Siemens CIM - Page 69

Web-based configuration
5.4 Web pages
CIM
Operating Manual, 11/2022, A5E51250518-AC
69
Data transfer restrictions
The table below describes the range and local address restrictions for client connections.
Local address (CIM) Remote address (Modbus TCP com-
patible device)
Address Type
Range
Address Type
IB
0.0 to 511.7
Coil
Discrete Input (DI)
QB
0.0 to 511.7
MB
0.0 to 511.7
VB
0.0 to 1023.7
IW
0 to 510
Holding Register (HR)
Input Register (IR)
QW
0 to 510
MW
0 to 510
VW
0 to 1022
Note
The address ty
pe is the combination of the process image name in UDM (Page 11) and data
type. For example, IB means bit in memory I.
The values should follow the rul
e: Local address + Data length ≤ Max value of Local address
type.