Open GX, new project, parameter default. With-| | --|/|--()--| from the electrical control practice diagram to programmable example: SB corresponding input Relay-|| - -|/|-X0~X7, x0~x17,x20~x7 (Note: case is automatically transformed, the sequence number is automatically populated with x000,x007 ...) KM corresponding output relays -|| - -|/|- -()- Y0~y7,y10~y7 (Note: case is automatically transformed, the sequence number is automatically populated with y000,y007 ...) KT corresponding timer -|| -Long Open and-|/|- Long-closed direct t0~t199;-()-Name T0 K20 (Note: This T0 time is 2 seconds, there are spaces between T0 and K20) auxiliary relays generally with m0~m383 (no used auxiliary relay special with m8000~m8255 counter 16-bit mode c0~c15) used XY To the left and right side of the corresponding connection, such as the X001 to the left of the X1 to connect to X1, the following will appear in two cases can not get results, a compilation, the line is good, run is not bright, need to turn off the switch for a while, and then open, may have to switch observation (test time on the run does not light The result took a long time) another line of good, computer software transformation, in the process of PLC writing machine "Power total switch" to the power outage, will appear, the solution looks like new project, recompile "no specific operation" if the corresponding 8 boxes of Y, the corresponding box of the COM to be connected to the right "or" of COM inside. For example: The power supply 24+ to connect the power, then COM with the supply to the right COMPLC write
Programmable Controller Training