Installation manual
CNC 8060
CNC 8065
PLC PROGRAMMING.
4.
(REF: 1402)
·247·
Consulting instructions.
4.2 Consulting instructions.
They may be used to check the status of PLC resources as well as the marks and registers
for CNC-PLC communication. There are the following consulting instructions.
• Simple consulting instructions.
• Flank detection instructions.
• Comparing instructions.
4.2.1 Simple consulting instructions.
They test the status of the resources and they return their logic state.
• Inputs (I1-I1024)
• Outputs (O1-O1024)
• Local inputs (LI1-LI16)
• Local outputs (LO1-LO8)
• Marks (M1-M8192)
• Messages (MSG1-MSG1024)
• Errors (ERR1-ERR1024)
• Clocks (CLK)
• Registers (R1-R1024)
• Register bits (B0-B31 R1-R1024)
• Timer status (T1-T512)
• Counter status (C1-C256)
• CNC-PLC communication marks.
I12
Returns a "1" if the I12 input is active and a "0" if otherwise.
START
Returns a "1" when the CYCLE START key of the front panel is pressed and a "0" if
otherwise.
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