Allen-Bradley 1794-IF4I User Manual

Publication 1794-6.5.8 - January 2010
58 Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter
8 Input Analog Module (Cat. No. 1794-IF4I)
Module Image
I/O Image
Input Data Channel 0
Input Data Channel 1
Input Data Channel 2
Input Data Channel 3
Input Size
Output Size
0 to 5 Words
1 to 7 Words
Real Time Sample
PU FP CF BD DN
UnderrangeOverrange
Channel Filters
Channel Configuration
Real Time Sample Programmed Interval
IC
RV QK CK GO
Channel #
Set to 0EN
1
TR
IT
Table 4.3
Analog Input Module (1794-IF4I) 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 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 unconfigured state
FP = Field power off
CF = In configuration mode
BD = Calibration bad
DN = Calibration accepted
U = Under range for specified channel
V = Overrange for specified channel

Allen-Bradley 1794-IF4I Specifications

General

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