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GW Instek PEL-3000 Series User Manual User Manual

Page 148

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PEL-3000 User Manual

146

Pin Inputs

Pins 8 and 9 of the J1 connector are internally
pulled up to 5V with a 10kΩ resistor when
open. When closed, pin 8 and 9 are pulled
down to the A COM ground level.

PEL-3000

Switches

Analog

connector

12

+5V

A COM

8

9

10k

Note

The range can only be externally controlled when
the IRange has been set to High using the front
panel controls.

I Range Status

Description

Pins 14 and 15 (Range Status 1&2) of the J1
connector are used to monitor the IRange
status.

The pinout combination determines the range
status.

I Range

Pin 15

Pin 14

H

Off

Off

M

Off

On

L

On

Off