Installation manual
CNC 8055
CNC 8055i
PLC RESOURCES
9.
SOFT: V02.2X
·435·
Marks
9.3 Marks
These are elements capable of memorizing in one bit (as if they were an internal relay) information
defined by the user, their value being inalterable even when the power supply to the system is turned
off.
This will be programmed by the letter M followed by the number of the mark which it is wished to
reference, for example, M1, M25, M102, etc.
The PLC controls the following marks:
Marks M1 thru M2047 have image values unlike the remainder of the marks, and so the PLC will
always work with their real values.
The arithmetic flag mark available at the PLC is:
M2003 Is the Zero flag and is set to 1 (high logic level) when the result of an AND, OR,
XOR operation is 0.
The clock marks M2009 to M2024, make up internal clocks of different periods which can be used
by the user.
The following table shows the available marks and the average period of each one.
The fixed status marks available at the PLC are:
M2046 Always has a value of 0.
M2047 Always has a value of 1.
The PLC allows, by means of the activation of a series of message marks, the PLC message
corresponding to the PLC message table to be displayed on the CNC screen. They can be named
by means of the mark M4000 - M4254 or by means of their associated mnemonic MSG1 - MSG255:
Likewise, 128 error marks are available which allow the error corresponding to the PLC error table
to be displayed on the CNC screen as well as to interrupt the execution of the CNC program, stopping
axis feed and spindle rotation. Activating any of these marks does not activate the external CNC
emergency output.
They can be named by means of mark M4500-M4627 or by means of their associated mnemonic
ERR1 - ERR128:
User marks M1 - M2000 y M2049 - M3999
Arithmetic flag marks M2003
Clock marks M2009 - M2024
Fixed status marks M2046 and M2047
Marks associated with messages M4000 - M4254
Marks associated with errors M4500 - M4627
Screen marks M4700 - M4955
CNC communication marks M5000 - M5957
M4000 M4001 M4002 -------- M4253 M4254
MSG1 MSG2 MSG3 -------- MSG254 MSG255
M4500 M4501 M4502 -------- M4626 M4627
ERR1 ERR2 ERR3 -------- ERR127 ERR128
M2009 100 ms.
M2010 200 ms.
M2011 400 ms.
M2012 800 ms.
M2013 1.6 s.
M2014 3.2 s.
M2015 6.4 s.
M2016 12.8 s.
M2017 1 s.
M2018 2 s.
M2019 4 s.
M2020 8 s.
M2021 16 s.
M2022 32 s.
M2023 64 s.
M2024 128 s.
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