Rev D Mar 2020
Page 46
Chapter 6 Software Reference
Output Trigger Modes
When the Trig 1 Mode and Trig 2 Mode parameters are configured as outputs, the
TRIG ports can be used as a general purpose digital output, or to indicate motion
status or to produce a trigger pulse at configurable positions as follows:
Digital Output - General purpose logic output (set using the appropriate server
message).
Trig Out In Motion - Trigger output active (level) when motor 'in motion'. The output
trigger goes high (5V) or low (0V) (as set in the Trig 1. Polarity and Trig. 2 Polarity
parameters) when the stage is in motion.
Trig Out Max Vel - Trigger output active (level) when motor at 'max velocity'. The
max velocity limit that generates the trigger is dependent on the type of move
being performed, e.g. jog move, joystick move etc.
At Forward Limit - Trigger output active (level) when the Forward limit switch is
activated.
At Reverse Limit - Trigger output active (level) when the Reverse limit switch is
activated.
At Either Limit - Trigger output active (level) when either the Forward or the
Reverse limit switch is activated.
Trig Out Pos. Steps Fwd - Trigger output active (pulsed) at pre-defined positions
moving forward. Only one Trigger port at a time can be set to this mode. See
Trigger Out Position Steps for further details.
Trig Out Pos. Steps Rev - Trigger output active (pulsed) at pre-defined positions
moving backwards. Only one Trigger port at a time can be set to this mode. See
Trigger Out Position Steps for further details.
Trig Out Pos. Steps Both - Trigger output active (pulsed) at pre-defined positions
moving forwards and backward. Only one Trigger port at a time can be set to this
mode. See Trigger Out Position Steps for further details.
Trigger Out Position Steps
In the three Pos. Steps modes described above, the controller outputs a configurable
number of pulses (set in the Num. Pulses Fwd and Num. Pulses Rev parameters), of
configurable width (Trig Pulse Width), when the actual position of the stage matches the
position values configured as the Start Position and Position Interval (Start Pos. Fwd/Start
Note
The following output modes can be set to only one trigger at a time. If an attempt is
made to assign one of these modes to both trigger outputs, an error message will be
generated.
Note
If the trigger mode is not set to one of the three position modes described previously,
then the following parameters are not applicable and will be locked.
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