Spectrum-controls 1771sc-IFE32 Bedienungsanleitung PDF herunterladen (Seite 31)

Chapter 4: Configuring Your Module 21

Channel Update times based on filter frequency are listed below.

Filter 1 Channel 16 Channels 32 Channels

7.8 Hz 120 ms 1920 ms 3840 ms

13.65 Hz 67.8 ms 1085 ms 2170 ms

209.6 Hz 5.4 ms 86.5 ms 173 ms

1667 Hz 2.1 ms 33.6 ms 67.2 ms

Automatic System CalibrationAutomatic System Calibration

Automatic System Calibration

(Autocal)(Autocal)

(Autocal)

The built in capability of the Analog to Digital Converter to perform system calibra-

tions may be performed at a rate defined by the user. The exact time of system

calibration can not be specified, only the rate at which is performed.

Word/Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Group

20 Automatic Calibration Rate Autocal

The table below illustrates the configuration options using Configuration Word 20.

AutoCal: Rate:

0* Once every 30 minutes.

1 Once an hour.

2 Once a day.

3 On command.

4 Once on power on/reset only.

* -Default

Flags Flags

Flags

The user may specify the Block Transfer Read size using Configuration Word 21.

Word/Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Group

21 Debug Flags Debug Flags

Settings are as follows:

0 PU 1 = Power up complete

1 OR* 1 = Out of range error occurred

2 IS 1 = Invalid scaling detected

3 RTS 1 = Real time sampling BTR timeout

4 CS* 1 = Calibration status

5 EE 1 = EEPROM valid

6 HF 1 = Hardware fault

7 CE* 1 = Configuration Error

* Channel faults. Channels 1 – 32 (1 to 20hex) loaded in diagnostics data.

If configuration error and 0 in diagnostics data, RTS or autocal values are invalid.

Power up complete

This bit is set when the power up test is complete, no hardware failures were de-

tected, and the module is ready to start processing block transfer write requests and/

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