Arad Sonata Sprint Manual de usuario

Sonata Sprint

Encoder

User Guide

FCC ID: 2A7AASONSPR1MM

IC: 28664SON1SPRMM

Revision: 1.00

Arad Technologies Ltd. |st. HaMada, Yokneam Elite , 2069206, Israel |www.arad.co.il

Approvals:

Name

Position

Signature

Written by:

Evgeni Kosakovski

Firmware Engineer

Approved by:

R&D Manager

Approved by:

Product Manager

Approved by:

This document contains confidential information, which is proprietary to ARAD Ltd. No part

of its contents may be used, copied, disclosed or conveyed to any party in any manner

whatsoever without prior written permission from ARAD Ltd.

Arad Technologies Ltd. |st. HaMada, Yokneam Elite , 2069206, Israel |www.arad.co.il

Federal Communication Commission (FCC)

Compliance Notice

CAUTION This device complies with part 15 of the FCC Rules. The User

should be aware that changes and modifications to the equipment

not expressly approved by Master Meter could void warranty and

the user's authority to operate the equipment. Professionally

trained personnel should use the equipment.

ATTENTION This equipment has been tested and found to comply with the

limits for a Class B digital device, pursuant to Part 15 of the FCC

Rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This

equipment generates uses and can radiate radio frequency energy

and, if not installed and used in accordance with the instructions,

may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in

a installation. If this equipment does cause harmful interference to

radio or television reception, which can be determined by turning

the equipment off and on, the user is encouraged to try to correct

the interference by one or more of the following measures:

-- Reorient or relocate the receiving antenna.

-- Increase the separation between the equipment and receiver.

-- Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

-- Consult the dealer or an experienced radio/TV technician for

help.

This device complies with Part 15 of FCC Rules. Operation is

subject to the following two conditions:

(1) This device may not cause harmful interference, and

(2) This device must accept any interference received, including

interference that may cause undesired operation.

Arad Technologies Ltd. |st. HaMada, Yokneam Elite , 2069206, Israel |www.arad.co.il

Industry Canada (IC) Compliance Notice

This device complies with FCC Rules Part 15 and with Industry Canada license-

exempt RSS standard(s). Operation is subject to the following two conditions: (1)

this device may not cause interference, and (2) this device must accept any

interference, including interference that may cause undesired operation of the

device.

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux

appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions

suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de

l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage

est susceptible d'en compromettre le fonctionnement.

Under Industry Canada regulations, this radio transmitter may only operate using

an antenna of a type and maximum (or lesser) gain approved for the transmitter by

Industry Canada. To reduce potential radio interference to other users, the antenna

type and its gain should be so chosen that the equivalent Isotropically radiated

power (EIRP) is not more than that necessary for successful communication.

Conformément à la réglementation d'Industrie Canada, le présent émetteur radio

peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur)

approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques

de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le

type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente

(p.i.r.e.) ne dépasse pas l'intensitè nècessaire à l'établissement d'une

communication satisfaisante.

- This Class B digital apparatus complies with Canadian ICES-003. - Cet appareil

numerique de la classe B est conforme a la norme NMB-003 du Canada.

Radiation Exposure Statement:

This equipment complies with FCC and IC RF radiation exposure limits set forth

for an uncontrolled environment.

 
5 
Arad Technologies Ltd. |st. HaMada, Yokneam Elite , 2069206, Israel |www.arad.co.il 
Contents 
1Introduction ...............................................................................................................................6 
2System Overview.......................................................................................................................6 
3Encoder SW architecture...........................................................................................................7 
4Encoder module configuration ..................................................................................................9 
5Communication definition.......................................................................................................11 
5.1 Sonata Sprint↔ Encoder Communication......................................................................11 
5.2 Encoder ↔ Sensus Reader (TouchRead) Interface ........................................................11 
5.3 Encoder Power mode......................................................................................................12 
5.4 Backward compatibility message ...................................................................................13 
5.5 Encoder interface configuration......................................................................................13 
5.6 Encoder Message formatting ..........................................................................................14 
5.7 Field definition................................................................................................................15 
5.8 Parse message according to old format...........................................................................16 
5.9 Write to EEPROM received parameters.........................................................................16 
5.10 Reader event handle block..............................................................................................16 
5.11 Open quite detection timer..............................................................................................17 
5.12 Detect reader type...........................................................................................................17 
5.13 Open timer for TPSL detection.......................................................................................17 
5.14 Wait for down clock event, shift data out.......................................................................17 
5.15 Advance TX events counter, go to TRR.........................................................................17 
5.16 Message format/ Encoder configuration.........................................................................17 
6Glossary...................................................................................................................................19 
7Appendix .................................................................................................................................19 
7.1 Measurement Units.........................................................................................................19 
8External Documents ................................................................................................................20 
9Revision History:.....................................................................................................................20 
 

Arad Technologies Ltd. |st. HaMada, Yokneam Elite , 2069206, Israel |www.arad.co.il

1Introduction

Encoder software requirements specification is a description of a software system to be

developed in Encoder module. It lays out functional and non-functional requirements and may

include a set of use cases that describe system and user interactions that the software must

provide.

Current requirements specification establishes the basis for operation between Arad water

measurements from one side and encoder readers 2 or 3 wires from other. Used appropriately,

software requirements specifications can help prevent software project failure.

Current document enlists enough and necessary requirements that are required for the Encoder

module development include system definition, DFD, communication, etc., and presents the

details of the hardware and software interface required to communicate Encoder module with

SENSUS pulse readers.

2System Overview

The Sonata Sprint Encoder is a battery-powered sub-system module allowed reading Sonata data

through 2W or 3W interface.

It identifies the reader system type (2W or 3W) and converts the serially received data from the

Sonata meter to the reader’s string formats and transmits it in the Sensus reader type protocol.

Arad Technologies Ltd. |st. HaMada, Yokneam Elite , 2069206, Israel |www.arad.co.il

3Encoder SW architecture

3.1 Encoder module is very simple configurable system that:

3.1.1 Provides a high-resolution pulse output signal.

3.1.2 Can translate received data from Sonata to electrical pulse for each unit of

measurement according to Encoder module configuration. The electrical pulse is

transmitted over a two-conductor or three-conductor cable to the remote readout

systems.

3.1.3 Supports communication interface with different pulse Readers.

3.1.4 The Encoder model is built from a module that only transmits the last string it received

from the Sonata meter without any post processing.

3.2 Encoder module SW architecture is an interrupt-driven SW architecture:

•SPI RX interrupt

•Reader clock interrupts

•Timeouts

3.3 The main program consists of system initialization and a main loop.

3.3.1 During the main loop the system waits for SPI RX interrupt or reader interrupt to

occur.

3.3.2 If no interrupt occurred and no pulse out command was received the system enters

“Power down”mode.

3.3.3 The system wakes from “Power down”mode by SPI’s interrupt or reader’s clock

interrupt.

3.3.4 SPI and reader events are processed in ISRs.

3.4 The following figure shows the Encoder module SPI event handle block.

Open fault SPI Rx

message detection timer

Last byte received?

Check Sum correct?

Yes

03/12/2017

Ver. 1.00 Evgeni K.

SPI ISR handle block

Save received SPI Rx

byte

Update SPI error byte

Parse received SPI

message

Yes

Exit

Arad Technologies Ltd. |st. HaMada, Yokneam Elite , 2069206, Israel |www.arad.co.il

3.4.1 Open fault Rx message detection timer.

When byte is received on SPI the system checks if it is a header byte, opens a timer for

next byte receive timeout and initiates the timer. This method prevents the system

from waiting for bytes for a long time.

If no byte is received for a long time (over 200ms) the SPI error byte is updated and

the message is not removed.

3.4.2 Save received Rx byte

Each byte is saved into Rx buffer.

3.4.3 Check checksum

When last byte in the message is received, the checksum is validated.

3.4.4 Update SPI error byte

When checksum is not valid, the SPI error byte is updated and the message is not

parsed.

3.4.5 Parse received SPI message

When checksum is valid, the parsing process is called.

The parsing is done in the main loop in order to handle immediately the received

buffer as an atomic and un-interfered process. When parsing is performed, no reader

event is handled.

3.5 The following figure shows parse message flow. Each of the blocks is described briefly in

the subparagraphs.

The message is old

format? Parse message

according to old format

Yes

Moudule ID, data or

configuration?

Yes

03/12/2017

Ver. 1.00 Evgeni K.

Parse message flow

Extract message format

Parse message

according to new format

EXIT

Answer to meter

according to message

type

Write to EEPROM

received data

Arad Technologies Ltd. |st. HaMada, Yokneam Elite , 2069206, Israel |www.arad.co.il

4Encoder module configuration

There are possible to configure Encoder module for operation from GUI.

4.1 Configuration set shall be stored into Sonata meter by press on button.

4.2 Sonata shall configure communication to Encoder module by RTC Alarm configuration

according to GUI parameters:

4.2.1 In case of user select Sonata RTC Alarm

shall be configured for time is defined in “Minutes” field. Communication to Encoder

module shall be performed every “Minutes” field time.

4.2.2 In case of user select

Sonata RTC Alarm shall be configured for time is defined in “First” or “Second” field,

according to selected option. Communication to Encoder module shall be performed at

selected time.

4.3 Encoder module shall support only backward variable format.

4.4 Counter type:

4.4.1 Net Unsigned (1 is converted to 99999999).

4.4.2 Forward (default).

4.5 Resolution:

4.5.1 0.0001, 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 (default value 1).

Arad Technologies Ltd. |st. HaMada, Yokneam Elite , 2069206, Israel |www.arad.co.il

4.6 Update Mode –Sonata period time for send data to Encoder module:

4.6.1 Period –every predefined time (in Minutes” field, see 4.2.1) Sonata shall send data to

Encoder module. (1…59 minutes. Default 5 minutes)

4.6.2 Once –fixed time when Sonata shall send data to Encoder module once a day (see

4.2.2). Field “First” shall contain time in format: hours and minutes.

4.6.3 Twice - fixed time when Sonata shall send data to Encoder module twice a day (see

4.2.2). Fields “First” and “Second” shall contain time in format: hours and minutes.

4.7 AMR Serial Number –up to 8 digits ID number (default same as meter ID)

•Only numeric numbers (in backwards mode).

•Only 8 least significant numbers (in backwards mode).

4.8 Number of digits - 1- 8 digits from the right most position to be sent to the 2/3W reader

(default 8 digits).

4.9 TPOR - Time that the reader waits until the master stops the start sync (see TouchRead

Interface) (0…1000ms. Default 500ms).

4.10 2W Pulse Width –(60…1200ms. Default 800ms).

4.11 Units –flow units and volume units the same as in Sonata water meter (read only).

4.12 Encoder module doesn’t support alarms in backward format. Therefore we can’t have

option for Alarms indication on module side.

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