Comtrol Modbus TCP User Guide - Manual (Page 20)

20 - Chapter 2. Programming Interface DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I
Serial Port Raw/ASCII Interface
2.2.2. Serial Port Raw/ASCII Interface
Serial Port
Raw/ASCII
Addressing
Serial Port 1 Serial Port 2 Serial Port 3 Serial Port 4 Access Rule
Unit ID 255 (FF hex) 255 (FF hex) 255 (FF hex) 255 (FF hex) N/A
Receive Data
Address 1000 (Base 0)
1001 (Base 1)
2000 (Base 0)
2001 (Base 1)
3000 (Base 0)
3001 (Base 1)
4000 (Base 0)
4001 (Base 1)
Read Only
Receive Data
Sequence
Number Address
1256 (Base 0
1257 (Base 1)
2256 (Base 0
2257 (Base 1)
3256 (Base 0
3257 (Base 1)
4256 (Base 0
4257 (Base 1)
Read/Write
Transmit Data
Address 1300 (Base 0)
1301 (Base 1)
2300 (Base 0)
2301 (Base 1)
3300 (Base 0)
3301 (Base 1)
4300 (Base 0)
4301 (Base 1)
Read/Write
Transmit Data
Sequence
Number Address
1556 (Base 0)
1557 (Base 1)
2556 (Base 0)
2557 (Base 1)
3556 (Base 0)
3557 (Base 1)
4556 (Base 0)
4557 (Base 1)
Read/Write
Statistics
Address 1600 (Base 0)
1601 (Base 1)
2600 (Base 0)
2601 (Base 1)
3600 (Base 0)
3601 (Base 1)
4600 (Base 0)
4601 (Base 1)
Read/Write