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12 AIO connector pin assignments
PIN NAME DESCRIPTION VALUE
1 n.c.
2 IMON I
mon
Monitor voltage of output current, (Ri = 10 kΩ) 0
–
5 V
3 INH Inhibit,
LOW = active, shut down the output voltage TTL-level,
LOW
➜
HV OFF
HIGH or n.c.
➜
HV ON
4 ISET I
set
Set voltage of output current
(R
IN
= 10 kΩ)
0
–
5 V
V
4-6
= 0 to 5 V
➜
I
out
= 0 to I
nom
± 1%
n.c.
➜
no output current
5 POL Polarity (1 TTL level,
LOW
➜
negative
HIGH or n.c.
➜
positive
6 GND Signal ground
7 VMON V
mon
Monitor voltage
(R
OUT
= 10 kΩ)
0
–
5 V
8 VSET V
set
Set value of output voltage 0
–
5 V
9 REF V
ref
Reference voltage for external potentiometer (Sliding
contact on V
SET
and/or I
SET
), see Figure 4: AIO circuit for
simple Vset and Iset control
5 V
Notes:
1) – only DPS
Table 11: AIO pin assignment
THQ Systems - CONFIGURABLE AC/DC LABORATORY HV SUPPLY | Last modified on: 2022-04-21 | www.iseg-hv.com 36/41