Abnormal Code; Message Example Of Ascii Mode; Setting (Set Sv = 10.0 To Slave Controller 1) - Taie FY100 Communications Manual

5.6 Abnormal Code

Abnormal Code Contents
01 (30H 31H) Illegal function code (Non-existent function code)
02 (30H 32H) Illegal register address (Register address is out of range)
03 (30H 33H) Illegal data value (Data value is out of setting range)

5.7 Message example of ASCII mode

Reading ( Read PV from slave controller 1)
Request message from master instrument:
Header ID Number
(3AH) (30H 31H) (30H 33H)
Response data from slave controller in normal status (Assumed PV=100.0)
Header ID Number
(3AH) (30H 31H) (30H 33H)
Response from slave controller in abnormal status (Assumed as illegal data value)
Header ID Number
(3AH) (30H 31H) (38H 33H)
5.7.1

Setting (Set SV = 10.0 to slave controller 1)

Request message from master instrument:
Header ID Number
(3AH) (30H 31H) (30H 36H)
Response message from slave controller in normal status (When SV = 10.0)
Header ID Number
(3AH) (30H 31H) (30H 36H)
8 FY400/600/700/800/900 COMMUNICATION MANUAL
Function Register Address
Code
(30H 30H 38H 41H)
Function Byte Count
Code
(30H32H)
Function Error Code
Code
(30H 33H)
Function Register Address
Code
(30H 30H 30H 30H)
Function Register Address
Code
(30H 30H 30H 30H)
5 MODBUS ASCII Protocol
Data Count
(30H 30H 30H 31H)
Data
(30H 33H 45H 38H) (30H 46H)
LRC Delimiter
(37H 39H) (0DH 0AH)
Data
(30H 30H 36H 34H)
Data
(30H 30H 36H 34H)
LRC Delimiter
(37H31H) (0DH 0AH)
LRC Delimiter
(0DH 0AH)
LRC Delimiter
(39H35H) (0DH 0AH)
LRC Delimiter
(39H35H) (0DH 0AH)