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Modbus TCP Remote I/O Communication Module RTU-EN01
DVP-PLC Operation Manual
10
BR#5: COM2 Communication Settings
Explanations:
b0 ~ b3
Interface Explanation
Data
Baud rate
(bps)
Data
Baud rate
(bps)
Data
Baud rate
(bps)
0x1 110 0x6 2,400 0xB 57,600
0x2 150 0x7 4,800 0xC 115,200
0x3 300 0x8 9,600
0x4 600 0x9 19,200
Content
COM2
RS-485
0x5 1,200 0xA 38,400
b4 ~ b7
b7 b6 ~ b5 b4
Explanation
Stop bit
0: 1 Stop bit
1: 2 Stop bits
Parity bit
00 : None parity bit
01 : Odd parity bit
11 : Even parity bit
Data bit
0 : 7 Data bits
1 : 8 Data bits
0000 (0) 7-N-1 0011 (3) 8-O-1 1000 (8) 7-N-2 1011 (B) 8-O-2
0001 (1) 8-N-1 0110 (6) 7-E-1 1001 (9) 8-N-2 1110 (E) 7-E-2
Content
0010 (2) 7-O-1 0111 (7) 8-E-1 1010 (A) 7-O-2 1111 (F) 8-E-2
b8 ~ b15
Content Explanation
0x02 Modbus RTU Master
0x03 Modbus ASCII Master
BR#6: Address
Explanations
For filling in or reading the Modbus address. The address will be displayed in the message display after being set
up. Range: 1 ~ 247.
BR#7: Number of DI Points
Explanations
Read the number of digital input points from BR#7. Range: 0 ~ 256. Max. I/O points: 256.
BR#8: Number of DO Points
Explanations
Read the number of digital output points from BR#8. Range: 0 ~ 256. Max. I/O points: 256.
BR#9: Error Code
Explanations:
Error code = 0 refers to no error occurring.
Code Indication How to correct