5
Operation
Festo – EXCM-30/-40-...-PF-EN – 1603 – English
41
The CPOS control byte controls the positioning sequences after the drive is enabled.
Control byte 2 (CPOS)
Bit
Function
Description
0
Positioning
Relative
REL
= 0
= 1
Positioning absolute
Positioning relative to the last setpoint value
Only effective in direct mode
1
Start positioning
task
START
With a rising edge, the current setpoint values are accepted
and positioning started.
2
Start homing
HOME
A rising edge starts homing with the preset parameters.
3
Jog positive
JOGP
As long as the bit is set, the drive travels with configured
speed in the direction of larger actual values of the axis
selected in AXSEL.
4
Jog negative
JOGN
As long as the bit is set, the drive travels with configured
speed in the direction of smaller actual values of the axis
selected in AXSEL.
5
Reserved
= 0
Reserved
6
Reserved
= 0
Reserved
7
Reserved
= 0
Reserved
Tab. 5.6
Control byte CPOS