Horner APG XL7 OCS - Manual (Page 51)

XL7 User Manual
NOTE: Setting the PLC mode to stop while the stepper is in operation causes the stepper output to
immediately drop to zero and the current stepper count to be lost.
NOTE: The stepper output level may cause damage or be incompatible with some motor drive inputs.
Consult drive documentation to determine if output level and type is compatible.
11.6 PWM Functions Register Map
The register assignments for the high speed I/O can be moved via a setting in Cscape. The values shown
are the DEFAULT values and may not match the same starting point as the values shown below.
Table 11.3 – PWM Functions Register Map
Register PWM Stepper
%AQ421-422 PWM 1 Duty Cycle (32-bit) Start Frequency – Stepper 1
%AQ423-424 PWM 1 Frequency Run Frequency – Stepper 1
%AQ425-426 Acceleration Count – Stepper 1
%AQ427-428 Run Count – Stepper 1
%AQ429-430 Deceleration Count – Stepper 1
%AQ431-432 PWM 2 Duty Cycle (32-bit) Start Frequency – Stepper 2
%AQ433-434 PWM 2 Frequency Run Frequency – Stepper 2
%AQ435-436 Acceleration Count – Stepper 2
%AQ437-438 Run Count – Stepper 2
%AQ439-440 Deceleration Count – Stepper 2
%Q1 Digital Out – Stepper 1
%Q2 Digital Out – Stepper 2
%I1617 Ready/Done – Stepper 1
%I618 Error – Stepper 1
%I1619 Ready/Done – Stepper 2
%I620 Error – Stepper 2
11.7 PWM Examples
Example 1 Duty Cycle Frequency
To get a 50% Duty Cycle @ 10 kHz
waveform on PWM1:
Set %AQ421-422 = 16,000 Set %AQ423-424 = 10,000
Example 2 Duty Cycle Frequency
To get a 50% Duty Cycle on PW1 and
90 % Duty Cycle on PWM2 @ 1 kHz
waveform:
Set %AQ421-422 = 16,000
Set %AQ431-432 = 28,800
(duty cycle (32000 * 0.9))
Set %AQ423-424 = 1,000
Set %AQ433-434 = 1,000
Example 3 Duty Cycle Frequency
To turn PWM 1 output ON all the time Set %AQ421-422 = 32,000 Set %AQ423-424 = Any Value
Example 4 Duty Cycle Frequency
To turn PWM 1 output OFF all the
time
Set %AQ421-422 = 0 Set %AQ423-424 = Any Value
Page 51 of 110