Vaisala Indigo 520 - Enabling Modbus TCP;IP in Web Interface

5. Configure the relay settings:
a. In Relay o/on, set the relay o to edit settings.
b. In Source, select the source for the measurement parameter that controls the relay.
c. In Parameter, select the measurement parameter that controls the relay.
d. In Activation, select whether the relay activates above or below the activation/
deactivation limit.
e. In Limit, define the limit which the measured parameter value must reach for the relay
to activate/deactivate.
f. In Hysteresis, define a buer value for relay deactivation. With hysteresis, an
activated relay switches o only when the measured value crosses the relay
activation/deactivation limit and the additional buer value.
g. Set the relay on.
h. Select Apply.
6. Repeat step 4 … step 5 for all the relays you want to use.
More information
‣
Relay configuration example (page 54)
‣
Relay wiring and relay activation mode (page 54)
‣
Relay hysteresis (page 55)
7.4
Enabling Modbus TCP/IP in web interface
You need Administrator user rights for this task.
1. Connect to the web interface.
2. Log in to the web interface as an administrator user.
3. Select Transmitter > Network.
4. Check that the network settings are set correctly.
5. Select Outputs > Modbus TCP/IP.
6. In Modbus o/on, set Modbus on.
7. Select Apply.
More information
‣
Modbus overview (page 61)
Indigo 520 User Guide M212287EN-A
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