CTI 2500-RIO-B Installation and Operation Guide V1.4
13
2.9. System Status Words
There are a number of system status words which are important in observing remote I/O system
operation and isolating problems. If you are experiencing remote I/O problems, you should pay
careful attention to the following status words.
STW2
Base controller status
STW11-26
I/O module status
STW145
Remote I/O receive errors
STW146
Remote I/O timeout errors
STW168
Dual RBC Status
STW184
I/O module mismatch
STW210
Remote I/O base poll enable flags
Note: Addresses above STW242 are used only by CTI’s 2500 Series® CPU’s.
STW455-461 Remote base receive errors
STW471-485 Remote base abnormal logoff counts
STW487-501 Remote base timeout counts
More complete information and a list of the 2500 Series® Processor System Status Words can be
found in the 2500 Series® Processor Installation and Operation Guide: