CS-Lab CSMIO IP-S User Manual page 63

Due to connection of STEP/DIR signals to the drive (both servo and stepper drives) pay attention
which STEP edge is active.
Example:
While connecting the controller– e.g. for the M542 stepper motor you should connect the PUL+ sig-
nal to STEP+ and PUL- output to STEP signal of CSMIO/IP. This way – switching on the optocoupler in
the M542 will be followed at proper edge of the CSMIO/IP-S STEP signal. If the connection is incor-
rect, 1 step will be lost during every direction change. After a long work, it may accumulate large
position error.
If needed (e.g. if there are position errors) STEP signal polarization may be changed by program, indi-
vidually for each axis It is set in menu „ConfigPorts and Pins", „Motor Outputs" tab, „Step Low
Active" column.
C S - L a b s . c . – C S M I O / I P - S - C N C C o n t r o l l e r Page 63