4–26
MM300 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE
PROFIBUS DPV1
CHAPTER 4: FIELDBUS INTERFACE
Example: Request to change Modbus slave address id to 254: access level 1 is required
(consider password 11111 (2B67 in hexadecimal format) allow access to security level 1).
Step Direction
Description
Parameter
Address
(hex)
Profibus DPV1 Message (hex)
Slot
Index
Length
(bytes)
Data
1
Master -> Slave Request current
security access level
012D
31
2D
None
Slave -> Master Answer: current
security access level
31
2D
2
Access
level
2
Master -> Slave Send password
0457
14
57
2
2B 67
entry
Slave -> Master Write success
14
57
0
None
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