Status signals (cv, cc & alarm) – GW Instek PSB-2000 Series User Manual User Manual
Page 83

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)
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