GE MM300 Manual page 104

PROFIBUS DPV1
4–26
3URILEXV '39 :ULWH VHWSRLQW SURFHVV
3URILEXV 0DVWHU
5HTXHVW DFHVV
OHYHO
+DV DFFHVV
SULYLOHJHV"
<HV
6HQG SUHVHW
YDOXHV
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
1 Master -> Slave Request current
security access level
Slave -> Master Answer: current
security access level
2 Master -> Slave Send password
entry
Slave -> Master Write success
$QVZHU DFFHVV
1R
6HQG SDVVZRUG
HQWU\
SDVVZRUG"
8SGDWH DFFHVV
OHYHO UHJLVWHU
9DOLG DFFHVV
6DYH 6HWSRLQWV
Parameter Profibus DPV1 Message (hex)
Address
Slot
(hex)
012D 31
31
0457 14
14
MM300 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE
CHAPTER 4: FIELDBUS INTERFACE
3URILEXV 6ODYH
OHYHO
9DOLG
1R ,JQRUH
<HV
1R ,JQRUH
OHYHO"
Index Length Data
(bytes)
2D None
2D 2 Access
level
57 2 2B 67
57 0 None