3002 system clock – Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set User Manual
Page 720
Paramacros
Chapter 28
28-20
#3002
System Clock
This parameter is referred to as a clock parameter and references an hour
counter. It is a read-write parameter with negative value assignments being
illegal. The maximum value for this parameter is 1 year (8760 hours).
The parameter value is maintained when power is lost. It is incremented
by .000005556 every 20 ms.
#3003
Block Execution Control 1
Use this parameter to control whether the control ignores single-block
mode and to control when M-codes are executed in a block. The value of
this parameter ranges from 0 to 3, and it is a write-only parameter.
These results occur when parameter 3003 is set to the corresponding
values:
Value:
Single-block mode:
M-codes are executed:
0
can be activated
at the beginning of the program blocks execution
1
requests are ignored
2
can be activated
after the complete execution of the other commands in the
block
3
requests are ignored