Excell Precision DIGITAL HIGH PRECISION WEIGHING SCALES RS-232 25 Pin ‘D’ type Pin Description

Page 21

EXCELL PRECISION CO., LTD.

RS-232 AND RELAY OUTPUT

1. RS-232 OR SERIAL PRINTER OUTPUT

(1)RS-232 (25 Pin ‘D’ type) Pin Description

˙J1 - J3 SHORT ; J2 - J4 OPEN (default setting) Pin 2 ⇒ RXD

Pin 3 ⇒ TXD Pin 7 ⇒ GND

˙J2 - J4 SHORT ; J1 - J2 OPEN

Pin 2 ⇒ TXD

Pin 3 ⇒ RXD

Pin 7 ⇒ GND

vPlease refer to F5 function settings for transmission mode, baud rate setting and data format.

(2) RS-232 Interface Format

I. Mode : EIA-RS232 C’s II . Format :

1.Baud rate: 1200, 2400, 4800 or 9600

2.Data bits: 8 BITS

3.Parity bit: None

4.Stop bits: 1 BIT

5.Code: ASCII

Start bit

Data bits

Stop bit

V1.0

19

SM2020010426

Image 21

Contents Digital High Precision Weighing Scales Page Table of Contents Relay Output Preparing to USE the Scale Before Using the ScaleIntroduction FeaturesSpecifications Power ConsumptionLOW Battery Warning LOW LCD Display SymbolsUnits Keyboard FunctionOperation Weighing ModeDisplay Backlight ZeroWeight Totalising II. Recall Totalised Weight ValuesIII. Clear Totalised Weight Values Weight of the container is unknown Tare Deduction of the Container WeightII. Recall the semi-auto tare value III. Clear the semi-auto tareIV. The weight of the container is known Pre-set tare Recall the pre-set tare valueVI. Clear the pre-set tare value Check Weighing Buzzer SettingIV. Recall the check weighing setting Clear the check weighing settingsIII. High/OK/Low indications Sampling Counting FunctionConfiguration Settings Actiondisplay Description CHECK-WEIGHING ConfigurationRS-232 Setting Exit Configuration Settings RS-232 and Relay Output RS-232 or Serial Printer Output RS-232 25 Pin ‘D’ type Pin DescriptionRS-232 Interface Format Transmission example Data Format+100.0 kg Key to Relay Output Relay OutputRelay Pin Description Connection IllustrationConnection Setting Power Source Illustration