Configuration options

Power mode

Inactive, Stand-by, Active

Inactive

RW

R

Activation status of the module. If set to stand-by, the module will be automatically activated upon water flow.

The automatic activation feature is available in FW >=1.3.2.

Configuration Lock

Open, Locked

Open

RW

R

Locks the module to prevent unauthorized access.

Synchronize meter time

Time of mobile phone

N/A

W

N/A

Time of mobile phone used to synchronize meter clock.

UTC offset

-720 - 720

N/A

RW

R

UTC offset of the meter (in minutes).

Max meter retries

0-255

255

RW

R

Maximum amount of quick retries when failing communicating with a meter.

Power source

0: Not supported (by meter FW to be read), 1: Unknown, 2: PSU / Mains 3: Battery

3

RW

R

Detection and correction of the power source of the meter.

Factory reset

N/A

N/A

E

N/A

Resets the CMi6160 to factory settings (default setting for power mode is Active).

Bootstrap IP

A valid Bootstrap IP

84.19.147. 226 (Elvaco Bootstrap server)

RW

R

IP address of the bootstrap server the module will connect to upon activation.

BS host

Bootstrap port

A valid Bootstrap port

5694

RW

R

Port of the bootstrap server the module will connect to upon activation.

Bootstrap security

DTLS, No security

DTLS

RW

R

Sets the way data sent from the module is encrypted.

LwM2M queue mode

Enabled, Disabled

For battery operated devices, it is strongly recommended to have LwM2M queue mode enabled.

CoAP ack timeout

1..240

60

RW

R

LwM2M CoAP timeout value in seconds, See LwM2M specification for more info

CoAP max retransmit

1..6

1

RW

R

LwM2M max retransmit value. See LwM2M specification for more info

DTLS min timeout

1..3600

60

RW

R

The first timeout in seconds used when transmitting packets via DTLS for LwM2M.

DTLS max timeout

1..3600

90

RW

R

The last timeout in seconds used when transmitting packets via DTLS for LwM2M.

Communication retry count

0..10

1

RW

R

Number of connection attempts to a LwM2M server before marking a connection failed.

Communication retry delay

1..3600

3600

RW

R

Delay in seconds between connection attempts to LwM2M servers

Sequence retry count

1..10

2

RW

R

Number of connection sequence attempts to LwM2M servers.

Sequence retry delay

1..86400

86400

RW

R

Delay in seconds between connection sequence attempts to LwM2M servers.

Sequence back-off

Must be formatted as min-max, min-max,..

0-5,60-120,1300-1600,1300-1600,1300-1600,1300-1600

RW

R

Delay ranges in minutes to wait between full LwM2M sequence connection attempts. I.e. If both bootstrapping and connection to device management fails consecutively, delay progressively until connectivity can be restored.

APN mode

Auto, Manual

Auto

RW

R

Sets how APN settings is implemented in the module.

PLMN

0..999999

PLMN of the network provider set by the user. Comprises of MCC and MNC codes (e.g. MCC = 240 and MNC = 01 results in a PLMN code of 24001. PLMN is also referred to as Home Network Identity (HNI).

APN

Name of APN

N/A

RW

R

APN to use if APN mode is manual

Radio frequency band

0,3,8,20

Several bands can be chosen by e.g. typing 0,3,8

0

RW

R

Which NB-IoT frequency band to use. Setting this will make the modem skip scanning all bands and just use the supplied one if possible. If this fails, the modem will scan all bands.

Power saving mode

Disabled, eDRX, PSM, eDRX+PSM

eDRX+PSM

RW

R

Setting for power save mode.

T3324 timer

1..11160

120

RW

R

LTE Active Timer. This setting controls how long (in seconds) the modem will wait for network activity before entering power saving mode.

T3412 timer

1..35712000

252000

RW

R

LTE Extended TAU timer. This setting controls how long (in seconds) the modem will be in power saving mode before waking up.

eDRX mode

Automatic, Manual

Manual

RW

R

eDRX value

0..255

19

RW

R

eDRX controls how often the device can be contacted when not in power saving mode.

Time sync source

Network, Manual

Network

RW

R

Source for setting meter clock.

Brown out delay

1..64800

21600

RW

R

The maximum delay in seconds before reconnecting after a power outage.

Search period

180..57600

21600

RW

R

Maximum network search period in seconds. After this period, the device will enter deep sleep until next connection attempt.

RAI

Disabled, MDM RAI enable, DM RAI enable, DM+MDM RAI enable

Message format

Standard, Tariff

Standard

RW

R

Sets the payload of the data message from the module.

Message encoding

M-Bus, JSON, SenML/CBOR

SenML/CBOR

RW

R

Sets the encoding of the payload.

Readout interval

1..1440

60

RW

R

Placeholder for future use, currently not implemented.

Report interval

1..1440

60

RW

R

Number of minutes between each meter data readout.

Transmit interval

1..1440

1440

RW

R

Number of minutes between each data transmission.

Transmit offset

1..1440

30

RW

R

Time before transmit window starts from transmit interval (in seconds).

Transmit delay

1..1440

240

RW

R

Time period were the transmission while be randomized (in minutes).

Max uploads per transmission

1..168

4

RW

R

The number of max packages / transmissions. This will effect the time to recover when communication link has been down.

MDM upload protocol

MQTT-SN Publish, LwM2M Send

MQTT-SN Publish

RW

R

Transport protocol used for meter data transfer

MQTT-SN Connection

Optimized, Compliant

Optimized

RW

R

Connection type used when publishing messages to the MQTT-SN broker.

MQTT-SN Topic

Valid MQTT-SN topic

elvaco/#P/#E/#T/#D

RW

R

Topic used when publishing messages to the MQTT-SN broker.

Auto-upload max. age

0..99999999

10080

RW

R

Maximum age of the resent data (in minutes).

Auto-upload order

Oldest first, Latest first (FiFoLiFo)

RW

R

Start with oldest or newest data when resending data.

Restart back-off

min-max,min-max,..

0-5,5-15,15-60,60-360,360-1440,1300-1600

RW

R

Delay range in minutes between restarting the modem on failures.

Communication timeout

1-600

92

RW

R

MQTT-SN timeout in seconds when communication actions. E. g. timeout when publishing without DTLS

Communication attempts

0-255

2

RW

R

MQTT-SN max number of retries before considering operation failed.

Max communication failures

0-255

RW

R

Maximum number of operation failures before considering connection lost.

DTLS min timeout

1-3600

60

RW

R

The first timeout in seconds used when transmitting packets via DTLS for MDM packages.

DTLS max timeout

1-3600

90

RW

R

The last timeout in seconds used when transmitting packets via DTLS for MDM packages.

Reconnect back-off

min-max,min-max,..

0-5, 5-15, 15-60, 60-360, 360-1440, 1300-1600

RW

R

Delay ranges in minutes between restarting modern on failures.