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Section 3 - Message Protocol Details
Installation and Operation Manual
Brooks RS485 L-Protocol MFCs
3.18. Set Sensor Reference Zero
X-DPT-RS485-GF100-Series-MFC-eng
Part Number: 541B183AAG
March, 2020
Master controller will use this message to set sensor reference zero offset.
MAC ID (Targeted MFC controller address)
STX(0x02)
Command Code(0x81 for write)
Packet Length(0x05)
Class ID(0x68)
Instance ID(0x01)
Attribute ID(0xAA)
Data Byte#1(LSB)
Data Byte#2(MSB)
Pad(0x00)
Checksum
36