KROHNE ALTOSONIC V Modbus EN - Manual (Page 20)

ALTOSONIC V
ModBus Manual 0300 rev07 E 7.30855.35.00 Page 20 of 64
7 SET-UP OF THE UFP-V MODBUS DRIVER
7.1 Driver Contents
The driver contains:
•
Standard Modbus protocol according to Modicon.
•
Simulation of Modbus Master and Slave mode.
•
ASCII-mode and RTU mode.
• Half and full duplex communication layers supported.
• Transmitter ON/OFF level select for half-duplex mode.
•
Seven or eight data bits, Even/Odd/No parity, 1 or 2 stop bits
•
Extended data type support.
•
Function 1, 2, 3, 4, 5, 6, 8,15,16 including exception generation.
7.2 Hardware set-up
To set up the Modbus communication first the hardware should be set-up.
The UFP is equipped with a RS485/RS422 Communication Card which provide 2 serial communication
channels, the first channel CH1 is used for the communication with the UFC-V, please do not change
anything here. The second channel CH2 is free for communication with host systems .
There are two generations of RS485 cards:
•
AX4285A formerly installed
•
PCL745s currently installed