Mainstream industrial protocol comparison


Mainstream industrial protocol comparison


Protocol is a general term of standard message data format. UIROBOT UIM series products are based on CAN and bus-developed UIM protocol, and its protocol format is as follows:

 

UIM Protocol-Message using UIM Gateways (Supports serial port debugging software)

UIM protocol format

Header

CAN ID

Instruction Code

Data Length

Data Bytes (Low byte first)

CRC Verification

Tail

AA

ID

CW

DL

D0

D1

D2

D3

D4

D5

D6

D7

D8

C0

C1

 CC

 

Please read relevant product user manual for details.

 

The data structure of other mainstream industrial protocols on the market are as follows:

 

CAN message structure:

Can standard frame format

Arbitration section

control section

data segment

COB-ID (11-bit)

RTR

IDE

r0

DLC

d0

d1

d2

d3

d4

d5

d6

d7

 

Modbus RTU Protocol:

Modbus RTU Agreement format

Address

Function Code

Low Register

High Register

Low Data Bits

High Data Bits

CRC High-order

CRC Low-order

Add

Fun

Reg add Lo

Reg add Hi

Date Lo

Date Hi

CRC16 Hi

CRC16 Lo

 

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