Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set - Manual (Page 350)

Chapter 12
Overtravels and Programmable Zones
12-12
These blocks: Results in:
G22 X10 I--10 Y14 J--14 Z1 K--1;
G22 U5 I--5 V13 J--2 W11 K10;
G22 A3 I2 B7 J--7 C12 K11; upper and lower zone 3 limits for all 9
axes are changed. Zones 2 and 3 are
both activated when the first block in this
series of blocks is executed.
G22 X1 Y2 Z3 U4 V5 W6 A7 B8 C9; upper zone 3 limits are changed for all 9
axes. Zones 2 and 3 are both activated.
G22 X1 Y2 Z3 U4 V5 W6 A7 B8 C9 I--1 J--2 K--3; upper and lower zone 3 limits for all 9
axes are changed. (I sets lower for X, U,
and A: J sets lower for Y, V, and B: K
sets lower limits for Z, W, and C). Zones
2 and 3 are both activate.
G22 K--10; error is generated. Current status of
zones remains in current state (on or off).
WARNING: When using multiple blocks to set the zone 3
limits, keep in mind zone 3 is activated after the first G22 block.
This will result in zone 3 being activated before you have
completed changes to the zone 3 values. This can cause the
control to miss-interpret zone 3 as an internal or external zone,
depending on the tool location at the time of the zone activation.
The zone values entered in a G22 block always reference coordinate values
in the machine coordinate system.
If a value for a maximum axis parameter is less than the value set for an
axis current minimum parameter, or if a value for a minimum axis
parameter is set greater than the value set for an axis current maximum
value, the control displays the message:
“INVALID VALUE (MAX < MIN) FOR ZONE 3 AXIS (X)”
This message displays the name of the axis that has been set incorrectly. It
does not indicate if it is the minimum or maximum value that is incorrect.