Rockwell Automation 1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT, -IF4ICFXT, -OF4IXT, IF2XOF2IXT FLEX I/O Isolated Analog Modules User Manual
Page 105
Publication 1794-6.5.8 - January 2010
Input, Output, Status and Configuration Files for Analog Modules when used with ControlNet 105
Word 5
Bit 00
Reserved
Bit 01
Calibration Done bit (DN). – This bit is set to 1 after a calibration cycle is completed.
Bit 02
Calibration Bad bit (BD). – This bit is set to 1 if the channel calibration coefficients
cannot be saved or be read properly.
Bits 03-07
Set to 0.
Bits 08-11
(10-12)
Reserved
Bit 12 (14)
Set to 0.
Bit 13 (15)
Configuration mode bit (CF) – This bit is set (1) when the calibration mode is
selected (bit 15, word 5 in the block transfer write set to 1). When this bit is set (1), the
module status indicator flashes.
Bit 14 (16)
Field Power Off bit (FP) – This bit is set (1) when the 24V field power fails. When this
bit is set (1), the module status indicator flashes.
Bit 15 (17)
Power Up (unconfigured state) bit (PU). – This bit is set (1) when the configuration
word is all zeroes (0) due to a reset (adapter power cycle or module insertion) or a
cleared configuration word (all 0). When this bit is set (1), the module status indicator
flashes.
Word 6
Bits 00-03
Underrange bits (U). – These bits are set (1) when the input channel is below a preset
limit as defined by the configuration selected. U0 (bit 00) corresponds to input channel
0 and U1 (bit 01) corresponds to input channel 1, etc.
Bits 04-07
Overrange bits (V). – These bits are set (1) when the input channel is above a preset
limit as defined by the configuration selected. Bit 04 corresponds to input channel 0 and
bit 05 corresponds to input channel 1, etc.
Bits 08-15
(10-17)
Not used. Set to 0.
Configuration
Word 0
Bits 00-14
(00-16)
Not used. Set to 0.
Bit 15 (17)
Output enable bit (EN). – Not used in the 1794-IF4I module.
Word 1
Channels 0 through 3 Filter Selections
Bits 00-03
Channel 0 Filter Setting
Bits 04-07
Channel 1 Filter Setting
Bits 08-11
(10-13)
Channel 2 Filter Setting
Bits 12-15
(14-17)
Channel 3 Filter Setting
Table 6.3
Word/Bit Descriptions for Isolated Analog Input Module
Word
Decimal Bit
(Octal Bit)
Definition