Input data behavior upon module removal – Rockwell Automation 1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT, -IF4ICFXT, -OF4IXT, IF2XOF2IXT FLEX I/O Isolated Analog Modules User Manual
Page 103
Publication 1794-6.5.8 - January 2010
Input, Output, Status and Configuration Files for Analog Modules when used with ControlNet 103
Input Data Behavior Upon
Module Removal
I/O module input data sent by the adapter upon module removal is
configurable. The adapter can:
•
reset the module output data to zero (reset)
•
leave the module output data in the last state before module
removal (hold last state)
4 Input Isolated Analog Module (Cat. No. 1794-IF4I, 1794-IF4IXT,
1794-IF4ICFXT) Table Mapping
Set EN bit Off (0) for Configuration block. Module actions (Reset, Safe
State and Hold Last State) are set using programming software.
To find the image table for:
See page:
4 Input Isolated Analog Module (Cat. No. 1794-IF4I)
4 Output Isolated Analog Module (1794-OF4I)
Isolated Analog Combo Module (1794-IF2XOF2I)
Table 6.1 Input Map
Dec.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Oct.
17
16
15
14
13
12
11
10
7
6
5
4
3
2
1
0
Word 0
Analog Value Channel 0
Word 1
Analog Value Channel 1
Word 2
Analog Value Channel 2
Word 3
Analog Value Channel 3
Word 4
Real Time Sample
Word 5
PU
FP
CF
0
Reserved
0
0
0
0
0
BD
DN
0
Word 6
0
0
0
0
0
0
0
0
V3
V2
V1
V0
U3
U2
U1
U0
Where :
PU = Power up inconfigured
FP = Field power off
CF = In configuration mode
BD = Bad calibration
DN = Calibration accepted
U = Underrange for specified channel
V = Overrange for specified channel