Advertisement
(3) Read [Slave address 1, Device identification information: Product code (model number)]
• A request message from the master
Slave
3.5 idle
address
characters
(01H)
• Response message from the slave in normal status (AKT4R1111001)
Slave
3.5 idle
address
characters
(01H)
Data in the response message becomes the following.
Data
Read Device ID code
Conformity level
More Follows
Next Object ID
Number of Objects
List of Object ID
List of Object length
List of Object value
• Response message from the slave in exception (error) status [when Sub-function code (MEI type)
is not correct]
The function code MSB is set to 1 for the response message in exception (error) status, and ABH
is returned.
Exception code 01H (Non-existent function) is returned (error).
Slave
3.5 idle
address
characters
(01H)
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
Function
Sub-function
code
(2BH)
1
1
Sub-function
Function
code
(2BH)
1
1
(0481000001010C414B54345231313131303031H)
Function
Exception code
code
(ABH)
1
1
Data
code
(0EH)
(0401H)
1
code
(0EH)
1
Data
19
1 byte
04H
1 byte
81H
1 byte
00H
1 byte
00H
1 byte
01H
1 byte
01H
1 byte
12 (0CH)
Object length
A (41H)
K (4BH)
T (54H)
4 (34H)
R (52H)
1 (31H)
1 (31H)
1 (31H)
1 (31H)
0 (30H)
0 (30H)
1 (31H)
Error check
CRC-16
(01H)
(9EF0H)
1
2
Error check
CRC-16
(B2E7H)
2
2
Error check
CRC-16
(8870H)
2
3.5 idle
characters
3.5 idle
characters
3.5 idle
characters
Advertisement
