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Manual for Sigfox-Ready Exd
Approved Flammable Gas Sensor -
WSSFCEX-GHC | FW2
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This manual is applied to the following products
Item code
WSSFCEX-GHC-01
Product Features
Connectivity Type
Product Type
Mounting Type
Powered by
Information Changes in this version v.s the previous version
Item
1
Initial version
To use this product, please refer step by step to the below instructions.
Operating Principle
1. Quick Guide
Reading time: 10 minutes
this
HW Version
1
Changes
Changed by
D.Q.Tuan
Battery
Installation
Configuration
Specification
link.
Firmware Version
Sigfox
1 part
Wall mount
1 x C battery LiSOCl2, recommend SAFT LS26500
Changed Date
29-10-2022
2
Approved by
N.V.Loc
Uplink Payload
Connect to Sigfox Network
Calibration
Warranty and Support
Remarks
Approved Date
31-10-2022
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Table of Contents
Summary of Contents for Saft WSSFCEX-GHC
- Page 1 Connectivity Type Sigfox Product Type 1 part Mounting Type Wall mount Powered by 1 x C battery LiSOCl2, recommend SAFT LS26500 Information Changes in this version v.s the previous version Item Changes Changed by Changed Date Approved by Approved Date Initial version D.Q.Tuan...
- Page 2 1.1.4 What kind of battery is used for this sensor? The sensor is powered by 1 x Type C battery 3.6V LiSOCl2 for many years of operation. We do recommend using Saft LS26500 battery which is suitable for Exd-approved instruments. This battery has a capacity of up to 7700mAh with a working temperature range from -40 to +85 oC.
- Page 3 01 x Main device 01 x Magnet key 01 x Antenna Type N connector Figure 2. Product package of WSSFCEX-GHC-01 1.3 Quick Test With the default configuration, the device can be connected quickly to the Sigfox Network by the following steps.
- Page 4 Step 2: Add the device to Sigfox Backend Please refer to this link for details Step 3: Install the batteries to the device Please refer to this link for instructions on battery installation. After installing the battery in 60 seconds, the first data packet will be sent to the Sigfox network. After receiving the first data packet, the time of another packet depends on the value of the parameter: CYCLIC_DATA_PERIOD.
- Page 5 ATTENTION: REVERSED POLARITY OF BATTERIES IN 10 SECONDS CAN DAMAGE THE SENSOR CIRCUIT!!! Make sure the device run and connect to the Sigfox Network successfully; 1.5.3.2 Installing the device at the actual location as below steps: Locate the place to detect the target gas. Please follow this link;...
- Page 6 Figure 4. Complete set of WSSFCEX-GHC flammable gas sensor The GHC flammable gas sensor measures the flammable gas concentration of the surrounding air. The Sigfox-Ready wireless transmitter is to read the measurement values from the GHC sensor and performs the scaling and calculation to deliver accurate outputs.
- Page 7 Sensor configuration can be configured in 02 methods: Method 1: Configuring via Downlink message. Please find the instructions in sections D and E in this link, but please take note of the FW version of the Document. Method 2: Configuring via offline cable.
- Page 8 CONSTANT_A float Read/Write Constant a for scaling measured value. This value would be changed after calibration. CONSTANT_B float Read/Write Constant b for scaling measured value.This value would be changed after calibration. SENSOR_RESPONSE_TIME uint16 Read/Write Sensor response time, in second methane C(h) = C_H_FACTOR Read/Write...
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