Doran Scales DS100 Panduan Operator - Halaman 7

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Section 4. Data Communications

Basic understanding of serial data communications is needed when setting up the

DS100 to communicate with a printer or PC.

When setting up a serial communications system, there are two concerns which

affect the configuration of that system. These are:

• Baud Rate

• Data Bits and Parity

The baud rate determines how fast the data is sent from the scale. The sending

and receiving units must be set to the same baud settings. Typical values are

1200, 2400, 4800 and 9600.

The DS100 is factory set for eight bits, no parity and one stop bit also known as

8n1. The receiving units must be set to 8n1 for proper communications.

See the technical manual for UPS print string configuration.

"F0" Example (Negative weight, in motion)

☻- 2.452 lb MOT.♪

"F0" Print String Definition for Each Weight Unit:

Pounds

STX | POL | WEIGHT| SP | lb | SP | ST | CR | LF

Ounces

STX | POL | WEIGHT| SP | oz | SP | ST | CR | LF

Kiligrams

STX | POL | WEIGHT| SP | kg | SP | ST | CR | LF

Grams

STX | POL | WEIGHT| SP | g | SP | SP ST | CR | LF

Pounds-ounces

STX | POL | WEIGHTLB| SP | lb | POL | WEIGHTOZ | SP | oz | SP | ST | CR | LF

☻

STX (

POL = minus sign for negative weight or a space for a positive weight

WEIGHT = 6 character field plus decimal if needed

WEIGHTLB = pound portion of lb-oz weight

WEIGHTOZ = ounce portion of lb-oz weight. (WEIGHTLB and WEIGHTOZ total 5 characters

SP = ASCII space

ST = MOT. if in motion or a space if stable

♪

CR (

) = Carriage return

◙

LF (

) = Linefeed

| = Separator, not printed

◙

) = ASCII 02

plus decimal)