Lenze I/O system 1000 System Manual - Manual (Page 721)

Modbus TCP Kommunikation
Access to the I/O system 1000
Function codes
13
l
721 EDSIO1000 EN 7.0
Write n bits
Code 0F
h
: Write n bits in master output range 0x
Please observe that the number of bits must be additionally given in bits.
Command frame:
Modbus TCP header Slave
address
Function
code
Address
1. bit
Number
Bits
Number
Bytes
Data
1. byte
Data
2. byte
...
x x 0 0 0
6 bytes 1 byte 1 byte 1 word 1 word 1 byte 1 byte 1 byte 1 byte
max. 248 bytes
Response message:
Modbus TCP header Slave
address
Function
code
Address
1. bit
Number
Bits
x x 0 0 0 6
6 bytes 1 byte 1 byte 1 word 1 word
Write n words
Code 10
h
: Write n words in master output range.
Command frame:
Modbus TCP header Slave
address
Function
code
Address
1. word
Number
Words
Number
Bytes
Data
1. word
Data
2. word
...
x x 0 0 0
6 bytes 1 byte 1 byte 1 word 1 word 1 byte 1 word 1 word 1 word
max. 124 words
Response message:
Modbus TCP header Slave
address
Function
code
Address
1. word
Number
Words
x x 0 0 0 6
6 bytes 1 byte 1 byte 1 word 1 word
Mask 1 word
Code 16
h
: This function serves to mask a word in the master output area 4x.
Command frame:
Modbus TCP header Slave
address
Function
code
Address
Word
AND
Mask
OR
Mask
x x 0 0 0 8
6 bytes 1 byte 1 byte 1 word 1 word 1 word
Response message:
Modbus TCP header Slave
address
Function
code
Address
Word
AND
Mask
OR
Mask
x x 0 0 0 8
6 bytes 1 byte 1 byte 1 word 1 word 1 word