Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual - Manual (Page 57)

Publication 1794-UM064B-EN-P - May 2014
Communicate With Your Module 45
Configuring Your Input Channel
Input Channel Configuration
03 02 01 00 Set these bits for Channel 0.
07 06 05 04 Set these bits for Channel 1.
11 10 09 08 Set these bits for Channel 2.
15 14 13 12 Set these bits for Channel 3.
Bit Settings Input
Values Data Format % Underrange/
% Overrange Input Range
(2)
Hexadec. Dec.
Module Update Rate
(RTSI = 0) (RTSI = 0),
IT = 1
0 0 0 0 Channel not configured
0 0 0 1 4...20 mA signed 2’s complement 4% Under; 4% Over <0000...7878> <0000...30840> 7.5 ms 5.0 ms
0 0 1 0 ± 10V signed 2’s complement 2% Under; 2% Over <831F...7CE1> <-31969...31969> 2.5 ms 2.5 ms
0 0 1 1 ± 5V signed 2’s complement 4% Under; 4% Over <8618...79E8> <-31208...31208> 2.5 ms 2.5 ms
0 1 0 0 0...20 mA signed 2’s complement % 0% Under; 4% Over <0...2710> <0...10000> 7.5 ms 5.0 ms
0 1 1 0 0...10V signed 2’s complement % 0% Under; 2% Over <0...2710> <0...10000> 5.0 ms 5.0 ms
0 1 1 1 ± 10V singed 2’s complement % 2% Under; 2% Over <-D8F0...2710> <-10000...10000> 5.0 ms 5.0 ms
1 0 0 0 0...20 mA binary 0% Under; 4% Over <0000...F3CF> <0000...62415> 2.5 ms 2.5 ms
1 0 0 1 4...20 mA (1) binary 4% Under; 4% Over <0000...F0F1> <0000...61681> 7.5 ms 5.0 ms
1 0 1 0 0...10V binary 0% Under; 2% Over <0000...F9C2> <0000...63938> 2.5 ms 2.5 ms
1 0 1 1 0...5V binary 0% Under; 4% Over <0000...F3CF> <0000...62415> 2.5 ms 2.5 ms
1 1 0 0 ± 20 mA offset binary, 8000H = O mA 4% Under; 4% Over <0618...F9E8> <1560...63976> 2.5 ms 2.5 ms
1 1 0 1 4...20 mA offset binary, 8000H = 4 mA 4% Under; 4% Over <8000...F878> <32768...63608> 7.5 ms 5.0 ms
1 1 1 0 ± 10V offset binary, 8000H = OV 2% Under; 2% Over <031F...FCE1> <799...64737> 2.5 ms 2.5 ms
1 1 1 1 ± 5V offset binary, 8000H = OV 4% Under; 4% Over <0618...F9E8> <1560...63976> 2.5 ms 2.5 ms
(1) Underrange for 4...20 mA occurs in the blind area below 0 (3.2 mA).
(2)
<and> indicates the overrun beyond actual range (about 5%).
1794-IF4I Isolated Analog Input Module Word/Bit Descriptions
Word Decimal Bit
(Octal Bit) Definition
Read Word 0 Bit 00…15
(00…17) Channel 0 Analog Data – Real time input data per your configuration.
Read Word 1 Bit 00…15
(00…17) Channel 1 Analog Data – Real time input data per your configuration.
Read Word 2 Bit 00…15
(00…17) Channel 2 Analog Data – Real time input data per your configuration.
Read Word 3 Bit 00…15
(00…17) Channel 3 Analog Data – Real time input data per your configuration.
Read Word 4 Bit 00…15
(00…17) Real Time Sample – the elapsed time in increments programmed by the real time
sample interval.