3.4 Modbus function
The
BEKOMAT
®
has an integrated Modbus which can be used to read out the operating parameters and device
information.
The
BEKOMAT
®
is operated using the client-server system with operating mode Modbus-RTU.
Data is transmitted via an RS485 interface in binary format.
3.4.1 Default interface parameters
The
BEKOMAT
®
is available via Modbus 10 seconds after start-up with the following interface parameters.
Value
Parameter
Baud rate
19200
Data bits
8
Stop bits
1
Parity
even
Client address
247
3.4.2 Byte sequence
Data type
Modbus register
Division
float
2 Register
ABCD
u32
2 Register
ABCD
u16
1 Register
AB
u8
1 Register
A
u8
B
3.4.3 Implemented functions
The following Modbus functions are supported:
1. Read Input Registers (0x04)
2.
Read Device Identification (0x2B / 0x0E)
3. Changing interface parameters
Original installation and operation manual
BEKOMAT
®
33iU / 33iU CO
17 | 68