Salter Brecknell 7680 - Manual (Page 31)

Model 7600 Family PWC User’s Manual 31
The NCI 7600 family scales come factory config-
ured as a serial RS-232 interface device. There
is one 9-pin DE type female connector accessible
at the rear of the unit. The functional pinout of
this connector is compatible with a standard PC
pass-through cable.
DE-9 Female Scale DE-9 Male Host
Pin Name Direction Pin Name Direction
1. JMP 1 - 1. DCD IN
2. TXD OUT 2. RXD IN
3. RXD IN 3. TXD OUT
4. JMP 1 - 4. DTR OUT
5. SGND - 5. GND -
6. JMP 1 - 6. DSR IN
7. JMP 2 - 7. RTS OUT
8. JMP 2 - 8. CTS IN
9. NC - 9. RI IN
The scale uses a DE-9 connector.
This standard is used by all NCI bench scale
products.
Symbol key:
End of Text character (03
hexadecimal).
Line Feed character (0A hex).
Carriage Return character (0D hex).
Space (20 hex).
x Character from display including
minus sign.
hhh Three status bytes.
uu Unit of measure using ANSI standard
abbreviations
Communications
Interface Cable
NCI STD
Communications
Protocol
* Jmp1 and Jmp2 pins
are connected
internally on the scale
PCB connector.