Structure of the Response message

If the Request message is transmitted and executed without any errors, it will be answered with the Response message:

00

01

02

03

04

05

06

07

08

09

10

11

12

CTT2 service

SPA protocol

00

00

01

02

03

04

05

06

07

08

09

10

11

Code

Status

SPA
TID

Index
Low

Index
High

Sub
index

Offset
Low

Offset
High

Res

LSB
LO

LSB
HI

MSB
LO

MSB
HI

Data Exchange
Response OK

Read

 

8312.5

0

 

decimal representation: 2838 (28.38 °C)

0x5D

0x01

0x00Corresponds to the value from the Request protocol.

0x78

0x20

0x05

0x00

0x00

0x00

0x16

0x0B

0x00

0x00