Pin Assignment Charts
Female Interface Connector:
25-contact D-Submini (DB25S) with screw lock hardware
Male connector used (please use connectors with the same specifications):
25-pin D-Submini DB25S with integrated shielded cable clamp assembly
(Amp 826 985-1C) and fastening screws (Amp 164 868-1)
!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 weighing systems. Be sure to check the pin assignments against
the chart below before connecting the cable, and disconnect any lines identified differently
from those specified by Sartorius (e.g., pin 6).
Failure to do so may damage or even completely ruin your weighing system and/or
peripheral device.
Pin Assignment Chart:
Pin 1: Signal ground
Pin 2: Data output (T+D)
Pin 3: Data input (R+D)
Pin 4: Internal ground (GND)
Pin 5: Clear to send (CTS)
Pin 6: Internally connected
Pin 7: Internal ground (GND)
Pin 8: Internal ground (GND)
Pin 9: Reset _ In*)
Pin 10: Not connected
Pin 11: + 12 V
Pin 12: Reset _ Out *) For remote switch
Pin 13: + 5 V
Pin 14: Internal ground (GND)
Pin 15: Universal remote switch
Pin 16: Not connected
Pin 17: Not connected
Pin 18: Not connected
Pin 19: Not connected
Pin 20: Data terminal ready (DTR)
Pin 21: Ground input for external voltage supply
Pin 22: Not connected
Pin 23: Not connected
Pin 24: Ext. supply voltage input +12 to 30 V
Pin 25: +5 V
*) = Hardware restart
60
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