Omron CS1W-MCH71 -, Руководство по эксплуатации

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Routine Inspection
Section 12-1
Required Tools Required tools
• Phillips screwdriver
• Voltage tester or digital voltage meter
• Industrial alcohol ad clean cotton cloth
Equipment that may be required depending on the case
• Oscilloscope
• Synchroscope
• Thermometer, hydrometer
12-1-2 Handling Precautions
• Turn OFF the power before replacing the Unit.
• If a Unit is found to be faulty and is replaced, check the new Unit again to
ensure there are no errors.
• When returning a faulty Unit for repair, make a detailed record of the
Unit’s malfunction and take it together with the Unit to your nearest
OMRON office or sales representative.
• If a contact is not good, put some industrial alcohol on a clean cotton cloth
and wipe the surface. After doing this, install the Unit.
•
Before restarting operation, transfer the required programs, position data,
and system parameters to the MC Unit that was changed, and save them
to the flash memory.
12-1-3 Procedure for replacing an MC Unit
Follow the procedure below when it is necessary to replace an MC Unit.
1,2,3... 1. Make a note of the unit number of the MC Unit to be replaced.
2. To retain the status and settings of the MC Unit that is to be replaced, ex-
ecute the backup operation of the CPU Unit to save the MC Unit’s data, pa-
rameters, or programs into a memory card. For the operation procedure,
refer to the
SYSMAC CS/CJ Series Programmable Controllers Program-
ming Manual (W394).
3. Turn OFF the power supply.
4. To facilitate rewiring, carefully label the cables that are to be disconnected.
5. Replace the MC Unit, and reconnect the wiring as before.
6. Set the unit number for the MC Unit.
7. Turn ON the power supply to the PLC.
3 Installation
and wiring Is the MC Unit securely mounted? There must be no
looseness.
With a Phillips screwdriver, tighten all
mounting screws.
Are the cable connectors properly
inserted and locked? Carefully insert and lock all cable con-
nectors.
Are there any loose screws in the
external wiring? With a Phillips screwdriver, tighten all
screws in the external wiring.
Are any crimp terminals for exter-
nal wiring too close together? There must be suffi-
cient space between
them. Do a visual check and separate the ter-
minals as required.
Are any external cables about to
break? There must be no
external abnormali-
ties. Do a visual check, and connect or
replace cables as required.
No. Item Inspection points Criteria Remarks