Rockwell Automation 1746-NT4 Series B,D17466.6.1 SLC 500 4-Channel Thermocouple/mV Input Module User Manual - Manual (Page 27)

Publication 1746-UM007C-EN-P - July 2004
Quick Start for Experienced Users 2-7
9. Go through the system start-up proceedure. Reference
Apply power. Download your program to the SLC and put the controller into Run mode. In this
example during a normal start up, the module status LED and channel status 0 LED turn on. Chapter 7
(Module
Diagnostics and
Troubleshooting)
0
1
2
3
INPUT
Channel LEDs
Module Status LED MODULE STATUS
CHANNEL
THERMOCOUPLE/mV
STATUS
10. Check module operation. Reference
(Optional) Monitor the status of input channel 0 to determine its configuration setting and
operational status. This is useful for troubleshooting when the blinking channel LED indicates
that an error has occurred. If the Module Status LED is off, or if the Channel 0 LED is off or
blinking, refer to chapter 7. Chapter 5
(Channel
Configuration,
Data, and
Status)
Chapter 6
(Ladder
Programming
Examples)
Chapter 8
(Application
Examples)
Channel 1 Data Word
Channel 2 Data Word
Channel 3 Data Word
Output Image
SLC 500 Controller
Data Files
Bit 15 Bit 0
Word 1
Word 2
Word 3
Address
I:1.4
Input Image
Channel 0 Data Word Word 0
Word 7
(8 words)
Channel 1 Status Word
Channel 2 Status Word
Channel 3 Status Word
Channel 0 Status Word 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
Input
Type
Data Format Open Circuit
Type
Temperature Units Filter Frequency Channel Status Open Circuit Error Under Range Error Over Range Error Configuration Error
For this example, during normal operation only bit 11 is set.
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