7.1Periodic Inspections
7-3
7.1.3
Periodic inspection items
1) Inspection of safety inputs
When the RMU continues to be used with two safety input signals in the closed state, the input circuit for
the two signals cannot be diagnosed. Therefore, the two contacts of the safety inputs must be opened at
periodic intervals to perform the inspections.
Inspection location
Details of inspection
Remedial action
Robot emergency
stop
Safety plug
Emergency stop
Set the robot emergency stop
signal, Safety plug signal and
emergency stop signal all to ON,
And make sure that each function
to work properly.
If each function does not work, check the
connections of the cables to the RMU. If the
cables are connected properly, replace the
RMU.
Robot LS
Set the robot LS signal to OFF,
and check that LS signal is OFF
on the screen of the teach
pendant.
If the signal does not go off, check the
connections of the cables to the RMU. If the
cables are connected properly, replace the
RMU.
2) Displays
Inspection location
Details of inspection
Remedial action
RUN LED
(7 segments)
Check that the LED is lighted as if
to describe the number “8.”
If an error is displayed, proceed with
troubleshooting.
3) Installation and connection statuses
Inspection location
Details of inspection
Remedial action
Installation of unit
Check that the RMU is installed
properly inside robot controller.
Install it properly inside robot controller.
Screws
Check that the bracket and the
ground terminal are not loose.
Tighten up any loose screws.
Connector
Check for loose connectors.
Insert the connectors properly.
Refer to the section in “Chapter 2 Monitoring
Unit Configuration.”
Period
No
.
Routi
ne
3-month
ly
6-month
ly
Annu
ally
Inspection
item
Details of inspection or maintenance
Method
1
○ ○
○
Cables
Check for damage and flattening.
Loose connectors
Visually inspect.
2
○
○
Circuit board
connectors
Loose connectors
Press by hand.
3
○
○ ○
○
Entire unit
Check for dust and dirt.
Visually inspect and
clean.
4
○
○
Safety inputs
Refer to “7.1.3Periodic inspection
Visually inspect.
5
○
○
Voltage
measurement
Check that the voltage between
U24V-U0V and U24A-U0A
is DC
24V +/-10%.
Measure using a
multimeter or
voltmeter.
Содержание RMU20-20
Страница 2: ......
Страница 6: ...Contents 4 ...
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Страница 26: ...1 4 EC DECLARATION OF CONFORMITY FOR MACHINERY 1 18 NOTE ...
Страница 68: ...2 9 Enabling RMU 2 40 NOTE ...
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Страница 86: ...3 2Operation procedure 3 16 Top Display Form Limit Side Display Sphere Limit Side Display Form Limit ...
Страница 100: ...3 4 Setting when a slider unit is used 3 30 NOTE ...
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Страница 138: ...4 4Approval 4 36 8 Approval is completed The following screen will be displayed ...
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Страница 154: ...5 4Trouble shooting 5 10 NOTE ...
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Страница 166: ...6 4Trouble shooting 6 10 NOTE ...
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