Rockwell Automation 1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT, -IF4ICFXT, -OF4IXT, IF2XOF2IXT FLEX I/O Isolated Analog Modules - Manual (Page 82)

Publication 1794-6.5.8 - January 2010
82 Communication and I/O Image Table Mapping with the DeviceNet/ControlNet Adapter
0 0 0 1 4–20mA signed 2’s complement 4% Under; 4% Over <0000–7878> <0000–30840> 7.5ms 5.0ms
0 0 1 0 ±10V signed 2’s complement 2% Under, 2% Over <831F–7CE1> <–31969–31969> 2.5ms 2.5ms
0 0 1 1 ±5V signed 2’s complement 4% Under, 4% Over <8618–79E8> <–31208–31208> 2.5ms 2.5ms
0 1 0 0 0–20mA signed 2’s complement % 0% Under, 4% Over 0–2710> 0–10000> 7.5ms 5.0ms
0 1 0 1 4-20mA signed 2’s complement % 4% Under, 4% Over <0–2710> <0–10000> 7.5ms 5.0ms
0 1 1 0 0–10V signed 2’s complement % 0% Under, 2% Over 0–2710> 0–10000> 5.0ms 5.0ms
0 1 1 1 ±10V signed 2’s complement % 2% Under, 2% Over <–D8F0–2710> <–10000–10000> 5.0ms 5.0ms
1 0 0 0 0–20mA binary 0% Under, 4% Over 0000–F3CF> 0000–62415> 2.5ms 2.5ms
1 0 0 1 4–
20mA
(1)
binary 4% Under, 4% Over 0000–F0F1> 0000–61681> 7.5ms 5.0ms
1 0 1 0 0–10V binary 0% Under, 2% Over 0000–F9C2> 0000–63938> 2.5ms 2.5ms
1 0 1 1 0–5V binary 0% Under, 4% Over 0000–F3CF> 0000–62415> 2.5ms 2.5ms
1 1 0 0 ±20mA offset binary, 8000H = 0mA 4% Under, 4% Over <0618–F9E8> <1560–63976> 2.5ms 2.5ms
1 1 0 1 4–20mA offset binary, 8000H = 4mA 4% Under, 4% Over <8000–F878> <32768–63608> 7.5ms 5.0ms
1 1 1 0 ±10V offset binary, 8000H = 0V 2% Under, 2% Over <031F–FCE1> <799–64737> 2.5ms 2.5ms
1 1 1 1 ±5V offset binary, 8000H = 0V 4% Under, 4% Over <0618–F9E8> <1560–63976> 2.5ms 2.5ms
(1) Underrange for 4-20mA occurs in the blind area below 0 (3.2mA).
(2) < and > indicate the overrun beyond actual range (about 5%).
Table 5.5
Configuring Your Input Module
Table 5.6
Word/Bit Descriptions for the 1794-IF4I Isolated Analog Input Module
Word Decimal Bit
(Octal Bit) Definition
Word 1 Bits 00-15
(00-17) Channel 0 analog data – Real time input data per your configuration
Word 2 Bits 00-15
(00-17) Channel 1 analog data – Real time input data per your configuration
Word 3 Bits 00-15
(00-17) Channel 2 analog data – Real time input data per your configuration
Word 4 Bits 00-15
(00-17) Channel 3 analog data – Real time input data per your configuration
Word 5 Bits 00-15
(00-17) Real Time Sample. The elapsed time in increments programmed by the real
time sample interval.