Diagnostics 14
14-1
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14.
Diagnostics
This section explains troubleshooting during operation.
Cautions on startup/maintenance
• Do not touch connectors while the power is ON.
If a connector is touched, electrical shock or malfunction may be caused.
•
Set to OFF the power before cleaning the Handy GOT or tightening a terminal.
If the Handy GOT is cleaned or a terminal is tightened while the power is ON, you may get
electrical shock.
•
Correctly connect the battery (for memory backup). Do not charge it, disassemble it, heat it,
put it into fire or short-circuit it.
Such handling may cause rupture or inflammation.
Cautions on startup/maintenance
•
Do not disassemble or modify the Handy GOT.
Disassembly or modification may cause failure, malfunction or fire.
•
For replacement or repair of the backlight, consult with a Mitsubishi Electric distributor.
•
Turn OFF the power before connecting or disconnecting a cable.
Connecting or disconnecting a cable while the power is ON may cause failure or
malfunction.
14.1
When POWER LED does not light
The POWER LED in the Handy GOT is lit by the internal 5V DC power supply. If it does not
light, check the following points.
If there is no abnormality in the cable connection, wiring, supply voltage or power capacity, the
circuits inside the Handy GOT may be damaged. Please consult with a Mitsubishi Electric
distributor.
•
Check whether the wiring related to the power supply is executed correctly. (Refer to 2.2.5.)
•
Check whether the supply voltage satisfies the specifications.
[Allowable power range: 20.4 to 26.4V DC, power ripple: 200 mV or less] (Refer to 4.1.2.)
•
Check whether the power capacity of the DC power supply is sufficient.
[Current consumption: 24V DC, 400 mA] (Refer to 4.1.2.)
•
Check whether external cables are connected correctly to the Handy GOT. (Refer to 2.2.2.)
A953 HANDY GOT
Содержание A953GOT-LBD-M3-H
Страница 1: ...HARDWARE MANUAL A953 HANDY GOT TARGET MODELS FOR RS 232C CONNECTION A953GOT LBD M3 H A953GOT SBD M3 H ...
Страница 4: ...A953 HANDY GOT ii ...
Страница 6: ...A953 HANDY GOT iv ...
Страница 14: ...A953 HANDY GOT xii MEMO ...
Страница 28: ...A953 HANDY GOT Introduction 1 1 8 MEMO ...
Страница 42: ...A953 HANDY GOT Installation Wiring 2 2 14 MEMO ...
Страница 58: ...A953 HANDY GOT Wiring and Handling of Switches 3 3 16 MEMO ...
Страница 72: ...A953 HANDY GOT Specifications 4 4 14 MEMO ...
Страница 80: ...A953 HANDY GOT CPU Direct Connection 6 6 6 MEMO ...
Страница 98: ...A953 HANDY GOT Connection to PLC by Omron 8 8 10 MEMO ...
Страница 104: ...A953 HANDY GOT Connection to PLC by Yaskawa Electric 9 9 6 MEMO ...
Страница 108: ...A953 HANDY GOT Connection to PLC by Allen Bradley 10 10 4 MEMO ...
Страница 130: ...A953 HANDY GOT Connection to PLC by Siemens 13 13 4 MEMO ...
Страница 134: ...A953 HANDY GOT Diagnostics 14 14 4 MEMO ...
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