Installation

Mounting the module

Mount CMi6140 in a Kamstrup MC403, MC603, or MC803.

  1. Mount a SIM card (size: Nano) in the SIM card holder (5)

    CMi6140_parts_overview_.png

    SIM card mounting

  2. Grab the module by the outer edges.

  3. Gently press it into position in either module slot 1 or 2.

    CMi6140_mounting_.png

    Mounting the module in a Kamstrup meter

Note

Make sure to connect external antenna to the module MCX antenna connector.

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 meter front buttons
  • On MULTICAL® 403, press and hold both buttons on the front of the meter until “CALL” is displayed.

  • On MULTICAL® 603 and MULTICAL® 803, press down the two arrow buttons on the front of the meter until “CALL” is displayed.

Via Elvaco OTC app

Tip

  • If the module is mounted inside a 403, the NFC field is easiest accessible if placing your phone in the middle of the higher part of the back.

  • Kamstrup 603 has two module slots. If mounted in the left module slot, the NFC field is easiest accessible if placing your phone in the middle of the higher part of the back. If the module is mounted in the right module, place your phone to the right of the higher part of the back.

  • If the module is mounted in an 803, the meter needs to be open to access the NFC field. Place your phone on the NFC mark on the module.

Read module status via meter display

In addition to the Elvaco OTC App, the status of the module can be read via the meter display.

To retrieve the status of the module via the meter display, enter the tech loop of the meter display and request the status information of the module. For detailed information, please refer to the Kamstrup MULTICAL Technical description.

See the following tables for information accessible in tech menu of the meter and how to interpret the status:

Table 21. Supported menus

Main-menu

Sub-menu

View ID

Name

Purpose

1

0

31

Module type

Show module type and config

1

1

70

Network status

Show the status of the network connection

1

2

71

Bootstrap status

Show the status of the LwM2M Bootstrap connection

1

3

72

DM status

Show the status of the LwM2M DM connection

1

4

73

MDM status

Show the status of the MDM connection

1

5

74

Network condition - RSRP

Show RSRP value for last transmission

1

6

75

Network condition - RSRQ

Show RSRQ value for last transmission

1

7

76

Network condition - ECL

Show ECL value for last transmission


Table 22. Module type

Digit

Meaning

Comment

0-2

Datagram description

Hardcoded to 100

3-4

System configuration

Hardcoded to 00

5-6

Module type

Hardcoded to the value 57

7

Not used, left blank


Table 23. Network status

Number

Meaning

0

Device is inactive, network is not used

1

Cannot read SIM

2

Attempting to register on the network

11111111

Successfully registered to the network


Table 24. Bootstrap status

Number

Meaning

0

Bootstrap not started

1

Bootstrapping

2

Bootstrap Failed

11111111

Device has bootstrapped


Table 25. DM Status

Number

Meaning

0

Device is inactive, network is not used

1

Device is configured to not use DM

11111111

Successfully registered to the DM server


Table 26. MDM Status

Number

Meaning

0

Device is inactive, network is not used

1

Device is configured to not use separate MDM connection

2

Attempting to register to MDM server

3

Failed to register due to issues with encryption or communication timeout

4

Registration denied

5

Setting up DTLS

6

Connecting to MDM Server, such as MQTT-SN Gateway

11111111

Last meter data transport successful


Example 3. RSPR Menu

The RSRP is shown as a signed floating point value.

Example: -112.7 → -112.7 dBm


Example 4. RSRQ Menu

The RSRQ is shown as a signed floating point value.

Example: -10.0 → -10.0 dB


Table 27. ECL Menu

Number

Meaning

0

ECL 0

1

ECL 1

2

ECL 2


Network connection

When activated, the module will attempt to connect to the mobile network. When the module succeeds in connecting to the mobile network, a meter readout will automatically be sent to the receiving system. The network status can be read through the Elvaco OTC app or the meter display. For more detailed information on how to read the module through the meter display, please refer to the Kamstrup MULTICAL Technical description.

If the module fails to join the mobile 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 deactivating and activating the module using the Elvaco OTC App.

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