39
PME-MP55
HBMA0563-5.6 en
To exit from ”Operational” status use the message ”Enter_Pre_Oper-
ational_State”:
CAN identifier 0
1st data byte 128
2nd data byte Module address (0 = all)
7.3 Parameter assignment
Parameter assignment messages affecting the module are transmitted in the
form of “Service Data Objects” (SDOs, as defined in CANopen). These ad-
dress the various parameters by an index and subindex number. For informa-
tion on these index numbers please refer to the object directory. Data formats
with a length of more than one byte are always sent in the sequence LSB-
MSB.
Reading a parameter:
Request (PC or PLC to MP55)
CAN identifier 1536 (600 Hex) + module address
1st data byte 64 (40 Hex)
2nd + 3rd data byte Index (LSB_MSB)
4th data byte Subindex
5th-8th data byte 0
Response (MP55 to PC or PLC)
CAN identifier 1408 (580 Hex) + module address
1st data byte 66 (42Hex)
2nd + 3rd data byte Index (LSB-MSB)
4th data byte Subindex
5th-8th data byte Value (LSB-MSB)
Reading a parameter:
Send value (PC or PLC to MP55)
CAN identifier 1536 (600 Hex) + module address
1st data byte 47 (2FHex) = write 1 byte
43 (2BHex) = write 2 bytes
35 (23Hex) = write 4 bytes)
2nd + 3rd data byte Index (LSB-MSB)
4th data byte Subindex
5th-8th data byte Value (LSB-MSB)
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