GW Instek PEL-3000 Series User Manual User Manual
Page 186

PEL-3000 User Manual
184
SUM I MON
4 Connected to SUM I MON of the J2 connector.
PRL IN+
5 Connected to PRL OUT+ of the J2 connector.
PRL IN-
6 Connected to PRL OUT- of the J2 connector.
LOAD ON/OFF
CONT
7 "Turns on the load with low (or high) TTL level
signal.
N.C.
8 Pulled up the internal circuit to 5 V using 10 kΩ."
RANGE CONT 0 9 "External range switch input*1 *2
Pulled up the internal circuit to 5 V using 10 kΩ."
N.C.
10
N.C.
11
A COM
12 Connected to the negative load input terminal on
the rear panel.
13
14
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.*3
STATUS COM
17 STATUS signal common for pins 16.
N.C.
18
A COM
19 Connected to the negative load input terminal on
the rear panel.
+15V
20 Controls the on/off of the load booster power
(cannot be used for multiple purposes).
*1 Valid only when the front panel settings are
H range.
*2
RANGE CONT 0
H range 1
M range 1
*3 The maximum applied voltage of the photocoupler
is 30 V; the maximum current is 8 mA.