Delta Tau Geo Direct PWM Amplifier Instalační manuál stáhnout pdf (Strana 40)

Geo Direct PWM Amplifier

Power PMAC2 Drive Setup 40

POWER PMAC2 DRIVE SETUP

Caution

The ADC Strobe Word, Gate1[i].AdcStrobe, must be set to $3FFFFF

for proper operation in default mode. Failure to do so could result in

damage to the amplifier.

Key Gate Parameters

The following Gate-specific parameters are essential for the proper software setup of the Geo Direct

PWM Drive:

Structure Element

Description

Typical/Default

Notes

Gate1[i].PwmPeriod

PWM Frequency

6527

4.50 KHz PWM

Gate1[i].PhaseClockDiv

Phase clock divider

9.00 KHz Phase

Gate1[i].ServoClockDiv

Servo clock divider

2.25 KHz Servo

Gate1[i].HardwareClockCtrl

Hardware Clocks

2258

2.50 MHz ADC Clock

Sys.ServoPeriod

= 1000 * (Gate1[4].ServoClockDiv + 1) / 18000

Sys.PhaseOverServoPeriod

= 1 / (Gate1[4].ServoClockDiv + 1)

Gate1[i].AdcStrobe

ADC Strobe Word

$3FFFFF

Default Mode

Gate1[i].Chan[j].OutputMode

Output mode

PWM output

Note

Sys.ServoPeriod and Sys.PhaseOverServoPeriod must be re-computed

if the main clocks (Phase, PWM, and Servo) are changed.

Note

The above settings require a Save and a Reset ($$$) on the PMAC

side in order to take effect.

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