Planning is basic function of management. So that the risk could be minimized, with that all the work, action and policy must be planned beforehand. While preparation represent the follow-up from planning, where in preparation all material and equipment required to be collected and checked before the work is executed. Planning and preparation gives the complete and clear representation about all the work.
Matters which require to be planned and prepared for example;
Compiling the work plan
Compiling the work plan is an activity to make the sequence of the most efficient work execution steps. In compiling the work plan is given high priority to the parts of easy done beforehand, then difficult shares.
Under given some guidance can be used;
Preventive maintenance
Checking the wiring diagram
This phase is important enough because by checking the wiring diagram and learn it, people can immediately comprehend the work principle of the PLC that will be diagnosed its damage.
A simple wiring diagram of the PLC is shown below;
Matters which require to be planned and prepared for example;
Compiling the work plan
Compiling the work plan is an activity to make the sequence of the most efficient work execution steps. In compiling the work plan is given high priority to the parts of easy done beforehand, then difficult shares.
Under given some guidance can be used;
Preventive maintenance
- Pre maintenance
- Daily maintenance
- Periodic maintenance
- Troubleshooting
- Reparation analysis/diagnosis
- Execution of reparation
- Testing the result of reparation
- Documentation the result of maintenance
- Depository the administration peripheral
- Depository the material
- Depository the result of reparation
Checking the wiring diagram
This phase is important enough because by checking the wiring diagram and learn it, people can immediately comprehend the work principle of the PLC that will be diagnosed its damage.
A simple wiring diagram of the PLC is shown below;
Preparing tools, materials and safety equipments
Tools and materials required to be collected and then checked one by one to ensure that the equipments and materials in good condition and can be used.
Materials required;
- Cable
- I/O devices
Standard Tools (Required);
- Screwdrivers (Phillips and flat-blade) / tools set
- Voltage tester or digital voltage meter
- Industrial alcohol and a cotton cloth
- Safety equipment
- Programming device
Measurement Devices (May be Needed);
- Synchroscope
- Cathode-ray oscilloscope
- Thermometer
- hygrometer
Coordinating the work
After the work plan is compiled, team member concerned in completion of the task is contacted to ensure that the work has been coordinated effectively so that is not happened the misunderstanding at the time of work execution.
Safety Procedure
Safety Procedure is a prevention action so that is not happened the accident at the time of work excecution that may be happened to the worker or other people, machine, equipment and environmental in any time and any where.
The safety equipment for example:
- Wear
- Safety shoes
- Helmet Gloves
- Safety glasses
- Masker, etc
Prevention of the happening of accident in the work place must pay attention some factors for example :
- Ascertaining equipments in good condition
- Ascertaining wear in good condition
- Must discipline in using the equipment
- Must attentive and concentration at the work
- Ascertaining has comprehended the way of operation of the machine or equipment
- Ascertaining body condition before working in good health
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