Command number 26: read event logs – Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 User 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