Allen-Bradley 1794-IF4I User Manual

Publication 1794-6.5.8 - January 2010
92 Communication and I/O Image Table Mapping with the DeviceNet/ControlNet Adapter
Table 5.12
Configuring Your Input Channels
Input Channel Configuration
03 02 01 00 Set these bits for Channel 0
07 06 05 04 Set these bits for Channel 1
Bit Settings Input
Values
Data Format % Underrange
%Overrange
Input Range
(2)
Module Update Rate
Hexadecimal Decimal (RTSI = 0) (RTSI = 0)
IT = 1
0000Channel not configured
00014–20mAsigned 2’s complement 4% Under; 4% Over <0000–7878> <0000–30840> 7.5ms 5.0ms
0010±10V signed 2’s complement 2% Under, 2% Over <831F–7CE1> <–31969–31969> 2.5ms 2.5ms
0011±5V signed 2’s complement 4% Under, 4% Over <8618–79E8> <–31208–31208> 2.5ms 2.5ms
01000–20mAsigned 2’s complement % 0% Under, 4% Over 0–2710> 0–10000> 7.5ms 5.0ms
01014-20mA signed 2’s complement % 4% Under, 4% Over <0–2710> <0–10000> 7.5ms 5.0ms
01100–10V signed 2’s complement % 0% Under, 2% Over 0–2710> 0–10000> 5.0ms 5.0ms
0111±10V signed 2’s complement % 2% Under, 2% Over <–D8F0–2710> <–10000–10000> 5.0ms 5.0ms
10000–20mAbinary 0% Under, 4% Over0000–F3CF> 0000–62415> 2.5ms 2.5ms
1001
4–20mA
(1)
binary 4% Under, 4% Over 0000–F0F1> 0000–61681> 7.5ms 5.0ms
10100–10V binary 0% Under, 2% Over0000–F9C2> 0000–63938> 2.5ms 2.5ms
10110–5V binary 0% Under, 4% Over0000–F3CF> 0000–62415> 2.5ms 2.5ms
1100±20mA offset binary, 8000H = 0mA 4% Under, 4% Over <0618–F9E8> <1560–63976> 2.5ms 2.5ms
11014–20mAoffset binary, 8000H = 4mA 4% Under, 4% Over <8000–F878> <32768–63608> 7.5ms 5.0ms
1110±10V offset binary, 8000H = 0V 2% Under, 2% Over <031F–FCE1> <799–64737> 2.5ms 2.5ms
1111±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 5.13
Setting the Input Filter
Bits Channel
03 02 01 00 Input Channel 0
07 06 05 04 Input Channel 1
A/D Conversion
Rate
Low Pass Filter
00001200Hz No low pass
00011200Hz 100ms low pass
00101200Hz 500ms low pass
00111200Hz 1000ms low pass
0100600Hz No low pass
0101600Hz 100ms low pass
0110600Hz 500ms low pass

Allen-Bradley 1794-IF4I Specifications

General

Brand	Allen-Bradley
Model	1794-IF4I
Category	I/O Systems
Language	English