Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 317)

Publication 1758-UM002D-EN-P - October 2010
Extension Modbus Protocol for DataSite Controllers (1758-FLO) 317
There is no event code for command number 26.
Command Number 27: Read New Event Logs
Use command number 27 to read the new event records. The value in register
49030 indicates how many new event records have been loaded with this
reading. The maximum number is 20. Each new event record consists of 10
registers and has the same format as an event.
49195…49204 See above See above Event 17
49205…49214 See above See above Event 18
49215…49224 See above See above Event 19
49225…49234 See above See above Event 20
Return codes for command number 26
Return Code Description
00 OK
01 Event start index is invalid
02 Event numbers is invalid
100 Pass code is incorrect
Other Invalid
Parameters for command number 27
Address Data Type Attribute Description
49025 u_short RW 27
49026 u_short R Return code
0: OK
49027 u_short W Reserved
49028 u_int W Pass code for user
49030 u_short R Number of read records
49031 u_short R Number of remaining new records
49032 u_short R Number of lost records
49033…49034 — — Reserved
Registers for events 2…20 (Continued)
Address Data Type Attribute Description