ESP Safety UPES-50D, Operating Manual, Page: 25 / 51

25
Channel Board Сом-Ports Operation Mode Setting Menu
The (Connecting Channel х) menu, where х – is the number of the channel edited, allows you
to configure the channel board СОМ-ports operation mode (Fig.T6).
Figure T6
In the channel board the following COM ports operation modes are available:

One port — communication with sensors via an independent port, 16 sensors
(MODBUS address from 1 to 16) can be connected to the port. The state of the sensors
connected to the port is displayed on the first relay set;

Hot swap —communication with the sensors through the first port. In case of failure of
the first port communication is transferred to the second port (MODBUS address from
1 to 16). When you activate the first port the communication is restored in the initial
mode;

Ring — communication with sensors via the first port, where the ring integrity is
controlled. When the ring is open, communication between the primary transducers is
performed via two ports (MODBUS address from 1 to 16);

Two independent ports — communication with the sensors via two independent
ports, 8 sensors can be connected to each port. The state of the sensors connected to the
first port is displayed on the first relay set and the state of the sensors connected to the
second port — on the second relay set. The first MODBUS port: 1-8, the second
MODBUS port: 9-16.
To set the channel board communication mode, select ("Connecting Channel x") and press the
("Prog") button. Use the "+" and "-" buttons to select the desired communication mode and
press the ("Test/Reset") button. To exit the menu, press the ("Prog") button and then press the
("Control") button to exit the main menu.