
Publication 1746-UM001A-US-P
2-8 Quick Start for Experienced Users
9. Go through the system start-up procedure. Reference
Apply power. Download your program to the SLC 500 processor and put the controller into Run mode. During
a normal start up, the module status LED and any enabled channel status LED turn on.
Chapter 6
(Module Diagnostics and
Troubleshooting)
Channel
Status LEDs
Module Status LED
ANALOG MODULE
INPUT
0-3 4-7
8-11 12-15
10. Check that the module is operating correctly. Reference
(Optional) If the Module Status LED is off, or if the Channel 0 LED is off or blinking, refer to Chapter 6.
Class 3 Interface - 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. The example below shows the Class 3 status word for channel 0 with no errors.
Chapter 5
(Channel Configuration,
Data and Status)
Chapter 6
(Module Diagnostics and
Troubleshooting)
Chapter 7
(Application Examples)
12 415 14 13 11 10 9 87 65 32
0 0111 10 0 00 00 00
10
00
Bit Number
Channel 0 Status Word (I:1.8)
• Data Format
• Calibrate Channel Status
• Filter Frequency
• Error Conditions
• Class 1 Data or Status Configuration
• Input Type
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