Rockwell Automation 1747-ACNR15 ControlNet Adapter Module Installation Instructions - Manual (Page 13)

ControlNet Adapter Module 13
Publication 1747-IN017C-EN-P - May 2001
Powerup Sequence
There are three health indicators on the module. The indicator on the right (labeled
“OK”) is the general module health indicator. The indicator in the middle (labeled
“A”) is the health indicator for cable A. On the 1747-ACNR15, the indicator on the
left (labeled “B”) is the health indicator for cable B. Also, the alphanumeric display
can display module status. The following describes the normal power-up sequence
for the adapter module.
1. Apply power to the chassis - notice that the A and B indicators are off, the
OK indicator is red, and the status window indicates “POST” (Power On Self
Test).
2. After “POST”, the status window displays the sequence “0000”, “1111”,
“2222”, through “9999”. During this time, the A and B indicators are off and
the OK indicator appears amber.
3. The series and revision levels are then displayed in the status window. A
series A revision level B module would display “A/B”. During this time, the
A and B indicators are off and the OK indicator appears amber.
4. After the operating system is loaded and initialized, the status window and
the indicators indicate the status of the module and its connections to the
cable(s). If the module address is not zero and a valid ControlNet connection
is made to either channel A or B, then the status window toggles between
“ACTV” (Active) and the module node address (“A#02” equals node address
number 2). If there are no active connections, the status window displays
“IDLE”.
5. If there is a hardware problem of any kind, the health indicator turns red
and the status window toggles between “FATL” and either one or two
numbers. The “FATL” indicates that there was a fatal error, and the numbers
indicate the error code.
ADDRESS/STATUS
B A OK
Status
Health Indicators
Channel A and B
indicators