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L I B R A R Y F U N C T I O N S
Data Device Corporation
SB-3624XIX-3L0 Manual
www.ddc-web.com
Rev D -10/15
56
int WINAPI Read_Bite (int card, int channel)
DESCRIPTION
This routine will read the status of the BIT output of the R/D converter. The reasons a fault may be
indicated in a R/D converter are as follows:
The synchro or resolver signals have fallen below the specified voltage amplitude or there are no
analog input signals connected to the R/D converter.
Note: Both SIN and COS signals of the R/D converter must fall below 0.5 Vrms, so
the BIT may only indicate a fault at certain angles.
The synchro or resolver is moving at a rate greater than the R/D converter can accommodate. The
dynamic capability of the R/D converter is determined by the bandwidth selection and the resolution
(refer to hardware setup).
The error exceeds approximately 100 LSB’s. This condition will occur during a large step and reset
after the converter settles out.
INPUT DATA
Card = an integer between 0 and 7 for the card of interest. The card number is set in Motion
Feedback Board Manager.
RETURNED DATA
This routine returns the Bite as an integer.
EXAMPLE CODE
Code
Result/Returned Data
int Bite;
Bite = Read_Bite(2,1);
Returns Bite status for card #2, channel 1.
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