Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual User Manual
Page 68
2–48
How Communication Takes Place and I/O Image Table Mapping
Publication 1794ĆUM057B-EN-P - November 2001
Isolated Analog Combo Module (1794ĆIF2XOF2I 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 S 1 S 0
Channel Configuration
Real Time Sample Programmed Interval
IC
RV QK CK GO
Channel #
1
Channel Filters
Q0
Q1
TR IT
Isolated 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 1
Input Data Channel 0
Word 2
Input Data Channel 1
Word 3
Read Back Output Channel 0
Word 4
Read Back Output Channel 1
Word 5
0
Real Time Sample
Word 6
PU FP
CF
0
Reserved
0
0
0
0
0
BD DN
0
Word 7
0
0
0
0
P1
P0
0
0
0
0
V1
V0 W1 W0 U1
U0
Write Word 1
EN
S1
S0
0
0
0
0
0
0
0
0
0
0
0
0
0
Word 2
Output Data Channel 0
Word 3
Output Data Channel 1
Word 4
0
0
0
0
0
0
0
0
Input Channel 1 Filter
Input Channel 0 Filter
Word 5
Output Channel 1
Configuration
Output Channel 0
Configuration
Input Channel 1
Configuration
Input Channel 0
Configuration
Word 6
0
Real Time Sample Programmed Interval
Word 7
IC
1
TR
IT
Q1 Q0
0
0
RV QK CK GO
Channel Number