![]() ![]() This is because not every PLC shares the exact same instructions and addressing in their programs, and programming with the wrong type of instructions can cause problems. The first and foremost step is determining what specific PLC the client is using. The motor can also be started in either slow or fast mode and latches in until the timer times out. Timed out, the motor is allowed to run fast for, say, ten minutes while in manual control. ![]() Suppose one of your clients asks for a ladder diagram for a motor, a fast contactor, and a slow contactor with auto control for a certain amount of time, say six minutes. This post will discuss the basics of timer coding processes in a PLC. As mentioned in the last ladder logic post, one of the ways to gather and analyze data via PLC ladder logic code is with a timer. It’s important to understand what they request and how to code that properly. ![]() Clients will sometimes request ladder logic codes specifically for a situation they have in mind. ![]()
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