How do I adjust the built-in moments in my Mitsubishi PLC? In the case of Mitsubishi PLC, sometimes technical engineers forget to adjust the PLC well, but they also need to pay attention to some key points and introduce how to adjust the built-in moments in Mitsubishi PLC.
You can use two commands: TWR (Time Write) command and TRD (FNC166) TRD(P) command to adjust the built-in time.
1. TWR (Time Write) command
Write the time preset value to the built-in real-time clock: Clock information is written to the TWR (Time Write) command. The sequence number of the action instruction is FNC167, [S ·] T, C and D can be used, and only 16-bit operations can be used, accounting for 5 program steps.
The function of this instruction is to write the time preset value to the built-in real-time clock, and the written information is put to [S ·] in advance. In the first 7 modules, when the command is executed, the built-in real-time clock is immediately changed to a new time for application.
D10 - D15 are stored in the year, month, day, hour, minute and second, and D16 is stored in the prayer. When X4 is ON, the default values in D10-D15 are written to D8018-D8013, and the standard values in D16 are written to D8019.
2. TRD(FNC166) TRD(P) instruction
TRD(FNC166) TRD(P) instructions are 16-bit operations and occupy 7 program steps. T, C and D are available.
The purpose of this command is to read the information from the built-in instant clock and put it into the 7 characters starting with [D.]. When X1 is ON, the real-time clock (which is stored in the common auxiliary register D8013-8019 in the order of year, month, day, hour, minute, second, and week) is transmitted to D10-D16.
The time loading instruction, that is, loading from the system software common data register, which is used for the instant clock, is D8013-D8019, in which the time, date, hour, minute, second and its week are matched.
Write instructions at all times, that is, write the information of people's calibration into the common register of the system software according to the PLC, and apply TWR instructions.
Calibrate the clock
Usually the new PLC internal clock is wrong, and people have to upgrade to the Internet clock, which can be changed according to the program anytime and anywhere.
Another way
After communicating with the PLC on the computer, click the "Online" button in the status bar and select the clock setting.
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