Diagnostic bits in word 5 of the btr file, Chapter summary – Rockwell Automation 1794-IJ2XT FLEX I/O Frequency Input Modules User Manual User Manual

Page 63

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Publication 1794-6.5.11 - September 2011

Troubleshoot the Module 37

Diagnostic Bits in Word 5 of the BTR File

Chapter Summary

This chapter explained how to interpret the status indicators of the frequency
input module and the internal diagnostics that indicates the condition of the
module.

Diagnostic Bits in Word 5

Word 5

Bits 00…03

Diagnostic Status – indicates the response from the module; a normal or non-normal
operating condition.

Bit

03

02

01

00

Decimal equivalent and condition

0

0

0

0

0 = Normal operation (no failure)

0

0

0

1

1 = Calibration failure

0

0

1

0

2 = Configuration failure – a Minimum Frequency
Sample Time value other than 0…9 was selected

0

0

1

1

3 = Message failure

0

1

0

0

4 = Lead break detection hardware failure

0

1

0

1

5 = Major hardware failure

0

1

1

0

6 = EEPROM failure

0

1

1

1

7 = RAM failure

1

0

0

0

8 = ROM failure

1

0

0

1

9 = Calculation failure
The actual frequency is greater than 32,767 Hz or
3,276.7 Hz (overrange).
The scaled Frequency is greater than 32,767 Hz or
3,276.7 Hz (overrange).
The % Full Scale calculation (based on Maximum
Frequency) is > 3,276.7%.

1010…1111

10…15 = Not used

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

word 5

45375

See table, Diagnostic Bits in Word 5, for diagnostics

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