Excell Precision DIGITAL HIGH PRECISION WEIGHING SCALES - Manual (Page 25)

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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