Technical data
43/63
7.4.3
Open Modbus/TCP
Feature
Description
Maximum number of input data
5760 bytes (2880 registers)
Maximum number of output data
5760 bytes (2880 registers)
Acyclic communication
Read/write registers
·
Max. 125 registers per read telegram (FC 3, 4, 23)
·
Max. 121 registers per write telegram (FC 23)
·
Max. 123 registers per write telegram (FC 16)
Read/write coils
·
Max. 2000 coils per read telegram (FC 1, 2)
·
Max. 1968 coils per write telegram (FC 15)
Modbus function codes
1, 2, 3, 4, 5, 6, 7, 15, 16, 23*, 43
* Function code 23 can be used via the packet API but not with the
command table.
Protocol mode
Message mode (Client)
·
Client (using the command table in the configuration software: The
data is stored in the I/O process data image)
·
Client and server (using the packet API: The I/O process data
image is not used)
E/A mode (Server)
·
(Only) Server (The data is stored in the I/O process data image)
Command table (Configuration API only)
Max. 16 server configurable
Max. 256 commands
Baud rate
10 and 100 MBit/s
Data transport layer
Ethernet II, IEEE 802.3
Reference to firmware/stack version
V5.1
Table 45: Technical data Open Modbus/TCP
CIFX M223090AE-RE\F | Hardware description and installation
DOC190704UM06EN | Revision 6 | English | 2022-02 | Released | Public
© Hilscher 2019 - 2022
