ATIM Cloud Wireless Series User manual

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ATIM Radiocommunications
Chemin des Guillets
38250 Villard de Lans
France
www.atim.com
[email protected]
[phone]
Concerned models:
ACW/SF8-MR2
ACW/LW8-MR2

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ATIM_ACW-MR2_UG_EN_V1.0
TABLE OF CONTENTS
Disclaimer............................................................................................................................................. 2
Trademarks and copyright .............................................................................................................. 2
Declaration of compliance .............................................................................................................. 3
Environmental recommendations ................................................................................................. 3
Explosive atmosphere ................................................................................................................... 3
Environment..................................................................................................................................... 3
Radio.................................................................................................................................................. 4
Prelude .................................................................................................................................................. 5
ACW-MR Product line.................................................................................................................... 5
Product Identification ................................................................................................................... 6
1. Technical specifications............................................................................................................ 7
2. ACW-MR2 operating mode...................................................................................................... 7
a) “Meter reading” mode.......................................................................................................... 7
b) “Bang-bang detection” mode............................................................................................. 8
3. Installation ................................................................................................................................. 10
a) Connection to a pulse meter reading............................................................................. 12
b) Connection to 2 meters...................................................................................................... 13
4. Power failure magnet.............................................................................................................. 14
5. Gas meter reading connection............................................................................................. 14
6. Optical sensor connection in « elec » mode ..................................................................... 16
7. Configuration............................................................................................................................. 16
a) Internal DIP switches configuration................................................................................ 16
b) Downlink frames configuration........................................................................................ 19
8. Sigfox –LoRaWAN frame format ........................................................................................ 23
9. Technical Support..................................................................................................................... 23

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This user guide deals with the bellow references
Document version history
Disclaimer
The information contained in this document is subject to change without warning and
does not represent a commitment on the part of ATIM radiocommunications. ATIM
radiocommunications provides this document ‘as-is’ with no warranty of any kind,
express or implied, including but not limited to implied warranties of merchantability
or fitness for a particular purpose. ATIM radiocommunications may make changes
and/or improvements to this manual or to the product(s) or program(s) described in
this manual, at any time.
Trademarks and copyright
ATIM radiocommunications®, ACW ATIM Cloud Wireless® and ARM Advanced Radio
Modem® are registered trademarks of ATIM SARL in France. The other trademarks
mentioned in this document are the property of their respective owners.
Product reference
Product
Version
LoRaWAN
ACW/LW8-MR2
A.3
ACW/LW8-MR1-ELEC
A.0
Sigfox
ACW/SF8-MR2
A.0
ACW/SF8-MR1-ELEC
A.0
Version
Date
Description
Author
1.0
03/07/2019
Creation of the ACW MR2 1 MR1-ELEC User
Guide
CR + SM

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Declaration of compliance
All ACW Atim Cloud Wireless® products comply with the regulatory requirements of
the R&TTE Directive (1999/5/EC), article 3:
1 SAFETY (Article 3.1a of the 1999/5/EC Directive)
NF EN60950-1 Ed. 2006/A1:2010/A11:2009/A12:2011 (health)
EN62479: 2010 (power <20mW) or EN62311:2008 (power > 20mW)
2 Electromagnetic compatibility (Article 3.1b of the 1999/5/EC Directive)
EN 301489-3 v1.4.1, EN 301489-1 V1.9.2
3 Efficient use of the radio frequency spectrum (Art.3.2 of the 1999/5/EC
Directive)
ETSI EN300 220-2 v2.4.1 and EN300 220-1 v2.4.1
Environmental recommendations
Explosive atmosphere
Except for the ACW-ATEX line specifically intended for this purpose, do not use ACW
radio modems in the presence of flammable gases or fumes. Using the equipment in
such an environment constitutes a safety hazard.
Environment
Respect the temperature ranges for storage and operation of all products. Failing to
respect these guidelines could disrupt device operation or damage the equipment.
ACW products in IP65 water- and dust-resistant housings may be placed outdoors, but
must not, under any circumstances, be submerged.
Follow the instructions and warnings provided below to ensure your own safety and
that of the environment and to protect your device from any potential damage.

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General hazard –Failure to follow the instructions presents a risk of equipment
damage.
Electrical hazard –Failure to follow the instructions presents a risk of electrocution and
physical injury.
Direct-current symbol
WARNING: do not install this equipment near any source of heat or any source of humidity.
WARNING: for your safety, it is essential that this equipment be switched off and
disconnected from mains power before carrying out any technical operation on it.
WARNING: the safe operation of this product is ensured only when it is operated in
accordance with its intended use. Maintenance may only be performed by qualified
personnel.
Waste disposal by users in private households within the European Union. This
symbol appears on a product or its packaging to indicate that the product may
not be discarded with another household waste. Rather, it is your responsibility
to dispose of this product by bringing it to a designated collection point for the
recycling of electrical and electronic devices. Collection and recycling waste
separately at the time you dispose of it helps to conserve natural resources and
ensure a recycling process that respects human health and the environment. For
more information on the recycling centre closest to your home, contact your
closest local government office, your local waste management service or the
business from which you purchased the product.
Radio
Modems in the ACW line are radio-communication modems that use the ISM
(industrial, scientific and medical) bands, which may be used freely (at no cost and with
no authorisation required) for industrial, scientific and medical applications.

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Prelude
This user guide describes the ATIM ACW-MR products functionalities. It explains
operating, configuration and installation modes in functions of different use cases.
ACW-MR Product line
ACW-MR product line regroups different types of radio equipment which allow pulse
metering, bang-bang control and fraud detection.
Each devices of this product line are available in LoRaWAN and Sigfox version and are
delivered with removable batteries. They are can be parametrized through intern
switches or via downlink frames on the network (exclusively on LoRaWAN version).
ACW-MR2
The ACW-MR2 is a sensor used for remote metering monitoring (gas, water,
electricity, pluviometer meters…) or for remote bang-bang equipment
control (eg: starting up/shutting down, opening/closing...).
This sensor can be connected up to 2 independent equipment when they are
close enough, allowing devices and network plans savings.
The ACW-MR2 is delivered with two Lithium 3.6V removable batteries with
a total capacity of 3500 mAh.
ACW-MR1-ELEC

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The ACW-MR1-ELEC is delivered
with an integrated optical sensor,
this plug and play device monitores
remotely the consumption of an
LED optical electrical meter (eg:
Linky meters, PME-PMI meters). It is
delivered and pre-set to memorize
the consumption index every 10
minutes and send the last 6 every
hour.
Product Identification
The product identifier is visible on the exterior label on the back of the device:
Product
ID
Hardware version, Application
software/radio firmware
number
Serial product number
Sigfox ID or DevEUI
LoRaWAN Datamatrix
Product reference:
Sigfox or
LoRaWAN version

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1. Technical specifications
Dimensions
177 x 55 x 55 mm
Antenna
Integrated (¼ wave)
Temperature
-20°C to +55°C (operating)
-40°C to +70°C (storage)
Mounts to
Wall, Mast, DIN-Rail
Shaft Sealing
IP 65
Battery
2 packs of 2 batteries equivalent to 14.4
Ah
Weight
160 g
Frequency
865 –870 MHz
Power
25 mW (14 dBm)
Rate
Sigfox: 100 bps
LoRaWan: 300 bit/s to 10 Kbit/s
Consumption
Sigfox
LoRaWan
Tx Mode
60 mA
76 mA
Rx Mode
35 mA
29 mA
Standby Mode
1,5 µA
2,5 µA
Active radio current power
50mA max for 6 seconds
Digital inputs tension
3,6V max
2. ACW-MR2 operating mode
This paragraph describes the ACW-MR2 and ACW-MR1-ELEC operating mode, in
function of the case of use.
a) “Meter reading”mode
Sensors of the ACW-MR product line have 2 inputs that can be linked to pulse metering
dry contacts. ACW-MR Product line devices have 2 inputs that can be connected to dry
contacts pulse emitters or to open collector for remote metering.
Two operating modes are suggested:
•Standard meter reading

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The device monitors both inputs. For these inputs, it increments the index for
each pulse received. Periodically (once per hour or once per day for example), it
sends both indexes in the same frame.
•Eco meter reading
The sensor does monitor only one input and it stores the index at a determined
frequency (every 10 minutes for example). It transmits a periodic frame with all
6 indexes (here, every hour).
In this operating mode, this is not possible to monitor in parallel 2 meters and
only the first input may be used.
ACW-MR devices count with a third input for anti-fraud, which allows to detect if the
remote device is connected. The device monitors this input every minute. In case of a
state change, an alert frame with the current state will be sent. This information is
contained in every periodic reading frame.
Default configuration
The MR1-ELEC is delivered in default mode: Eco meter reading with index storage
every 10 minute and every hour frame emission containing the last 6 indexes.
Important Note
The Fludia optic sensor 230e, integrated to the MR1-ELEC, sends the sensor an
impulsion every 5 LED blinking. The index read by the MR1-ELEC should by multiplied
by 5 in order to get the real index.
The MR2 is delivered with a default configuration in Standard periodic reading with a
index report every 6 hours.
b) “Bang-bang detection”mode
ACW-MR Product line sensors inputs can also be linked to dry contacts outputs for
bang-bang detection. In this operating mode, if the device detects a change of state
on at least one input, it will transmit a frame containing the current state of both

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ATIM_ACW-MR2_UG_EN_V1.0
inputs. The bang-bang detection mode can be set up among the following
configurations:
•Inputs state checking every minute
•Contact closing detection
•Contact opening detection
•Contact closing or opening detection

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3. Installation
You may open the casing in order to access the configuration
switches and the terminal block connection. Please insert a
screwdriver in the small slot and bend downwards to lift up
the internal strip (cf. photo). Then, pull the back side in order
to divide the casing in two parts.
For optimized results, we advise you to install the device
without any environmental obstruction, mount it at a
minimal height of 2m and do not set it up close to a wall
corner, ideally offset 20cm minimum. Cables must not exceed
10m long and have to be armored.
For your information, the antenna is integrated into the
casing.
The casing is fixed on a plane wall or on a mast in function of the specific installation.
2m

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Batteries’ polarity is shown on the printed circuit
board. The positive + pole is orientated towards the
terminal block, the negative –pole towards the
antenna. An isolation strip is to be taken off one of the
battery terminals for the first use.
In case of the addition of an extra battery; this one
should be connected in parallel, in the same direction
of the first ones.
Starting up phase:
From 0 to 3 seg: bootloader.
From 3 seg to 8 seg: configuration
From 8 seg to 10 seg: configuration inclusion, green
LED blinks, red LED blinks if Wirecut is detected.
After 15 seg: switch to standby
From 1 min to 5 min: emission of a life frame the 1st
minute then, an uplink frame every minute.
Afterwards, the life frame is sent every 4 days.
As explained before, the CNTR 1
and CNTR 2 inputs can be used
for (1) pulse number counting from dry contacts pulse emitters, or (2) change of dry
contact state detection.
The Wirecut input is used to monitor if the device is cabled to the external equipment.

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a) Connection to a pulse meter reading
The amount of cables and their color depend on the pulse emitter type installed on the
meter. Please refer to the emitter guide in order to verify the connection.
2 cables connection (pulse emitter without anti-fraud output)
Please note that in particular cases, pulse and mass cables are undifferentiated.
Note
Disable the anti-fraud detection, connection the WIRECUT and GND inputs like shown on the
diagram.
3 cables connection (pulse emitter with anti-fraud output)
Pulse cable
Ground cable
Pulse cable
Ground cable
Anti-fraud cable

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ATIM_ACW-MR2_UG_EN_V1.0
b) Connection to 2 meters
The amount of cables and their color depend on the pulse emitter type installed on the
meter. Please refer to the emitter guide in order to verify the connection.
2x2 cables Connection
Note
Disable the anti-fraud detection, connection the WIRECUT and GND inputs like shown on the
diagram.
2x3 cables Connection
Pulse cable, meter 1
Ground cable, meter 1
Pulse cable, meter 2
Ground cable, meter 2

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ATIM_ACW-MR2_UG_EN_V1.0
4. Power failure magnet
By bringing close to the right side of the casing a magnet, you will be able to shut the
power down.
The automatic emission of a life and test frame at the starting up allows to approve
the onsite installation.
You will need to append the magnet for 30 seconds in order to restart correctly.
5. Gas meter reading connection
ATIM can provide a cable (ref. CAB/MTRGAZ1) appropriate for gas meters with a M16
IP40 connector, with the bellow characteristics:
Pulse cable, meter 1
Ground cable, meter 1
Pulse cable, meter 2
Ground cable, meter 2
Anti-fraud cable, meter 1 or
Pulse cable, meter 2

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6 armored wires cable of 20 AWG section and a length of 2 meters.
Wire
Color
Signal
1
Brown
Monitoring +
2
White
GND - Monitoring
3
Grey
Metering 2 +
4
Blue
Metering 1 +
5
Yellow
GND - Metering 2
6
Green
GND - Metering 1
DIN female connection seen from the external
side

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6. Optical sensor connection in « elec » mode
The ACW/XXX-MR1-ELEC reference is delivered with a preinstalled Fluidia optical
sensor (4 wired cable with 30 centimeters length).
Wire
Color
Signal
2
Black
Power
7
Red
Metering 1 +
8
Green
GND - Metering 1
8
Yellow
GND - Power
Note
In MR1-ELEC mode, the « Metering 1+» signal is connected to the «Metering 1» input.
Powering up an external sensor decrease the product battery life.
7. Configuration
The configuration can be realized locally thanks to internal switches, or remotely
through downlink frames. By default, the product uses the switch configuration until a
downlink frames configuration is not done.
If a downlink configuration is applied, throughout the next restart, this setting will be
used.
a) Internal DIP switches configuration
Power
Pulse 1 +
GND - Metering
1
GND - Power

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The configuration is read at the starting of the device. The following table lists the
different operating modes that can be set up.
•Standard reading mode: periodic reading of both meter inputs (even if one
unique input is used) with a systematic data emission.
•Change of state detection mode: state emission of both inputs when a change
if state on at least one input is detected.
•ECO reading mode: periodic reading of meter 1 every X minute, with an emission
every 6 readings.

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ON
OFF
STANDARD
METER
READING
MODE
Radio emission period (METER READING frame): 10 min
Radio emission period (METER READING frame): 30 min
Radio emission period (METER READING frame): 1 h
Radio emission period (METER READING frame): 3 h
Radio emission period (METER READING frame): 6 h
Radio emission period (METER READING frame): 12 h
Radio emission period (METER READING frame): 24 h
Radio emission period (METER READING frame): 48 h
CHANGE OF
STATE
DETECTION
MODE
Inputs state checking every minute.
Radio Emission is detection of change of state
(TRIGGER frame if a contact changes).
Radio emission on falling edge
(TRIGGER frame at the contact closing).
Radio emission on rising edge
(TRIGGER frame at the contact opening).
Radio emission on rising and falling edges
(TRIGGER frame at the contact change of state).
ECO METER
READING
MODE
Radio emission period (METER MULTI-READING frame):
1 h
1 Delta / 10min
Radio emission period (METER MULTI-READING frame):
3 h
1 Delta / 30min
Radio emission period (METER MULTI-READING frame):
6 h
1 Delta / 60min
NC
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4

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b) Downlink frames configuration
This functionality is available on the ACW-MR2, fulfilling the following conditions:
Version
Product Software
SIGFOX
Not available
LoRaWAN
V2.2.4
Or superior
Downlink operation mode is explained in the ATIM_ACW-DLConfig_UG_FR_v1.1
document, related to version V1.1 of Downlink protocol ATIM.
Downlink protocol ATIM V1.1, shared between all ACW Product Line devices, describes
how to realize the following actions:
•Ask for an ACW products restart
•Obtain product information
•Ask for a factory settings reconfiguration
•Obtain the actual configuration parameters of a product
Specific parameters of ACW-MR2 are the one mentioned bellow:
•Life frame emission frequency
Parameter Code (1 octet)
Parameter Value (2 octets)
0x03
Possible values are:
0x04 = every 10 minutes
0x05 = every hours
0x0A = every 2 hours
0x0B = every 4 hours
0x0C = every 8 hours
0x06 or 0x09 = once a day
0x0D = every 2 days
0x0E = every 3days
0x0F = every 4 days
0x07 = every 7 days
0x08 = every 30 days