Common Pointers - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (1/2)
4 Explanation of Devices
4.4 Detailed Explanation of Devices

4.4.14.3 Common Pointers

Common pointers are pointers that can be used only with the multi-program method.
 What is a common pointer?
 A common pointer is a pointer that calls the subroutine program from all programs executed with the CNC controller.
The common pointer can be used only with the subroutine call instruction. This cannot be used with the jump instruction.
 The same pointer No. cannot be used as a label.
Program A
Program B
 Common pointer usage range
The usage range of the common pointer can be set on the parameter settings in GX Developer/GX Works2. The range
following the set No. is the common pointers. The range that can be set as the head No. of the common pointer is from P0 to
P4095. The default value is set to 1800, and from P1800 to P4095 can be used as common pointers.
IB-1501667-B
CALL P1804
P1804
END
P1805
CALL P1805
END
Program C
CALL P0
52
RET
RET
END