beautypg.com

GW Instek PEL-3000 Series User Manual User Manual

Page 184

background image

PEL-3000 User Manual

182

TRIG INPUT

11 When paused, clears the pause when a low level

TTL signal is applied for 10 μs or longer.
Pulled down the internal circuit to A COM using
approx. 50kΩ.

A COM

12 Connected to the negative load input terminal on

the rear panel.

LOAD ON
STATUS

13 Turns on when load is on. Open collector output by

a photocoupler.*4

RANGE STATUS 1 14 Range status output. Open collector output by a

photocoupler.*4

RANGE STATUS 0 15
ALARM STATUS 16 Turns on when an alarm (OVP, OCP, OPP, OHP,

RVP, or UVP) is activated or when an
external alarm is applied. Open collector output by
a photocoupler.*4

STATUS COM

17 STATUS signal common for pins 13 to 16.

N.C.

18

SHORT SIGNAL
OUT

19 Relay contact output (30 VDC/1 A)

SHORT SIGNAL
OUT

20

*1 Valid only when the front panel settings are

H range.

*2

RANGE CONT 0

RANGE CONT 1

H range 1

1

M range 1

0

L range

0

1

*3

RANGE STATUS 0 RANGE STATUS 1

H range OFF

OFF

M range OFF

ON

L range

ON

OFF

*4 The maximum applied voltage of the photocoupler

is 30 V; the maximum current is 8 mA.