Excell Precision DIGITAL HIGH PRECISION WEIGHING SCALES manual Relay Output, Relay Pin Description

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EXCELL PRECISION CO., LTD.

2. RELAY OUTPUT

(1) Relay Output

Relay’s function acts as signal output in the check-weighing mode. When an object’s weight value reaches one of the setting points (HI, OK, LOW), the relay outputs a signal through PIN 1, PIN2, or PIN 3. To set the check-weighing configuration by pressing the key (in TW & AW models) or enter F4 (please refer to page 12 or 16 for operations).

(2) Relay Pin Description

PIN 1 ⇒ OK output

PIN 2 ⇒ High output

PIN 3 ⇒ Low output

PIN 4 ⇒ VDD

PIN 5 ⇒ GND

PIN 6 ⇒ COMMON

(3) Connection Illustration

V1.0

23

SM2020010426

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Contents Digital High Precision Weighing Scales Page Table of Contents Relay Output Preparing to USE the Scale Before Using the ScaleIntroduction FeaturesPower Consumption SpecificationsLOW Battery Warning LOW LCD Display SymbolsUnits Keyboard FunctionOperation Weighing ModeDisplay Backlight ZeroII. Recall Totalised Weight Values Weight TotalisingIII. 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 tareRecall the pre-set tare value IV. The weight of the container is known Pre-set tareVI. Clear the pre-set tare value Check Weighing Buzzer SettingClear the check weighing settings IV. Recall the check weighing settingIII. High/OK/Low indications Sampling Counting FunctionConfiguration Settings Actiondisplay Description CHECK-WEIGHING ConfigurationRS-232 Setting Exit Configuration Settings RS-232 25 Pin ‘D’ type Pin Description RS-232 and Relay Output RS-232 or Serial Printer OutputRS-232 Interface Format Transmission example Data Format+100.0 kg Key to Relay Output Relay OutputRelay Pin Description Connection IllustrationConnection Setting Power Source Illustration