24 7821 User Instructions
Communication
USB VCP
Allows the base to connect directly to PC using the USB port connection.
PC USB port still needs to be setup to match scale b aud rate communications.
Scale baud and parity needs to be set to the default setting 96E (baud 9600, Parity:
even) as shown in Baud Rate and Parity Options on page 15.
USB HID
Used to connect to a dedicated PC terminal where the Avery Weigh-Tronix OPOS or
UPOS (POS.NET) drivers have been integerated into a 3
rd
party software application.
6.2 Serial Communications Protocol
For command/response descriptions, please refer to the following Avery Weigh-Tronix
NCI Serial Communications Documents:
NCI Standard Protocol: 8408-14788-01 (W, S, Z, H, U, M only)
8213 Protocol: 8408-14788-03
NCI 3835 Protocol: 8408-14788-12
Driver required when connected to a PC. Download driver from the password
protected portion of www.averyweigh-tronix.com.
Once a computer is connected to the USB HID port, the RS232 and USB VCP ports
will be inactive until the computer is disconnected and power is cycled on the scale.
The Baud should be set to 9600, Even Parity and the Protocol needs to be set to NCI.
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