Trio Motion Coordinator MC216 - Page 541

Motion Coordinator Technical Reference Manual
Communications Protocols 13-23
DeviceNet
Read IEEE format
Request
Response
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
byte 0 0 Service code = 0x35, or 0x36
byte 1 Class ID = 0x8A
byte 2 Instance ID = 0x01 (this is the only instance supported)
byte 3 bits 15-8 of Source Address
byte 4 bits 7-0 of Source Address
byte 5 ignored
byte 6 Number of IEEE values to be read
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
byte 0 1 Service code = 0x35, or 0x36
byte 1 bits 7-0 of Value 0
byte 2 bits 15-8 of Value 0
byte 3 bits 23-16 of Value 0
byte 4 bits 31-24 of Value 0
...
byte n bits 7-0 of Value m
byte n + 1 bits 15-8 of Value m
byte n + 2 bits 23-16 of Value m
byte n + 3 bits 31-24 of Value m