Hioki Super megohm SM7110 - Internal Circuit Configuration

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Internal Circuit Conguration
9.4 Internal Circuit Conguration
NPN setting
PLC, etc.
Output
Common
Do not connect any external power supply to Pin 8.
The instrument
8
ISO_5 V
1
TRIG
2
C_CHECK
10
ERR
11
C_CHECK_GO
9
ISO_COM
27
ISO_COM
PLC, etc.
Input
Common
2 k
Ω
1 k
Ω
10
Ω
Zener voltage 30 V
Internally isolated common
(This is isolated from the protective ground of the instrument.)
NPN
EXT I/O MODE
selector
Internally isolated
power supply
5 V
30 V max.