User's Manual

Installation
2.3 Installation
2.3.1 Installation in a Control Cabinet
Follow these steps to install an A740 addNODE RTU in a control cabinet with
35mm DIN mounting rail:
1. Snap the A740 addNODE RTU onto the 35mm DIN rail. To do so please
proceed as follows:
a. “Hang” the addNODE RTU on the DIN rail. Note the spring on the rear
side of the addNODE RTU.
b. Press the addNODE RTU downwards and listen for a loud snap.
c. To remove the addNODE RTU from the DIN rail, push downwards and
then tilt lower part of the RTU towards you.
A
B
35mm DIN Rail
addNODE
Spring
A
B
35mm DIN Rail
addNODE
Spring
Fig. 3: addNODE RTU DIN rail mounting and removal
2. Attach the sensors to the I/O connectors and the solar panel to the POWER
connector by connecting the sensors and solar panel’s wires to the proper
cage clamps. Make sure that the solar panel is facing south (north if you are
located in the southern hemisphere) and will not be shadowed by any object
near it.
3. Attach the antenna via the TNC connector on the front side of the addNODE
RTU. Using a low attenuation antenna cable is recommended.
4. Start the RTU by using a small screwdriver or a similar object to push the
button on the right hand side of the unit’s front plate for at least one second.
This button is marked as switch. If the LED located above the switch starts
blinking immediately after you release the button, go to step 5.
5. Perform a connectivity check:
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