Interface Pin Assignment Chart COM2
Model type
CAW3P
(IP44 protection)
COM1
female connectors:
25-pin D-Submini female connector (DB25S) with screw lock hardware for cable
gland
6
5
1
9
Recommended interface connector:
25-pin D-Submini (DB25) with shielded cable clamp assembly and shield plate
(Amp type 826 985-1C) and fastening screws (Amp type 164868-1)
COM1 pin assignments
Pin 1:
Shield
Pin 2:
Data output (TxD)
Pin 3:
Data input (RxD)
Pin 4:
GNO
Pin 5:
Clear to send (CTS)
Pin 6:
Not assigned
Pin 7:
Internal ground (GND)
Pin 8:
Internal ground (GND)
Pin 9:
Not assigned
Pin 10: Not assigned
Pin 11: +12 V for printer
Pin 12: RES_OUT\
Pin 13: +5 V switch
Pin 14: Internal ground (GND)
Pin 15: Universal switch
Pin 16: Control output: “lower“
Pin 17: Control output: “equal“
Pin 18: Control output: “heavier“
Pin 19: Control output: “set“
Pin 20: Data terminal ready (DTR)
Pin 21: Ground power supply (GND)
Pin 22: Not assigned
Pin 23: Not assigned
Pin 24: Power 15..25 V (peripherals)
Pin 25: +5 V
Getting Started
Operating Instructions Combics Complete Scales
17
Summary of Contents for Combics CAH3
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