St Engineering Telematics Wireless SEQUENCER Water Meter Sequencer User Manual
- June 6, 2024
- St Engineering Telematics Wireless
Table of Contents
Sequencer
User Manual
Model: SEQUENCER
Revision 1.0, May 2nd, 2021
Copyright © Telematics Wireless Ltd.
All rights reserved
The document contains proprietary information of Telematics Wireless,
Ltd.; it is provided under a license agreement containing restrictions on
use and disclosure and is also protected by copyright law.
Due to continued product development, this information may change without
notice. The information and intellectual property contained herein is
confidential between Telematics Wireless Ltd. and the client and remains
the exclusive property of Telematics Wireless Ltd. If you find any
problems in the documentation, please report them to us in writing. Telematics
Wireless Ltd. does not warrant that this document is error-free.
No part of this publication may be reproduced, stored in a retrieval system,
or transmitted in any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise without the prior written permission of
Telematics Wireless Ltd.
General description
The Sequencer is a part of an Advanced Water Metering Infrastructure that
communicates with water meter end-points via LoRa wireless communication.
The infrastructure includes a sequencer, a LoRa gateway and PC computer
running the LoRa server and application software to manage the communication
with the water meter endpoints.
Front panel
Rear panel
Technical Data
Electrical interface
Table 1: Electrical interface
Front panel Power switch IND Antenna connector Rear panel Power supply , external AC/DC USB
Table 1: Electrical interface
| Front panel | Value |
|---|---|
| Power switch | ON/OFF |
| IND | LED indicator |
| Antenna connector | SMA female |
| Rear panel | Value |
| Power supply , external AC/DC | 120VAC to DC in 12VDC |
| USB | Type B |
RF Radio Characteristics
Table 2: RF radio characteristics
| Parameter | Value¹ | Unit |
|---|---|---|
| Operating Frequency | 902-928 | MHz |
| Modulation | LoRa | |
| Maximum Transmitter output power | 20 | dBm |
| Maximum Receiver Sensitivity | -125 | dBm |
| Antenna, omni directional | 2.5max | dBi |
Mechanical Characteristics
Table 3: Mechanical characteristics
| Feature | Specifications |
|---|---|
| Dimensions (mm) (connector excluded) | 128 x 100 x 27 LxWxH |
Environmental Characteristics
Table 4: Environmental characteristics
| Feature | Specifications |
|---|---|
| -20°C to +70°C | |
| Storage Temperature | -20°C to +70°C |
| Relative Humidity | 20% – 90% RH, non-condensing |
Installation
Connect the antenna.
Connect the AC/DC adaptor.
LED indicator
| Power ON | LED is lit Yellow. |
|---|---|
| Tx mode | LED is lit red when data is transmitting. |
| Rx/Idle mode | LED is lit green when receiving mode or idle mode is enable. |
Regulation Information
FCC Part 15 Regulation Class B digital device notice
The digital circuit of this device 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 particular 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.
CAN ICES-3 (B)/NMB-3(B)
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.
FCC interference Notice
This device complies with part 15 of the FCC rules. Operation is subject to
the following two conditions:
- This device may not cause interference; and
- This device must accept any interference, including interference that may cause undesired operation of the device.
Industry Canada interference Notice
This device complies with Industry Canada’s license-exempt RSS standard(s).
Operation is subject to the following two conditions:
- This device may not cause interference; and
- This device must accept any interference, including interference that may cause undesired operation of the device.
FCC and Industry Canada Radiation Hazard Warning
WARNING! To comply with FCC and IC RF exposure compliance requirements,
the device should be located at a distance of at least 20 cm from all persons
during normal operation. The antennas used for this product must not be co-
located or operated in conjunction with any other antenna or transmitter.
The device meets the exemption from the routine evaluation limits in section
2.5 of RSS-102 and compliance with RSS-102 RF exposure, users can obtain
Canadian information on RF exposure and compliance.
WARNING! Changes or modifications to this equipment not expressly approved by the party responsible for compliance (ST Engineering Telematics Wireless Ltd.) could void the user’s authority to operate the equipment