Autonics TK Series User Manual For Communication

Autonics 1 Modbus RTU Protocol
© Copyright Reserved Autonics Co., Ltd. 15
1.7 Exception Response-Error Code
If occurs an error, send a response command and transmit each Exception code after
set(1) the highest-level bit of received command(function).
Slave Address Function(Command)+80 H Exception Code
Error Check(CRC16)
Low High
1Byte 1Byte 1Byte 1Byte 1Byte
 ILLEGAL FUNCTION(Exception Code: 01 H): A command(Function order) that is not
supported
 ILLEGAL DATA ADDRESS(Exception Code: 02 H): Starting Address of the queried
data is inconsistent with transmittable address from the device
 ILLRGAL DATA VALUE(Exception Code: 03 H): Numbers of queried data are
inconsistent with the numbers of transferable data from device
 SLAVE DEVICE FAILURE(Exception Code: 04 H): Not properly complete the queried
orders
If read the output status of non-existing coil 01001(03E8 H) [ON: 1, OFF: 0)] on Slave
side(Address 17) from the Master side.
 Query (Master Side)
Slave Address Function
Starting Address No. of Points Error Check(CRC16)
High Low High Low Low High
11 H 01 H 03 H E8 H 00 H 01 H ## H ## H
 Response (Slave Side)
Slave Address Function(Command)+80 H Exception Code
Error Check(CRC16)
Low High
11 H 81 H 02 H ## H ## H
CRC16

Autonics TK Series Specifications

General

Brand	Autonics
Model	TK Series
Category	Temperature Controller
Language	English