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91
Internal Circuit Configuration
7.3
Internal Circuit Configuration
NPN setting
Do not connect an external power supply to pin 8.
10
11
PLC, etc.
Output
Common
ISO_5 V
8
2 k
Ω
1 k
Ω
EXT. I/O
MODE
selector
START
1
STOP
20
SYSTEM_ERR
UPPER FAIL
9
ISO_COM
27
ISO_COM
NPN
10
Ω
PLC, etc.
Input
Common
Zener voltage 30 V
BT5525
Internal isolated power common
(It is isolated from the protective ground
of the instrument.)
Internal isolated
power supply
External power supply
• Use ISO_COM for both input and output signals as a common terminal.
•
If high current flows through the common wiring, branch off the common line for input and output signals
around the ISO_COM terminal.
•
When power is supplied from an external instrument, supply the power to the external power supply unit
shown above.
External Control (EXT
. I/O)
HIOKI BT5525A961-00
Summary of Contents for BT5525
Page 2: ...HIOKI BT5525A961 00 ...
Page 6: ...Contents 6 HIOKI BT5525A961 00 ...
Page 48: ...48 Notifying the Judgment Result and Test Completion with a Beep HIOKI BT5525A961 00 ...
Page 76: ...76 Initializing the Instrument Reset HIOKI BT5525A961 00 ...
Page 82: ...82 Deleting Panel Data HIOKI BT5525A961 00 ...
Page 200: ...200 License Information HIOKI BT5525A961 00 ...
Page 215: ...www hioki com HIOKI BT5525A961 00 ...