National Instruments RMX-4120 User Manual page 87

Chapter 3 External Control
Because the positive output
terminal is at ground
potential, the section shown
on a gray background must
have a reinforced or double
insulation with a capacity
greater than or equal to the
maximum output voltage
relative to the chassis.
+
–
Vext
Load
3-10 | ni.com
Figure 3-9. Output Terminal is Grounded
1
5
6
7
8
9
10
11
12
13
16
18
Rext
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
SENS
+S
–S
DC
OUTPUT
+ +
– –
Chassis terminal
J1
Approximately the same
potential as the negative
output terminal
J2
Isolated
RMX
AC
INPUT
L
N