5.2.14 Connect ： Display PLC data status in the program editor window.
5.2.15 Disconnect ： No longer monitor the current value of the PLC data.
In offline state does not represent the state of STOP in PLC, if you want
to make STOP in PLC state, you can modify the state of PLC in the connection
state, in offline state can not be modified.
5.2.16 Run:Run instructions in the main menu.
5.2.17 Stop:Stop instructions in the main menu
5.2.18 Erase:Select the instruction that has been written, click erase,
delete instruction.
5.2.19 Choose ： When the selection is lit, it indicates that the current
location area can be selected, copied, cut and pasted. Selection is gray,
the current location of the selected operation can not be carried out.
5.2.20 Normally open contacts:Click to select the normally open contact,
in the program editing area will appear normally open contact which is
undefined, you can click the mark to enter the address.
5.2.21 Normally closed contacts:Click to select the normally closed
contact, in the program editing area will appear normally closed contact
which is undefined, you can click the mark to enter the address.
5.2.22 Rising edge contact:Click to select the rising edge of the contact,
enable input will lead to a scan cycle .
5.2.23 Falling edge contact:Click to select the falling edge contact ,
when the enable input is disconnected, it will lead to a scan cycle.
5.2.24 Output coil ： The output coil must be at the end of each line.Write
the new value of the output bit to the output image register.
5.2.25 Function block ： Click the function block, the interface is as
follows.
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