Lenze i55AE155F

Example for data transfer with funcon code 16
In a transacon, the value "10" is to be wrien into the register 40002 and the value "258" is
to be wrien into the adjacent register 40003.
Request Info
Funcon code 0x10 Funcon code 16
Start address (High) 0x00 Start address is the register 40002: 1 (0x0001)
Start address (Low) 0x01
Number of registers (High) 0x00 Number of registers: 2 (0x0002)
Number of registers (Low) 0x02
Number of bytes 0x04 4 bytes (0x0004) are to be wrien.
Register value (High) 0x00 The value "10" (0x000A) is wrien into the register with the start
address 1 (= register 40002).
Register value (Low) 0x0A
Register value (High) 0x01 The value "258" (0x0102) is wrien into the following register (= register
40003).
Register value (Low) 0x02
Response Info
Funcon code 0x10 Funcon code 16
Start address (High) 0x00 Start address: 1 (0x0001)
Start address (Low) 0x01
Number of registers (High) 0x00 Number of registers: 2 (0x0002)
Number of registers (Low) 0x02
Data transfer with funcon code 23
Request
Funcon code 0x17
Start address for reading (High) 0x0000 ... 0xFFFF
Start address for reading (Low) 0x0000 ... 0xFFFF
Number of registers for reading
(High)
0x00 ... 0xFF
Number of registers for reading
(Low)
0x00 ... 0xFF
Start address for wring (High) 0x0000 ... 0xFFFF
Start address for wring (Low) 0x0000 ... 0xFFFF
Number of registers for wring
(High)
0x00 ... 0xFF
Number of registers for wring
(Low)
0x00 ... 0xFF
Number of bytes for wring 2 x (number of registers)
Wrien value 1 (High) 0x00 ... 0xFF
Wrien value 1 (Low) 0x00 ... 0xFF
.... ...
Wrien value n (High) 0x00 ... 0xFF
Wrien value n (Low) 0x00 ... 0xFF
Response
Funcon code 0x17
Number of bytes for reading 2 x (number of registers)
Read value 1 (High) 0x00 ... 0xFF
Read value 1 (Low) 0x00 ... 0xFF
... ...
Read value x (High) 0x00 ... 0xFF
Read value x (Low) 0x00 ... 0xFF
Error message
Funcon code in the event of an
error
0x97
Error code 02 ... 04
Conguring the network
Modbus TCP
Funcon codes
358