![background image](http://html1.mh-extra.com/html/aandd/ad-8922/ad-8922_instruction-manual_3078886033.webp)
31
Circuit
Connection to the weighing instrument
Connection to an external device
D-Sub 9-pin (BALANCE/SCALE)
DIN 8-pin (ANALOG.OUT)
Pin
No.
Signal
name
Direction Description
Pin
No.
Signal
name
Direction
Description
1
⎯
⎯
N.C.
1
⎯
⎯
N.C.
2 RXD Input
Receive
data
2 AG
⎯
Analog
ground
3 TXD Output
Transmit
data
3 TXD Output
Transmit
data
4
⎯
⎯
N.C.
4
⎯
⎯
N.C.
5 SG
⎯
Signal
ground
5 SG
⎯
Signal
ground
6
DSR
Input
Data set ready
6
DSR
Output
Data set ready
7
⎯
⎯
N.C.
7 AOUT Output
Analog
output
8
⎯
⎯
N.C.
8 RXD Input
Receive
data
9
⎯
⎯
N.C.
(AD-8922 is a DTE. Connects to a DCE such
as a weighing instrument using a straight
through cable.)