Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Manual de usuario Pagina 41

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Publication 1794-UM064B-EN-P - May 2014
Communicate With Your Module 29
1794-IR8 Word/Bit Descriptions
Word Decimal Bit Definition
Read Word 0 00…15 (00…17) Reserved
Read Word 1 00…15 (00…17) Channel 0 Input data
Read Word 2 00…15 (00…17) Channel 1 Input data
Read Word 3 00…15 (00…17) Channel 2 Input data
Read Word 4 00…15 (00…17) Channel 3 Input data
Read Word 5 00…15 (00…17) Channel 4 Input data
Read Word 6 00…15 (00…17) Channel 5 Input data
Read Word 7 00…15 (00…17) Channel 6 Input data
Read Word 8 00…15 (00…17) Channel 7 Input data
Read Word 9 00…07 Underrange bits – these bits are set if the input signal is below the input
channel’s minimum range.
0815 (10…17) Overrrange bits – these bits are set if 1), the input signal is above the
input channel’s maximum range, or 2), an open detector is detected.
Read Word 10 00…01 Not used – set to 0
02 Reserved
03 Power Up bit – this bit is set (1) until configuration data is received by the
module.
04…06 Critical Error bits – If these bits are anything other than all zeroes, return
the module to the factory for repair.
07 Unused – set to 0
08 (10) Calibration Out of Range bit – set to 1 if a reference signal is out of
range during calibration.
09 (11) Calibration Done bit – set to 1 after an initiated calibration cycle is
complete.
10 (12) Calibration Bad bit – set to 1 if the channel has not had a valid
calibration.
11…15 (13…17) Unused – set to 0.
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