I N T E R F AC E M O D E L 9 8 4 0
MO D E L 9 8 4 0 P G 5 8
P U B .
6 0 3 2 - 0 1
APPENDIX B -- CABLES AND CONNECTORS
Load Cell Connectors
Notes:
1. If the sense lines are not used, SENSE - HI must
be tied to EXCITE - HI and SENSE - LO must be
tied to EXCITE - LO.
2. Incorrect wiring of these ports can cause damage
to the internal circuitry of the unit. Please contact
Interface if you have questions or need assistance
with these configurations.
Serial Port Connector
Notes:
1. Pins 1 through 4 are used for RS232 ASCII
command set communications. Use 8 data bits, no
parity, 1 stop, and set the baud rate using the Com
baud rate entry on the System Options menu.
DB9 Female
Pin
Signal
1
EXCITE - HI
2
SENSE - HI
1
3
CELL OUTPUT - HI
4
CELL OUTPUT - LO
5
SENSE - LO
1
6
EXCITE - LO
7
AUTO ID/TEDS
OPT
-
A
8
AUTO ID/TEDS
OPT
-
B
9
CHASSIS GND
DB 15 Male
Pin
Signal
1
TXD
2
RXD
3
No Connect
4
SERIAL GND
5
6
7
8
9
10
11-13
14
15
