SYSTEM bit settings (7 bits)

1. bit 1

   The scheme of axis movement during an approach and during movement to the tool change command output position for machining at the work hand side

   0: Compliant with SU11 and SU19. 1: Approach with priority assigned to the Z-axis (SU11 = 1) Movement to the tool rotating position with priority assigned to the X-axis (SU19 = 1) (Only for machines with a workpiece handling device)

   Range 0, 1 · Takes effect: Immediate

2. bit 2

   Conditions for returning to the tool change command output position in the manual program unit (MANL PRG)

   Operation pattern with [NO RETURN] selected for CHANGE-PT in the manual program unit (MANL PRG) 0: NO RETURN to the tool change command output position is effective only when the tool need not be changed for another one, nor in the index angle. 1: NO RETURN to the tool change command output position is effective when there is no need of changing the tool, irrespectively of whether its index angle is to be altered or not.

   Range 0, 1 · Takes effect: Immediate

3. bit 3

   Movement to the tool rotating position for tool change command for the same TNo.

   Response to a tool change command for the same tool number (TNo.) 0: No movement to the tool rotating position 1: Movement to the tool rotating position when either of the following three conditions is satisfied: a. The value of tool length/tool setting data differs. b. The value of nose R/tool diameter differs. c. The section to be machined differs.

   Range 0, 1 · Takes effect: Immediate

4. bit 4

   Operation to be performed if either TURN POS X, Y, or Z of the indexing unit is left blank.

   Select the kind of operation to be performed if either TURN POS X, Y, or Z of the indexing unit is left blank (only when a tool change is not conducted in immediate front of the indexing unit). 0: The unspecified axis moves to the position of the third home position (M6) before the B/C-axes are swiveled. (Conventional operation) 1: The B/C-axes are swiveled without any motion having been conducted on the unspecified axis. (New operation)

   Range 0, 1 · Takes effect: Immediate

5. bit 5

   Preparatory C-axis positioning to 0° for a manual program unit (MANL PRG) with a milling tool after a turning unit

   Preparatory C-axis positioning to 0° for a manual program unit (MANL PRG) with a milling tool after a turning unit 0: Positioning to 0° on the C-axis 1: No movement on the C-axis.

   Range 0, 1 · Takes effect: Immediate

6. bit 6

   Selection of Y-axis movement to the zero point when a turning tool is mounted

   When a turning tool is mounted, move it to the Y-axis zero point before moving to the tool change position. 0: Do not move 1: Move Note : This parameter is valid when the program is created in the workpiece scheme (WPC) and Z-offset scheme.

   Range 0, 1 · Takes effect: Immediate

7. bit 7

   Selection of whether or not the B-axis rotation radius is to be included into the “clearance position” for changing the indexed cutting edge on one and the same FLASH tool

   Select whether or not the B-axis rotation radius is to be included into the “clearance position,” a component of the tool change position (when TC62 = 0, 1, 2, 5 or 7) for changing the indexed cutting edge on one and the same FLASH tool. 0: Included 1: Not included

   Range 0, 1 · Takes effect: Immediate

Mazak PARAMETER LIST / ALARM LIST / M-CODE LIST, manual HA64HA0035E, p. 49, 312, 313, 314. Reference and explanation only — not a reproduction of the manual.