421
Short jumper
XD, XL series PLC no need to short the jumper when updating.
Note:
Do not cut the power of PLC when it is updating. If it show the error “send data failed,
ID not match…) please contact us for help.
The PLC program will be deleted after updating.
Q4: The bit soft component function.
A4:
Continuous 16 coils consist of a word, E.g: DM0 a word consist of 16 coils (bits) M0~M15 is
as below:
DM0:
We can use bit in the register directly.
Example 1:
The other mode is bit operation of fixed register. E.g: D0.0 is the first bit of16 bits in register
D0. Similarly, D0.1 is the second bit and so on, as shown below:
D0:
Similarly, we can use bit in register D0.
When M100 is from OFF to ON,
M0 M1 are ON, M2—M15 are OFF
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