106
Pin Assignment Chart
Female Interface Connector:
12-contact, with screw-lock
hardware for cable gland
Male Connector Required:
Type C091D, 12-pin round male
connector with screw-lock
hardware, Amphenol (IP65);
Sartorius order no.: 69QC0010.
!Warning When Using Pre-wired
RS-232 Connecting Cables!
RS-232 cables purchased from other
manufacturers often have incorrect
pin assignments for use with Sartorius
scales. Be sure to check the
pin assignment against the chart
below before connecting the cable,
and disconnect any lines marked
“Internally Connected” (e.g., pin 6).
Failure to do so may damage
or even completely ruin your scale
and/or peripheral device.
Pin Assignment Chart:
12-pin round 25-pin RS-232 signal RS-485* signal
connector adapter (SBI and xBPI) (xBPI)
A 18 Ctrl. output “heavier” Ctrl. output “heavier”
B 2 Data output (TxD) RxD – TxD – N
C 3 Data input (RxD) RxD – TxD – P
D 20 Data Terminal Ready (DTR)
E 7, 8, 14 Signal GND Signal GND
F 13, 25, 12 +5 V output +5 V output
G 16 Ctrl. output “lighter” Ctrl. output “lighter”
H 5 Clear to Send (CTS)
J 17 Ctrl. output “equal” Ctrl. output “equal”
K 15 Universal switch** Universal switch**
L 19 Ctrl. output “set” Ctrl. output “set”
M 11 +12 V output +12 V output
Connect shield with low ohms to the housing.
* Optional – only with a special data output – see “Accessories” section
** See the “Extra Functions” section for information on the universal remote
switch functions
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