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Status signals (cv, cc & alarm) – GW Instek PSB-2000 Series User Manual User Manual

Page 83

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OPERATION

83

Status Signals (CV, CC & ALARM)

Introduction

Constant-Voltage (CV) Status Signal

This status signal goes low when the PSB-2000
series power supply unit enters the constant-
voltage (CV) status.

Constant-Current (CC) Status Signal

This status signal goes low when the PSB-2000
series power supply unit enters the constant-
current (CC) status.

Alarm Status Signal

This status signal goes low when the PSB-2000
series power supply unit enters the alarm
status.

Status Signal Characteristics
(SHARP PC3H7 photocoupler)

Item

Symbol

Max. rating

Unit

Output Collector-emitter voltage

V

CEO

66

V

Emitter-collector voltage

V

ECO

6

V

Collector current

I

C

50

mA

Collector loss

P

C

150

mW

Total allowable loss

P

T

170

mW

Isolation voltage

BV

S

2500

Vrms

CH1: Constant-voltage (CV)status: Pins 23 and 26 (COM)
Constant-current (CC)status: Pins 24 and 26 (COM)
Alarm status: Pins 25 and 26 (COM)
CH2: Constant-voltage (CV) status: Pins 4 and 1 (COM)
Constant-current (CC) status: Pins 3 and 1 (COM)
Alarm status: Pins 2 and 1 (COM)