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External control of the range – GW Instek PEL-3000 Series User Manual User Manual

Page 147

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EXTERNAL CONTROL

145

Load On/Off Status

Description

Pin 13 (Load On Status) of the J1 connector is
used to monitor the load status (on or off).

Pin out

The Load On Status
pin is a photo-
coupled open-
collector output.

17

13

Photocoupler input: 30V max, 8mA, max.

External Control of the Range

Description

The range for the present operating mode can
be externally controlled when the current range
is set to high range.

The range is changed using pins 8, 9 (Range
Cont 1 &2) and 12 (A Com) of the J1 connector.

When externally controlling the range, the pin
input combination determines which range is
chosen.

Note: Press

Main

> Configure [F5] > Next

Menu [F4] > External [F3] and set the Control
setting to V, R or Riv to enable external control.

I Range

Pin 9

Pin 8

H

High

High

M

High

Low

L

Low

High