Modbus RS485 Stepper Drive User Manual
Interrupt function timing sequence
5.5 Trigger Methods
5.5.1 CTRG Trigger
When the path triggered by CTRG, it can be configured for rising edge triggering or double edge triggering. (No
falling edge trigger function).
Global Control function of PR:
Bit0: CTRG
=0: Rising edge trigger
=1: Double edge trigger;
Bit1:
=0: Soft limit is invalid
=1: Soft limit is valid;
Bit2:
=0: homing after power up is invalid
=1: homing after power up is valid;
For example: 4-segment PR path
The CTRG trigger method requires not only the configuration of the required number of paths, but also the setting of
an additional input to the CTRG signal
SI4 is set to enable input by default, normally closed.
SI1 is set to ADD0. normally open,
SI2 is set to ADD1, normally open,
Set SI5 as trigger (CTRG).