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96
Internal Circuit Configuration
7.3
Internal Circuit Configuration
NPN setting
External power
10
11
PLC, etc.
Output
Common
ISO_5V
8
2 k
Ω
1 k
Ω
EXT I/O
MODE
selector
START
1
STOP
20
ERR
UPPER FAIL
9
ISO_COM
27
ISO_COM
NPN
10
Ω
PLC, etc.
Input
Common
Zener voltage 30 V
Do not connect external power to pin 8.
ST5520, ST5520-01
Internally isolated common
(Isolate from the instrument protective ground.)
Internally isolated
power supply
•
Use ISO_COM as the common terminal for both input and output signals.
• If a high current flows to common wiring, branch the output signal common wiring
and input signal common wiring from the position close to the ISO_COM terminal.
•
When supplying power from an external device, supply power to the external
power supply shown in the above figure.
Содержание ST5520
Страница 2: ......
Страница 8: ...vi Contents ...
Страница 22: ...14 Usage Notes ...
Страница 56: ...48 Announcing the Judgment Results Using a Beep Sound ...
Страница 82: ...74 Initializing the System Reset ...
Страница 88: ...80 Deleting the Panel Data ...
Страница 158: ...150 Command Reference ...
Страница 193: ...Appx 13 Rack Mounting Screw location dimensional drawing 10 9 8 7 6 5 4 3 2 1 Appx Ind ...
Страница 194: ...Appx 14 Dimensional Diagram Appx 8 Dimensional Diagram 166 2 215 1 14 1 80 1 ...
Страница 197: ...13 09 ...
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