Input status words, Input status words -4, Channel input status word 1 (class 1 and class 3) – Rockwell Automation 1746-NO8V SLC 500 8-Point Analog Output Module/ User Manual User Manual
Page 48
Publication 1746-UM026A-EN-P - September 2003
5-4 I/O Data and Status Information
Input Status Words
Channel Input Status Word 1 (Class 1 and Class 3)
Words 0 through 7 of the input image file (addresses I:e.0 through
I:e.7) reflect the configuration and status of each channel. Use the data
provided in these status words to determine various channel
conditions. Input Status 1 addressing and bit definitions are shown in
the following figures:
Figure 5.3 Input Status 1
Input Image Words 0 through 7
Function
Input Status 1
Cl
ass 1
and Cl
ass
3
I:e.0
Channel 0
I:e.1
Channel 1
…
I:e.6
Channel 6
I:e.7
Channel 7
Table 5.3 Input Status 1 Word Details
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Output channel disable
Output channel enable
0
1
1746-NO8V Output Ranges:
±10V dc
1 to 5V dc
0 to 5V dc
0 to 10V dc
0
0
1
1
0
1
0
1
1746-NO8I Output Ranges:
0 to 21 mA
4 to 20 mA
0 to 20 mA
Invalid
0
0
1
1
0
1
0
1
Invalid
0
1746-NO4 compatible format
Engineering units
Scaled for PID
Proportional counts
User-defined scale
Invalid
Invalid
Invalid
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Invalid
0
0
0
0
0
24V Power Failure
1
Current Loop Open
1
Module/SLC Resetting
1
Fatal Channel Error
1