Software User Manual FRN 1.2 Owner manual

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