Specifications

Appendix 133
12.4.2 Z Commands via Barcodes
You can also scan barcode representations of the scale’s Z commands. This allows the scale operator to use the
scanner to initiate certain scanner functions:
12.4.3 Configuring the RS232C Port for a Scanner
An RS232C scanner must be connected to the main port (next to the keyboard port). The spec settings should be
as follows:
Note: For instructions on how to set the DC-200/300’s customer specifications, refer to Section 3.1.1.
• SPEC 15: SIO Select job to 3:BARCODE SCANNER
• SPEC 16: Baud Rates (SIO) to the proper baud rate for your scanner
• SPEC 17: Data Length (SIO) to the proper length for your scanner
• SPEC 18: Parity Bit (SIO) to the proper setting for your scanner
• SPEC 19: Stop Bit (SIO) to the proper setting for your scanner
• SPEC 38: BAR CODE SCANNER (BCS) WITH HEADER to
0:Enable or 1:Disable depending on
whether the barcodes you are scanning have headers or not (see Header Codes above).
12.4.4 Connecting the Scanner to the RS232C Port
12.4.5 Configuring the Keyboard Port for a Scanner
A wedge scanner (a type of scanner which emulates a keyboard) can be connected to the IBM KEYBRD port. If
you choose this option, the spec settings should be as follows:
Note: For instructions on how to set the DC-200/300’s customer specifications, refer to Section 3.1.1.
• SPEC 37: IBM KEYBOARD PORT to 0:Barcode Scanner
• SPEC 38: BAR CODE SCANNER (BCS) WITH HEADER to
0:Enable or 1:Disable depending on
whether the barcodes you are scanning have headers or not (see Header Codes above).
Z Command Function
Z0 Rezero
Z1 Print
Z2 Unit Weight Clear
Z3 Plus
Z4 Minus
Z5 Tare
Z6 Clear
ZS1 Scale 1
ZS2 Scale 2
ZS3 Scale 3
ZS4 Scale 4
Table 12-14. Z Command Functions
Pin Number Signal
2GND
4RXD
5TXD
7RTS
1CTS
8VCC
Table 12-15. Pin Configuration for Barcode Scanner RS232C Connection