High Speed I/O
HSC Pulse Output
This feature allows configuring the High-speed output to turn ON, OFF, toggle or as a pulse output. Selecting Digital
Out/PWM configuration opens the following dialog where in HSC output options are available.
OUTPUT ON: starts with LOW
When HSC1 accumulator value is greater than or equal to AQ3-4 UDINT value, then the Output Q1 becomes high
or Else it will be Low.
OUTPUT OFF: starts with High
When HSC1 accumulator value is greater than or equal to AQ3-4 UDINT value, then the Output Q1 becomes Low
or Else it will be high.
OUTPUT TOGGLE:
When HSC1 accumulator value is equal to AQ3-4 UDINT value, then the Output Q1 Toggles.
OUTPUT PULSE:
The new “Output Pulse” option would allow sending a configurable output pulse on a timer match. The Starting ana-
log output allows two additional 32-bit words that will define the output pulse in microseconds.
Functionality: When the counter accumulator matches the match value stored in %AQ registers, the HSC output
will be enabled. The firmware will then wait based on the configurable microsecond pulse width. After the elapsed
time, the output will be turned off.
If another match happens while the countdown to turn off the output, then the pulse countdown will restart but the
output will not change state until the countdown happens.
When HSC1 accumulator value is equal to AQ3-4 UDINT value, then the Output Q1 becomes high for AQ27-28
UDINT value microseconds.
NOTE: Resolution for the pulse width will be limited to 50 microseconds on the Micro OCS series hardware.
NOTE:
a. Match value is stored in register AQ5-6 UDINT for HSC2.
b. AQ29-30 UDINT is Pulse width value for HSC2
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