Controller Circuit

4.1.2. Preparing the work plan

Preparing the work plan is activity to make steps implementation of the work that most efficiently. In preparing the work plan prioritized the parts that are easy first, and then the difficult part. Step this is only one example:
a. Learn wiring diagram and configuration of PLC
b. Connecting with the tool programmer (computer programming or console)
c. Conducting initial settings;

• Turning on PLC
• set PLC to the PROGRAM mode
• check the indicator on CPU and the display of tool programmer (computer programming or console)
• Remove the memory program (if it will create a new program)

d. Program PLC (if needed) ;

• Make a Ladder diagram or code mnemonic
• Transfer Ladder diagram to PLC with the computer or transfer the code mnemonic with programming console.

e. Running PLC ;

• check the wiring of I/O in PROGRAM mode
• check and debug the programs in MONITOR mode
• operate the PLC in RUN mode (if the program is created has been tested completely)
  

4.1.3. Preparing tools, materials, and safety equipment

Tools and materials are collected must be examined one by one to ensure that tools and materials in good condition and can be used. Equipment and materials which is required, among others:

• PLC unit
• Toolset (screwdriver, pliers, measuring equipment / Multimeter, etc.)
• Cable
• I/O tools (buttons, sensors, relays, motors, etc.)
• Tools programmer (computer or Programming Console)
• Equipment power / power suppliers (MCB, sekring, etc.)
• Equipment Health and Safety
  
  

4.1.4. Coordinate the work

after work plans are prepared, interested parties in this case is a member of the team involved in the completion of the work is contacted to ensure that the work is coordinated effectively so that no misunderstandings at the time of execution of the work.

4.1.5. Checking the work order

Orders of working that have been given are checked to ensure that those commands can be executed in accordance with SOP / Standard Operating Procedures.

4.1.6. Understand the requirements and procedures of safety

Job Safety and Health (K3) is an action to prevent an accident while working that may happen to the workers and other people, machines, tools and environment, anytime and anywhere.

Equipment safety, among others:

1. Clothing or protective clothing;
2. Safety shoes
3. Hat or helmet
4. Gloves (Gloves)
5. Glasses
   
6. Mask

Accident prevention at the work place must consider several factors, among others:
• Make sure that equipment in good condition
• Make sure that work clothes in good condition
• Must be disciplined in use the tools
• Must be careful and concentrate on the job
• Make sure to understand how to operate a machine or tool
• Ensure that body condition in healthy before working

Discipline of personal at the work place. Every worker (student), in an industry and educational institutions must have the discipline, especially for its self:
• Discipline of time
• Discipline for promise, in personal or in jobs
• Do not deviate from what is assigned
• Sincerely on the subordinate and superior

Responsibility of the workers or students for safety. Workers or students have a responsibility as follows:
• Must adhere to proper rules and instructions from his superiors
• Act with properly and precisely at the time of the accident
• Report immediately, if the accident which occurred
• Investigate and explain the cause of the accident or damage to the engine
• Work with full concentration and careful