Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual - Manual (Page 34)

Publication 1794-UM064B-EN-P - May 2014
22 Communicate With Your Module
Read Word 8 Bits 00…07 Underrange bits (U) for individual channels (4...20 mA current input only) –
Bit 00 corresponds to input channel 0, bit 01 corresponds to input channel
1, and so on. When set (1), indicates either a broken or open input wire, or
input current below 4.20 mA.
Bits 08…14 Not used – set to 0.
Bit 15 Power up bit – included in Series B modules only. This bit is 0 in series A
modules. This bit is set to 1 when all bits in the configuration register are 0
(unconfigured state). The configuration register can be cleared by either of
the reset inputs, or by the user writing all zeroes to it.
Write Word 0 Bits 00…07 Full range bits (F) for individual channels – Bit 00 corresponds to input
channel 0, bit 01 corresponds to input channel 1, and so on. Refer to range
selection table.
Bits 08…15 Configure select bits (C) for individual channels – Bit 08 corresponds to
input channel 0, bit 09 corresponds to input channel 1, and so on. Refer to
range selection table.
Write Word 1 Bits 00…15 Not used – set to 0
Write Word 2 Bits 00…15 Not used – set to 0
Write Word 3 Bits 00…15 Not used – set to 0
Write Word 4 Bits 00…15 Not used – set to 0
Write Word 5 Bits 00…15 Not used – set to 0
1794-IE8 Word/Bit Descriptions
Word Decimal Bit Definition