Siemens SIMATIC S5 Manual page 159

IP 266
• G70: Dimensions in 0.1 inch
G71: Dimensions in mm
The IP 266 positioning module always interprets traversing programs in the
dimension specified in the machine data.
Table 5-22. Preselecting Dimensions
Dimensions in the unit
[
0.1 inch
[ ]
mm
[
degrees
Functions G70 and G71 can be used to change the dependence of dimensions
on the specification made in the machine data.
Note:
G functions cannot be used to implement this options for a rotary axis that was
initialized in [deg] in the machine data.
• G70: Dimensions in 0.1 inch
When the G70 function is invoked, all subsequent distances are interpreted in
units of 0.1 inches and all subsequent speeds in 0.1 inches/min.
• G71: Dimensions in mm
When G71 is invoked, all subsequent distances are interpreted in mm and all
subsequent speeds in mm/min.
EWA 4NEB 812 6057-02
Machine Data, Modes and Traversing Programs
]
G70
G71
]
G70 and G71 ineffective
Invoke via function
5-87