COTRUST CTH200 Series User Manual

Appendix
176
Parameter explanation:
Parameter
address
Explanation
Type
Value range
Note
First
R/W request bit
Bit
Use pulse trigger for
each new R/W
request.
Slave
Set slave station
address
Byte
1~247
RW
Operation order
Byte
0~read
1~write
Addr
Select data type of
R/W
DWord
00000 to xxxx—
on-off output
10000 to 1xxxx--
on-off input
30000 to 3xxxx—
analog input
40000 to 4xxxx—
holding register
Count
Communication
data number
(number of word or
bit)
Int
Maximum R/W of
Modbus master
station MBUS_MSG
instruction is 120
words.
DataPtr
Data pointer, for
read instruction, put
data back into this
data area; for
write instruction, the
data to be written is
placed in this data
area
DWord
Done
Completion bit
Bit
Error
Error code
Error code as
following
Valid only when
Done bit is 1.
Error code:
0
No error
1
Response parity error
2
unused
3
Receive timeout(slave station nonresponse)
4
Request parameter error
5
Modbus/FPORT disable
6
Modbus is busy for other request
7
Response error(response is not request operation)
8
Response CRC parity error
101
Slave station do not support request
102
Slave station do not support data address
103
Slave station do not support this data type
104
Slave station device fault
105
Slave station received information, but response delayed
106
Slave station is busy and refuse the information
107
Slave station refuse the information
108
Slave station register parity error

COTRUST CTH200 Series Specifications

General

Brand	COTRUST
Model	CTH200 Series
Category	Controller
Language	English