Lambrecht Ser[LOG], Operator'S Manual, Page: 87 / 129

LAMBRECHT meteo GmbH Ser[LOG] Manual Page 87 of 129
Up to 10 Modbus relays can be defined. By activating the checkbox "Active" the respective definition
line is armed.
In the selection box of the "Modbus Relay" column, a relay from the Modbus relay database is loaded.
Similar to the sensor database, own Modbus relays can also be defined. Please refer to the following
chapter 7.4.4.
In the selection box of the "Modbus Interface" column, the interface on which the Modbus relay is located
is selected. Available for selection:
•
COM X - Modbus relay (X = each configured COM interface)
•
Modbus TCP
The device address of the respective Modbus relay must be entered in the field of the column "RTU
address".
If "Modbus TCP" is selected as the "Modbus interface", the fields "Modbus TCP address" and "TCP
port" are also displayed, which must be filled in accordingly. The TCP port is usually set to its default
port 502.
The Modbus relay is assigned to a switching output via the selection box in the "Trigger" column. If this
switching output trips, the corresponding Modbus relay is switched. Multiple use of a switching output is
possible.
7.5.1 Definition of new Modbus relays
Pressing the button "Define Modbus relay" in the main selection opens the "Settings Modbus
relay settings" window.
Like Modbus sensors, Modbus relays are considered as single channels and not as Modbus devices. A
separate definition is created for each relay.
To create a new Modbus relay, click on the "New Data Set" button. The Ser[LOG]-Com-
mander then switches to a "new" definition window. In this mode, the "Modbus Relay" selec-
tion box is an input field in which you can enter the name of the Modbus relay.