Installation

Mounting the module

CMi4160 is mounted in a DIEHL SHARKY 775.

  1. Grab the device by the outer edges.

  2. Gently press it into position in module slot 2.

  3. Connect the meter interface cable to the meter interface (ribbon cable)

  4. The CMi4160 is delivered with a battery pack. Connect the battery pack to the module's power connector and gently place it with in the meter with the module.

Connection of the antenna

CMi4160 is available in two different versions, with an internal antenna (CMi4160Int) or with an external antenna (CMi4160Ext). The internal antenna is already connected in the CMi4160Int.

External antenna
  1. Connect an external antenna (released by the supplier) with MCX connector to the module in the meter.

  2. Route the antenna cable.

  3. Push the connector gently into the socket on the module.

Caution

Make sure to mount the antenna at least 0.5 meters away from the meter in order not to disturb the meter and attached cables.

Activating the module

Upon delivery, the module is set to passive mode, which means no messages will be transmitted from the module. The module can be activated in one of the following ways:

Via the module push button
Via Elvaco OTC app

Tip

To access the NFC field the meter must be open. Place your phone on the NFC mark.

Joining the LoRaWAN network

When activated, the product will attempt to join the LoRaWAN network by the following sequence:

  1. Red LED – One flash

  2. Green and Red LED – Lights simultaneously up for 1 second

  3. Green LED – Several flashes while trying to connect to the LoRaWAN network

  4. Green LED – Lights up for 8 seconds when module succeeds in joining the LoRaWAN network

The network join sequence is illustrated in the figure below:

LED_indications_network_join_LoRaWAN_.png

Network join LED indication

If the module fails to join the LoRaWAN network, it will perform retries until it succeeds. The time between each attempt will increase for every attempt until it is performed once every day. A new join attempt cycle can be manually started anytime by using the push button to reboot the module or by deactivating and activating the module using the Elvaco OTC App.

When the module has joined the LoRaWAN network, it will perform three quick transmissions (regardless of transmit interval settings) before starting to use its configured transmit interval settings. By using the Elvaco OTC App, you can easily verify that the module is successfully communicating with the meter (“Meter communication”) and is connected to the LoRaWAN network (“Network joined”).

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