Rockwell Automation 1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT, -IF4ICFXT, -OF4IXT, IF2XOF2IXT FLEX I/O Isolated Analog Modules User Manual
Page 70
Publication 1794-6.5.8 - January 2010
70 Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter
Word 5
PU
FP
CF
0
Reserved
0
0
0
0
0
BD
DN
0
Word 6
0
0
0
0
P1
P0
0
0
0
0
V1
V0
W1
W0
U1
U0
Where:
PU = Power up unconfigured state
FP = Field power off
CF = In configuration mode
BD = Calibration bad
DN = Calibration accepted
P0 and P1 = Output holding in response to Q0 thru Q1
W0 and W1 = Wire off current loop status for input channels 0 and 1 respectively. (Not used on voltage outputs.)
U0 and U1 = Underrange for input channels o and 1 respectively.
V0 and V1 = Overrange for input channels o and 1 respectively.
Table 4.14
Analog Combo Module (1794-IF2XOF2I) Read
Table 4.15
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
0
0
0
0
Channel not configured
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