0x2A0A - PWM inputs

Index	Sub Index	Name	Data Type	Acc.	Pdo Map.	NVM	Value range	Default value	Units
0x2A0A	0x01	Max PWM frequency	UINT32	CONST	No	No	UINT32	7500000	Hz
0x2A0A	0x02	PWM period 1	UINT16	RO	Yes	No	UINT16	-	Reference ticks
0x2A0A	0x03	PWM duty 1	UINT16	RO	Yes	No	UINT16	-	Reference ticks
0x2A0A	0x04	PWM period 2	UINT16	RO	Yes	No	UINT16	-	Reference ticks
0x2A0A	0x05	PWM duty 2	UINT16	RO	Yes	NO	UINT16	-	Reference ticks

This object indicates the result of the PWM input readings:

0x2A0A;0x01: maximum PWM signal frequency, for both inputs, supported by the drive (cannot be modified). This register is used for computing the reference tick time, this can be calculated as the inverse of this register:
0x2A0A;0x02: this register contains the measurements of HS_GPI 1 period in ticks.
0x2A0A;0x03: this register contains the measurements of HS_GPI 1 duty cycle in ticks.
0x2A0A;0x04: this register contains the measurements of HS_GPI 2 period in ticks.
0x2A0A;0x05: this register contains the measurements of HS_GPI 2 duty cycle in ticks.

Example:

A square signal of 10 KHz with 20% of duty cycle is injected in PWM input 1. (max PWM frequency is 7500000)

Then we can compute from measurements: Period = (750 * 0.13333 us) ≈ 100 us
Duty = 150 / 750 = 20 %

PWM readings are only available if the corresponding High speed GPI has attached the "PWM capture" function. See 0x2A10 - GPI mapping parameter register.