4–28
MM300 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE
PROFIBUS DPV1
CHAPTER 4: FIELDBUS INTERFACE
Preset Single Register
(store single setpoint
– Modbus function
06H)
The Preset Single Register Modbus function was implemented. The DP-V1 addressing
principle defined for reading operations is applicable. The only difference is that set point
data address must be added to 6000H.
Note that the security access procedure defined in the section PARAMETER ACYCLIC WRITE
OPERATION must be followed.
Profibus DPV1-Diagnostics
MM300 DPV1 diagnosis data is structured as shown below:
The extended diagnosis consists of Process Alarms and Diagnostic Alarms.
Trip, Alarm, and Control status are categorized as Process Alarms, as these provide
information pertaining to the Motor health that MM300 is controlling and monitoring.
Messages are categorized as Diagnostic Alarms as these provide detailed MM300
diagnostic information.
The detailed message layout explaining what information each bit provides is as follows:
115
Manual Mode
50
00
02
00 73
121
Start Datalog
50
00
02
00 79
122
Stop Datalog
50
00
02
00 7A
Operation Code
(decimal)
Command
Profibus DPV1 (hex)
Slot
Index
Length
(bytes)
Data
Data to be read
Set Point address
(hex)
DPV1 composed
address (hex)
DPV1 Parameters
(hex)
Length
(bytes)
Slot
Index
Set Modbus
address
00AB
00AB + 6000 = 60AB
60
AB
2
Set Current
Sensing - CT
Primary
010A
010A + 6000 = 610A
61
0A
2
