Rockwell Automation 1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT, -IF4ICFXT, -OF4IXT, IF2XOF2IXT FLEX I/O Isolated Analog Modules User Manual
Page 91
Publication 1794-6.5.8 - January 2010
Communication and I/O Image Table Mapping with the DeviceNet/ControlNet Adapter 91
Isolated Analog Combo Module (Cat. No. 1794-IF2XOF2I Series B)
Image Table Mapping
Module Image
I/O Image
Input Data Channel 0
Input Data Channel 1
Read Back Output Data Channel 0
Read Back Output Data Channel 1
Output Data Channel 0
Output Data Channel 1
Input Size
Output Size
0 to 7 Words
0 to 7 Words
Read
Write
Real Time Sample
PU FP CF
BD DN
V1 V0
U1 U0
W1 W0
P1 P0
Set to 0
EN S1 S0
Channel Configuration
Real Time Sample Programmed Interval
IC
RV QK CK GO
Channel #
1
Channel Filters
Q0
Q1
TR IT
Table 5.11
Analog Combo Module (1794-IF2XOF2I) Read
Word/Dec. Bit
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Word/Octal Bit
17
16
15
14
13
12
11
10
07
06
05
04
03
02
01
00
Read Word 0
Input Data Channel 0
Word 1
Input Data Channel 1
Word 2
Read Back Output Channel 0
Word 3
Read Back Output Channel 1
Word 4
0
Real Time Sample
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.