Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 315)

Publication 1758-UM002D-EN-P - October 2010
Extension Modbus Protocol for DataSite Controllers (1758-FLO) 315
There is no event code for command number 25.
Command Number 26: Read Event Logs
Use command number 26 to read event logs for up to 20 events at a time.
Each event consists of 10 registers.
49031 u_short R Number of remaining new records
49032 u_short R Number of lost records
49033…49034 — — Reserved
Return codes for command number 25
Return Code Description
00 OK
100 Pass code is incorrect
Other Invalid
Parameters for command number 26
Address Data Type Attribute Description
49025 u_short RW 26
49026 u_short R Return code
0: OK
49027 u_short R Reserved
49028 u_int W Pass code for user
49030 u_short W Event start index (0…699)
49031 u_short W Number of events to load in
(1…20)
49032…49034 — — Reserved
Registers for event 1
Address Data Type Attribute Description
49035 u_short R Event index (0…65535)
49036 u_short R Reserved
49037 u_char[0] R
Year of the event date
(1)
u_char[1] R
Month of the event date
(1)
Parameters for command number 25 (Continued)
Address Data Type Attribute Description