Horner-apg XL7 OCS Bedienungsanleitung PDF herunterladen (Seite 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

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

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