Diesse VES-MATIC EASY, Service Manual

Page: 64 / 76

Service Manual
Rev.1.1 of 15/04/2017
A-2 [TotPagAnnex: 14]
1. GENERAL SPECIFICATIONS FOR CONNECTING TO A BARCODE READER
Before connecting the external barcode reader it is recommended checking that:
a. This is fitted with a cable with a DB9 female connector in DTE set-up with a 5Vdc 9-pin power
supply (refer to the instruction manual of the barcode reader),
b. The signals on the DB9 female connector are compatible with the connector installed on the rear of
the instrument to which it is connected:
DB9 Male “EXTERNAL BARCODE” on system rear
PIN SIGNAL
2 [Tx] Data transmission towards the
reader (not used)
3 [RX] Date received from the reader
5 GND
9 + 5 V
TECHNICAL INFORMATION:
-
The electrical levels of the signals are of the standard RS232 type.
-
The communication is one-way from the barcode reader towards the machine.
-
The speed of the transmission is 9600 bit/s; the data format is of the type with 8 data bits, 1 stop bit
and no parity bit.
- The communication protocol is of the ASCII type; the barcode read must be terminated with the
Carriage Return (0x0d).
1. Connect the instrument to the external barcode.
Use the Barcode Model Z-3080 [Zebex] (or equivalent) with a connection cable type CAB 50607-R9
[Zebex] (or equivalent).