Ashcroft GC31 - Digital Pressure Sensor Manuel d'utilisateur télécharger pdf (Page 10)

5. NOISE PREVENTION

Power Supply

The pressure display can fluctuate and provide incorrect output if noise is present in the

power supply/wire. Care should be taken to keep the GC31 power supply wires from high

voltage lines and use a power line with a high noise rejection ratio.

6. STORAGE

Store in a location in compliance with the environmental rating of the unit and within -30 to

+60C (-22 to 140F). Avoid direct exposure of the display to Sunlight.

7. MAINTENANCE

Although this is a solid state device, it is recommended that a visual inspection be conducted

twice a year along with regular zero adjustment if necessary.

8. MENU NAVIGATION

Functions

PLEASE NOTE: Do not use sharp objects to press the keys as this can puncture the panel.

See illustration for External Panel and Functions.

PNP Type Switch Function (wiring to photocoupler)

GC31

(Brown)

(Black-White)

80mA max.

(Blue)

Power (+)

Power (–)

Photo coupler

Open collector output

Electric current resistance

GC31

(Brown)

(Black-White)

80mA max.

(Blue)

Power (+)

Power (–)

Voltage HL output

(High/Low)

Pulldown resistance

PRESSURE SENSOR

OUT1

PSI

MODE

ADJ.

OUT2

Comparator/Switch Output Status LED

(OUT 1)

(OUT 2)

MODE

MODE KEY

DOWN KEY

UP KEY

PNP Type Switch Function (voltage output)

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Ashcroft GC31 - Digital Pressure Sensor Manuel d'utilisateur Page 10

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