GW Instek PSB-2000 Series User Manual - 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)