JVL Industri Elektronik A/S - User Manual - Integrated Stepper Motors MIS23x, 34x, 43x 133
8.2 MIS23x Registers
8.2.38 Analogue Filtered
Description: These eight registers hold the software-filtered analogue value of each of the eight I/Os:
IO-1 to IO-8. Their values are updated every ten milliseconds. See the AFZUP_xx reg-
isters 100-106 for the filter parameters. Important: Also read the section on analogue
filters in this manual.
To use the unfiltered values of the inputs for faster updates, but with no noise immunity,
use registers 89-96 instead (Analogue In, page 133).
An input voltage of 5.00 Volts corresponds to a register value of 1023.
8.2.39 Analogue In
Description: These eight registers hold the unfiltered analogue value of each of the eight I/Os: IO-1
to IO-8. Their values are updated approximately every 182 micro-seconds.
To use the filtered values of the inputs for better noise immunity, use registers 81-88 in-
stead (Analogue Filtered, page 133).
An input voltage of 5.00 Volts corresponds to a register value of 1023.
8.2.40 Busvol
Description: The supply voltage inside the motor is continually measured and stored in this register.
This value is the basis for the warnings and errors of Low Bus Voltage and Over Voltage.
8.2.41 Min_Busvol
Description: Trigger point for under-voltage
Reg Name Size Access Range Default Unit MacTalk name
81-88 Analogue Filtered 16bit R 0-1023 0 4.888mV N/A
Reg Name Size Access Range Default Unit MacTalk name
89-96 Analogue Input 16bit R 0-1023 - 4.888 mV N/A
Reg Name Size Access Range Default Unit MacTalk name
97 BUSVOL 16bit R 0-1023 - 109 mV Bus Voltage
Reg Name Size Access Range Default Unit MacTalk name
98 MIN_BUSVOL 16bit R/W 0-1023 15 109 mV Min Bus Voltage
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