. RS-232C SERIAL INTERFACE ............................................................................................. 18
8. External dimensions ............................................................................................................ 19
8.1. Installing to Wall................................................................................................................. 20
9. OPTIONS............................................................................................................................... 21
9.1. Confirming the AD-8922A Software Version....................................................................... 21
9.2. Installing the Option ........................................................................................................... 22
10. BCD OUTPUT (AD-8922A-01) .............................................................................................. 23
10.1.BCD Output Specifications ................................................................................................ 23
10.2.Setting of the Decimal Point Position ................................................................................. 27
11. COMPARATOR OUTPUT (AD-8922A-04) ............................................................................. 28
11.1. Comparator Output Specifications ..................................................................................... 28
11.2. Using the Comparator Output ............................................................................................ 30
11.3. Setting the Upper and Lower Limit Values ......................................................................... 31
12. CURRENT LOOP INPUT (AD-8922A-05).............................................................................. 33
12.1.Current Loop Input Specifications ...................................................................................... 33

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13. ANALOG OUTPUT (AD-8922A-06)....................................................................................... 35
13.1.Analog Output Specifications............................................................................................. 35
13.2.Function setting ................................................................................................................. 37
13.3.Switching Output Voltage................................................................................................... 38
13.4.Output Voltage Fine Adjustment......................................................................................... 38
13.5.Fixed Output Voltage ......................................................................................................... 39
14. ACCESSORIES (CABLE LIST)............................................................................................. 40

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1. INTRODUCTION
The AD-8922A is a remote controller. Read this manual completely before using the AD-8922A in order
to ensure a sufficient understanding for proper use.
1.1. Outline
The AD-8922A is connected to an A&D manufactured weighing instrument, using the RS-232C serial
interface.
Displays the weighing data transmitted by the weighing instrument.
Key operations remotely control the weighing instrument.
(Entering the function setting mode of the weighing instrument is not available. Available operations
depend on the weighing instrument used. See Table 2 in "1.2. Applicable Instruments".)
The data the AD-8922A receives can be output, using the RS-232C serial interface. So, external
devices such as a personal computer or a printer can be connected to the AD-8922A.
Can be panel-mounted.
Various options such as BCD output, comparator output, current loop input and analog output are
available. For details, refer to "9. OPTIONS" and the following relevant chapters.
When connected to the AD-4212C/D/F, the AD-8922A can change the response characteristic, adjust
the sensitivity of the AD-4212C/D/F using the external mass, and both instruments can share power.
(Power can be supplied to both instruments by plugging the AC adapter into either the AD-4212C/D /F
or the AD-8922A. For details, refer to "3.3. Turning the Power On".)

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1.2. Applicable Instruments
Applicable weighing instruments and what is required are shown in the table below.
Table 1 Applicable weighing instruments and what is required
Weighing instrument
What is required to connect to
a weighing instrument
Cable required to connect to
an external device such as
Option for the
instrument
Communications cable *1
(2-m length)
Personal
computer
AD-8127 compact
printer
AD-4212C/D None
(D-Sub 9-pin)
None
(Use the cable provided
for AD-4212) *2
AX-KO1786-200 AX-KO1786-200
AD-4212F
None
(D-Sub 9-pin)
AX-KO3590-XXX *3
GX, GF, GX-K, GF-K, GP,
AD-4212A/B, GR, MC
None
(D-Sub 25-pin)
Provided
(AX-KO1710-200)
GX-A, GF-A, GX-M,
GF-M, GX-L, GF-L, EK-i,
EW-i, EK-L, FC-i, FC-Si,
GH, HR-i, FZ, FX, BM,
HR-A/AZ
None
(D-Sub 9-pin)
Provided
(AX-KO2741-180)
EJ, HV-C, HV-C P, H W -C,
HW-CP
OP-03
(D-Sub 9-pin)
Provided
(AX-KO2741-180)
HV-G, HV-W P,
HW-G, HW-WP
None
(DIN 8-pin)
AX-KO1786-200
FG-L, FG-M
OP-23
(DIN 8-pin)
AX-KO1786-200
Notes
*1: The standard communications cables are AX-KO1710-200 and AX-KO2741-180. A substitute
communications cable may be provided as specified when ordering the AD-8922A.
*2: When connecting to the AD-4212C, use the AX-KO3590-1000 (10 m) cable, provided as
standard for the AD-4212C.
When connecting to the AD-4212D, use the AX-KO3590-200 (2 m) cable, provided as standard
for the AD-4212D.
*3: For “XXX”, choose from 200 (2 m), 500 (5 m), or 1000 (10 m).
The AD-8922A functions in two ways as follows, depending on the weighing instrument used:
A remote controller that displays the weighing data and remotely controls the weighing instrument.
A remote display that displays the weighing data.
Available key operations depend on the weighing instrument used, as shown below. Set the command
set " " of the function setting, appropriate to the weighing instrument.

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Table 2 Applicable weighing instruments and key operations
Weighing instrument
AD-8922A key
Command
set *5
ON:OFF
CAL
SAMPLE
PRINT
MODE
RE-ZERO
AD-4212C, AD-4212F
Turns the
weighing
instrument
display on
or off *1
Adjusts the
sensitivity
using the
external
mass
Switches the
Readability
*2
Outputs the
received
data to an
external
device *3
Switches the
response
characteristic
Sets the
display to
zero
AD-4212D
Adjusts the
sensitivity
using the
internal
mass
GX, GX-A, GX-M, GX-L,
GX-
K, GP, GH, FZ, MC,
BM, HR-AZ
Switches the
unit displayed
*4
GR
GF, GF-A, GF-M, GF-L,
GF-K, AD-4212A/B, HR-
i,
FX, HR-A

EK-i, EW-i, EK-L, EJ



FC-i, FC-Si, FG-L, FG-
M, HV-G, HV-W P, H W-
G,
HW-WP

Note: "" in the table indicates that the key operation is not available.
*1: Switching the standby or weighing mode is available for the AD-4212C/D/F.
*2: Not applicable to the counting mode and the percent mode.
*3: Available when the AD-8922A is in key mode (" " or " " of the function setting).
*4: Not available for the AD-4212A/B
*5: AD-8922A function settings
1.3. Compliance
Compliance with FCC Rules
Please note that this equipment generates, uses and can radiate radio frequency energy. This equipment
has been tested and has been found to comply with the limits of a Class A computing device pursuant to
Subpart J of Part 15 of FCC rules. These rules are designed to provide reasonable protection against
interference when equipment is operated in a commercial environment. If this unit is operated in a
residential area, it may cause some interference and under these circumstances the user would be
required to take, at his own expense, whatever measures are necessary to eliminate the interference.
(FCC = Federal Communications Commission in the U.S.A.)

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2. DESCRIPTION OF EACH PART
Note: Please confirm that the AC adapter type is correct for your local voltage and receptacle type.
A substitute communications cable, listed below, may be provided as specified when
ordering the AD-8922A.
•D-Sub 7-pin to D-Sub 9-pin (AX-KO1786-200)
If not specified,
•D-Sub 25-pin to D-Sub 9-pin (AX-KO1710-200)
•D-Sub 9-pin to D-Sub 9-pin (AX-KO2741-180)
When connecting to the AD-4212C/D, use the cable provided for the AD-4212C/D.
Do not use the cable provided for the AD-8922A.

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2.1. Display
Displays the weighing data and the unit (or mode) received. The unit (or mode) may be different from
that of the weighing instrument.
Turns on the stabilization indicator when the header of the weighing data received is "ST", "QT", or "WT".
Turns on the comparator indicator when the comparison results are added to the data received.
Applicable to GX-M, GF-M, GX-K, GF-K, GX-L, GF-L, GP and AD-4212A/B. (Function setting " ")
When nothing has been received for two seconds or more, the bar display [ ] appears. By
changing the function setting, the previous data received is displayed until the next data is received
(Hold display). During the hold display, the hold indicator is turned on.
Note: When the data is in eight digits, the highest-order digit is displayed in the upper left corner
as shown below.
For example, if the weighing data is 101.00000 g, the display is like
2.2. Key Operation
Available key operations to control the weighing instrument depend on the weighing instrument used. For
details, see Table 2 in "1.2. Applicable Instruments".
Set the command set " " of the function setting, appropriate to the weighing instrument.
To enter the function setting mode of the AD-8922A, press and hold the ON:OFF key and press the
CAL key.
The weighing instrument has its own function settings and the AD-8922A can not change those settings.
2.3. Connectors
Connector to the weighing instrument (BALANCE / SCALE) ... D-Sub 9-pin male
Used to connect to the weighing instrument. The cable used for connection depends on the instrument.
For details, refer to the instruction manual of the weighing instrument.
Connector to the external device (PC / PRINTER) ... DIN 8-pin female
Used to connect to an external device such as a personal computer or a printer (AD-8127). The cable
used for connection depends on the device. For details, refer to the instruction manual of the device.

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3. GETTING READY
3.1. Setting the Weighing Instrument and the AD-8922A
1. Set the data output mode of the weighing instrument to “Stream mode”.
For other settings, refer to the table below.
Table 3
Item
Weighing instrument
AD-8922A
Baud rate
600, 1200, 2400, 4800, 9600. 19200 bps
Data bits, Parity bit
7 bits - EVEN, 7 bits - ODD, 8 bits - NONE
Stop bits
1 bit or 2 bits
Terminator
<CR> or <CR><LF>
Data format
A&D standard format

Communication control
No RTS/CTS control

Data output mode
Stream mode*

Items in bold face type: Factory settings for both the AD-8922A and the weighing instrument.
* When connected to an external device, the settings can be changed to suit the use.
2. Set the command set " " of the function setting, appropriate to the weighing instrument. See Table
2 in "1.2. Applicable Instruments".
Note: Some items may not be available for the instrument used. For details on setting, refer to
the instruction manual of each weighing instrument.
When connected to an external device such as a personal computer or a printer, set the
output mode " " and time out " " of the function setting, and set the data output
mode of the weighing instrument, appropriate to the use. (See Table 3 in "3.5. Example
of Use".)
3.2. Connecting the AD-8922A
For information on cables required for connection, see Table 1 in "1.2. Applicable Instruments".
Connect the weighing instrument to the AD-8922A D-Sub 9-pin connector.
Connect an external device such as a personal computer or a printer to the AD-8922A DIN 8-pin connector.