
54
model 3000 DeviceNet Module Manual (DN311/DN311A)
Chapter 4 Operating Procedures for the DN311 (Software)
4
4.2.2
RAS information area
This area shows the DN311's module status and status of communication with the
network and slave devices. Don't write data in this area. Otherwise, there is a possibility
of being unable to read the correct data. The addresses in Figure 4-10 are word
addresses as viewed from the S controller.
Figure 4-10 RAS Information Area Configuration
0300H
Network power unit yes/no (1 word)
0301H
Operation mode in case of busoff (1 word)
0302H
Network communication rate (1 word)
0303H
Local station node address (1 word)
0304H
Input/output data setting information (640 words)
0584H
Reserved (12 words)
0590H
Bit strobe no-response device (4 words)
0594H
Polling no-response device (4 words)
0598H
Reserved (10 words)
05A2H
Number of polling devices (1 word)
05A3H
Number of bit strobe devices (1 word)
05A4H
Number of on-line devices (1 word)
05A5H
Total number of devices (1 word)
05A6H
Configuration information (32 words)
05C6H
Node error counter (7 words)
05CDH
Completion of module initialization (1 word)
05CEH
Reserved (1 word)
05CFH
Polling/Bit strobe scan cycle (5 words)
05D4H
Down information (1 word)
05D5H
Station status (1 word)