Milesight WS523 User manual

Portable Socket
Featuring LoRaWAN®
WS523
User Guide

2
Safety Precautions
Milesight will not shoulder responsibility for any losses or damages resulting from not following
the instructions of this operating guide.
The device must not be modified in any way.
In order to protect the security of the device, please change device the password when first
configuration. The default password is 123456.
In order to get best data transmission, ensure the device is within the signal range of the
LoRaWAN®gateway and avoid the metal obstacles.
Do not overload the maximum capacity in order to avoid the damage of the device.
The device is intended only for indoor use. Do not place the device where the temperature is
below/above the operating range.
Do not place the device close to objects with naked flames, heat source (oven or sunlight),
cold source, liquid and extreme temperature changes.
Use the device only in clean environment. Dusty or dirty environments may prevent the
proper operation of this device.
The device must never be subjected to shocks or impacts.
Use a dry, clean cloth to clean the device. Do not use strong chemicals or detergents which
may damage the device.
Declaration of Conformity
WS523 is in conformity with the essential requirements and other relevant provisions of the CE,
FCC, and RoHS.
Copyright © 2011-2023 Milesight. All rights reserved.
All information in this guide is protected by copyright law. Whereby, no organization or individual
shall copy or reproduce the whole or part of this user guide by any means without written
authorization from Xiamen Milesight IoT Co., Ltd.
For assistance, please contact
Milesight technical support:
Email: [e-mail]
Support Portal: support.milesight-iot.com
Tel: [phone]
Fax: [phone]
Address: Building C09, Software Park III,
Xiamen 361024, China

3
Revision History
Date
Doc Version
Description
August 11, 2021
V 1.0
Initial version
October 25, 2021
V 1.1
1. Add multicast feature
2. Support RX2 configuration
January 10, 2022
V 1.2
Support power outage alert
January 9, 2023
V 1.3
1. Add Milesight D2D Agent feature
2. Add Single Channel mode
3. Add reboot downlink command
4. Add overcurrent protection feature

4
Contents
1. Product Introduction ......................................................................................................................... 5
1.1 Overview ...................................................................................................................................5
1.2 Features ................................................................................................................................... 5
2. Hardware Introduction ...................................................................................................................... 5
2.1 Packing List ..............................................................................................................................5
2.2 Hardware Overview ................................................................................................................. 6
2.3 Dimensions (mm) ....................................................................................................................6
2.4 Power Button and LED Patterns ............................................................................................. 6
3. Operation Guide .................................................................................................................................7
3.1 NFC Configuration ................................................................................................................... 7
3.2 LoRaWAN Settings .................................................................................................................. 8
3.2.1 Basic Settings ............................................................................................................... 8
3.2.2 Multicast Settings .......................................................................................................10
3.3 General Settings .................................................................................................................... 12
3.4 Milesight D2D Settings ..........................................................................................................14
3.5 Maintenance .......................................................................................................................... 14
3.5.1 Upgrade ....................................................................................................................... 14
3.5.2 Backup .........................................................................................................................15
3.5.3 Reset to Factory Default .............................................................................................16
4. Device Payload ................................................................................................................................ 17
4.1 Basic Information .................................................................................................................. 17
4.2 Sensor Data ........................................................................................................................... 18
4.3 Power Outage Alert ............................................................................................................... 18
4.4 Downlink Commands ............................................................................................................ 19

5
1. Product Introduction
1.1 Overview
WS523 is a LoRaWAN®smart portable socket for the monitoring and control of electronic
appliances. Supporting a variety of international socket types, WS523 can be used to turn on or
off the electronic devices locally or remotely, to measure power consumption data, and even to
send alarms in case of overcurrent events. Due to its intelligence, WS523 is suitable for wireless
control of indoor lights, fans, heaters, machines, etc.
Power data is transmitted via LoRaWAN®protocol, and LoRaWAN®technology enables
encrypted radio transmissions over long distances while consuming very little power. Also,
users can check visualized data through Milesight IoT Cloud or through the user's own
Application Server.
1.2 Features
Plug & play experience
Support a variety of international socket types
Turn on/off devices and create timing switch-on/off schedules remotely
Collect data of current, voltage, electrical consumption
Support overload protection
Up to 15 km communication range
Easy configuration via NFC
Standard LoRaWAN®technology
Compatible with Milesight IoT Cloud and Milesight ToolBox
2. Hardware Introduction
2.1 Packing List
1 ×
WS523 Socket
1 ×
Quick Guide
1 ×
Warranty Card
If any of the above items is missing or damaged, please contact your sales representative.

6
2.2 Hardware Overview
Note: The outlook will differ according to socket types.
2.3 Dimensions (mm)
Note: The plug size will a little differ according to socket types.
2.4 Power Button and LED Patterns
Function
Action
LED Indicator
Open the Socket
Press the power button.
Off →Static On
Close the Socket
Static On →Off
Network Status
Send join network requests.
Blinks once
Join the network successfully.
Blinks twice
Reset to Factory
Default
Press and hold the power button for more than 10s.
Quickly blinks
Note:
1) Network status will only display when LED is enabled and the socket powers on.
2) If WS523 still fails to join the network after 32 join requests, the LED will stop blinking.
3) Reset operation is not affected even button lock is enabled or LED indicator is disabled.

7
3. Operation Guide
3.1 NFC Configuration
WS523 can be configured via smartphone with NFC function.
1. Plug WS523 into a wall socket, then WS523 will switch on automatically.
2. Download and install “Milesight ToolBox” App from Google Play or App Store.
3. Enable NFC on the smartphone and launch Milesight ToolBox.
4. Attach the smartphone with NFC area to the device to read device information. Basic
information and settings of the device will be shown on ToolBox App if it’s recognized
successfully. You can read and configure the device by tapping the Read/Write device on the
App. In order to protect the security of the device, password validation is required when
configuring via smartphone. Default password is 123456.
5. Press the power button, WS523 portable socket will supply the electric power to other
electronic appliances.
Note:
1) Check the NFC area of your smartphone and it’s recommended to remove the phone case.
2) If the smartphone fails to read/write configurations via NFC, move the phone away and back
to try again.
3) WS523 can also be configured on ToolBox via dedicated NFC reader provided by Milesight
IoT.

8
3.2 LoRaWAN Settings
LoRaWAN settings are used to configure the data transmission parameters in LoRaWAN®
network.
3.2.1 Basic Settings
WS523 supports basic configurations like join type, App EUI, App Key and other information. You
can also keep all settings by default.
Parameters
Description
Device EUI
Unique ID of the device which can also be found on the label.
App EUI
Default App EUI is 24E124C0002A0001.
Application Port
The port used for sending and receiving data, default port is 85.
Join Type
OTAA and ABP modes are available.
Application Key
Appkey for OTAA mode, default is 5572404C696E6B4C6F52613230313823.
Device Address
DevAddr for ABP mode, default is the 5th to 12th digits of SN.
Network Session
Key
Nwkskey for ABP mode, default is 5572404C696E6B4C6F52613230313823.
Application
Session Key
Appskey for ABP mode, default is 5572404C696E6B4C6F52613230313823.
LoRaWAN Version
V1.0.2, V1.0.3 are available.
Work Mode
It’s fixed as Class C.
RX2 Data Rate
RX2 data rate to receive downlinks or Milesight D2D commands.
RX2 Frequency
RX2 frequency to receive downlinks or Milesight D2D commands. Unit: Hz

9
Channel Mode
Select Standard-Channel mode or Single-Channel mode. When Single-Channel
mode is enabled, only one channel can be selected to send uplinks. Please
enable Single-Channel mode if you connect device to DS7610.
Channel
Enable or disable the frequency to send uplinks.
If frequency is one of CN470/AU915/US915, enter the index of the channel
that you want to enable and make them separated by commas.
Examples:
1, 40: Enabling Channel 1 and Channel 40
1-40: Enabling Channel 1 to Channel 40
1-40, 60: Enabling Channel 1 to Channel 40 and Channel 60
All: Enabling all channels
Null: Indicates that all channels are disabled
Spread Factor
If ADR is disabled, the device will send data via this spread factor.

10
Confirmed Mode
If the device does not receive ACK packet from network server, it will resend
data once.
Rejoin Mode
Reporting interval ≤ 30 mins: device will send specific numbers of LoRaMAC
packets to check connection status every 30 mins; If no replies after specific
packets are being sent, the device will re-join.
Reporting interval > 30 mins: device will send specific numbers of LoRaMAC
packets to check connection status at every reporting interval; If no replies
after specific packets are being sent, the device will re-join.
Set the number of
packets sent
When rejoin mode is enabled, set the number of LinkCheckReq packets sent.
ADR Mode
Allow network server to adjust data rate of the device.
Tx Power
Transmit power of device.
Note:
1) Please contact sales representative for device EUI list if there are many units.
2) Please contact sales representative if you need random App keys before purchase.
3) Select OTAA mode if you use Milesight IoT Cloud to manage devices.
4) Only OTAA mode supports rejoin mode.
5) For -868M model, the default frequency is EU868; for -915M model, the default frequency is
AU915.
3.2.2 Multicast Settings
WS523 supports setting up several multicast groups to receive multicast commands from
network server and users can use this feature to control devices in bulks.
1. Enable Multicast Group on WS523, set a unique multicast address and keys to distinguish
other groups. You can also keep these settings by default.

11
Parameters
Description
Multicast Address
Unique 8-digit address to distinguish different multicast groups.
McNetSkey
32-digit key. Default values:
Multicast Group 1: 5572404C696E6B4C6F52613230313823
Multicast Group 2: 5572404C696E6B4C6F52613230313824
Multicast Group 3: 5572404C696E6B4C6F52613230313825
Multicast Group 4: 5572404C696E6B4C6F52613230313826
McAppSkey
32-digit key. Default values:
Multicast Group 1: 5572404C696E6B4C6F52613230313823
Multicast Group 2: 5572404C696E6B4C6F52613230313824
Multicast Group 3: 5572404C696E6B4C6F52613230313825
Multicast Group 4: 5572404C696E6B4C6F52613230313826
2. Add a multicast group on the network server. Take Milesight UG6x gateway as example, go to
Network Server > Multicast Groups, click Add to add a multicast group.
Fill in the multicast group information the same as WS523 settings, and select the devices which
you need to control, then click Save.

12
3. Go to Network Server > Packets, select the multicast group and fill in the downlink command,
click Send. The network server will broadcast the command to devices which belongs to this
multicast group.
Note: ensure all devices’ application ports are the same.
3.3 General Settings
Go to Device > Settings > General Settings of ToolBox App to change the reporting interval, etc.

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Parameters
Description
Reporting Interval
The interval of reporting socket status and electrical parameters. Default:
20 mins, Range: 1-1080 mins
LED Indicator
Enable or disable the light indicating in chapter 2.4.
Power
Consumption
Record the power consumption. If disabled, the device will stop recording
and the power consumption value will stop updating.
When Power is
Restored, Socket
If the device loses power and return to power supply, the device will switch
the socket on or off according to this parameter.
Button Lock
If enabled, the power button status will freeze except reset.
Overcurrent Alarm
When current reaches the threshold, the device will send socket status and
device electrical parameters.
Overcurrent
Protection
When current reaches the threshold, the device will stop supplying power.
Change Password
Change the password for ToolBox App to write this device.
Note: even overcurrent alarm or overcurrent protection is disabled, the device will also stop
supplying power when the current is over rated current by 30%, then send out an alarm packet.

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3.4 Milesight D2D Settings
Milesight D2D protocol is developed by Milesight and used for connection among Milesight
devices without gateway. When Milesight D2D setting is enabled, WS523 can work as the
Milesight D2D Agent device to receive commands from Milesight D2D controller devices.
1. Ensure the RX2 datarate and RX2 frequency in LoRaWAN settings are the same as the
controller device.
2. Enable D2D Settings, and define an unique D2D key to be the same as the settings in the
Milesight D2D controller device.(Default D2D Key: 5572404C696E6B4C6F52613230313823)
3. Define a 2-byte hexadecimal control command (0x0000 to 0xffff) and command action. For
example, you can configure a control command 1510 to turn on the button as below. WS523
supports at most 16 control commands.
3.5 Maintenance
3.5.1 Upgrade
1. Download firmware from www.milesight-iot.com to your smartphone.
2. Open ToolBox App and click “Browse” to import firmware and upgrade the device.
Note:
1) Operation on ToolBox is not supported during upgrade.
2) Only Android version ToolBox supports the upgrade feature.

15
3.5.2 Backup
WS523 supports configuration backup for easy and quick device configuration in bulk. Backup is
allowed only for devices with the same model and LoRaWAN®frequency band.
1. Go to “Template” page on the App and save current settings as a template. You can also edit
the template file.
2. Select one template file that saved in the smartphone and click “Write”, then attach it to
another device to write configuration.
Note: Slide the template item to the left to edit or delete the template. Click the template to edit
the configurations.

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3.5.3 Reset to Factory Default
Please select one of the following methods to reset device:
Via Hardware: Hold on the power button for more than 10s until LED quickly blinks.
Via ToolBox App: Go to Device > Maintenance to tap Reset, then attach smartphone with NFC
area to device to complete the resetting.

17
4. Device Payload
All data are based on the following format (HEX), the Data field should follow little-endian:
Channel1
Type1
Data1
Channel2
Type2
Data2
Channel 3
...
1 Byte
1 Byte
N Bytes
1 Byte
1 Byte
M Bytes
1 Byte
...
For decoder examples you can find at https://github.com/Milesight-IoT/SensorDecoders.
4.1 Basic Information
WS523 reports basic information of device every time when it joins the network.
Channel
Type
Description
ff
01(Protocol Version)
01=>V1
09 (Hardware Version)
01 40 => V1.4
0a (Software Version)
01 14 => V1.14
0b (Power On)
Device is on
16 (Device SN)
16 digits
24 (Overcurrent Alarm)
Byte 1: 00-disabled, 01-enabled
Byte 2: current threshold
25 (Button Lock)
00 00-disabled, 00 80-enabled
26 (Power Consumption)
00-disabled, 01-enabled
30 (Overcurrent Protection)
Byte 1: 00-disabled, 01-enabled
Byte 2: current threshold
Example:
ff0101 ff166148b13783621055 ff090100 ff0a0103 ff24010a ff30010a ff250080 ff2601
Channel
Type
Value
Channel
Type
Value
ff
01
(Protocol
Version)
01(V1)
ff
16(Device SN)
6148b13783
621055
Channel
Type
Value
Channel
Type
Value
ff
09
(Hardware
Version)
0100 (V1.0)
ff
0a
(Software
Version)
0103
(V1.3)
Channel
Type
Value
Channel
Type
Value
ff
24
(Overcurrent
Alarm)
01=>Enabled
0a=10A
ff
30
(Overcurrent
Protection)
01=>Enabled
0a=10A
Channel
Type
Value
Channel
Type
Value

18
ff
25(Button
Lock)
00
80=>Enabled
ff
26 (Power
Consumption)
01=>Enabled
4.2 Sensor Data
WS523 reports electrical data according to reporting interval (20 mins by default) or when
current reaches the overcurrent threshold.
Channel
Type
Description
03
74 (Voltage)
UINT16, Unit: V
Resolution: 0.1V
04
80 (Active Power)
UINT32, Unit: W
05
81 (Power Factor)
UINT8, Unit: %
06
83 (Power Consumption)
UINT32, Unit: Wh
07
c9 (Current)
UINT16, Unit: mA
08
70 (Socket Status)
00: Close, 01: Open
Example:
087001 058129 07c91200 0374f508 068305000000 048001000000
Channel
Type
Value
Channel
Type
Value
08
70 (Socket
Status)
01 => Open
05
81 (Power
Factor)
29=> 41%
Channel
Type
Value
Channel
Type
Value
07
C9 (Current)
12 00=>00
12=18mA
03
74(Voltage)
f5 08=>08
f5=2293
Voltage=2293
*0.1=229.3V
Channel
Type
Value
Channel
Type
Value
06
83(Power
Consumption)
05 00 00 00=>00
00 00 05=5
Wh=0.005kWh
04
80 (Active
Power)
01 00 00
00=>00 00 00
01=1 W
4.3 Power Outage Alert
WS523 will report an alert message when power supply of WS523 is disconnected. This feature
only works with hardware version 1.2 and later.
ff3fff
Channel
Type
Value
ff
3f (Power Outage)
ff(Reversed)

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4.4 Downlink Commands
WS523 supports downlink commands to configure the device. Application port is 85 by default.
Channel
Type
Description
08
/
00 00 ff-close, 01 00 ff-open
ff
03 (Set Reporting Interval)
2 Bytes, unit: s
10 (Reboot)
ff
22 (Add Delay Task)
Byte 1: 00
Byte 2-3: delay time, unit: s
Byte 4: 10-close, 11-open
Note: WS523 supports adding only one task.
Later command will cover previous command.
23 (Delete Delay Task)
00 ff
24 (Overcurrent Alarm)
Byte 1: 00-disable, 01-enable
Byte 2: current threshold
25 (Button Lock)
00 00-disable, 00 80-enable
26 (Power Consumption)
00-disable, 01-enable
27 (Reset Power Consumption)
ff
28 (Enquire Electrical Status)
ff
2f (LED Mode)
00-disable, 01-enable
30 (Overcurrent Protection)
Byte 1: 00-disable, 01-enable
Byte 2: current threshold
Example:
1. Open the supply of the socket.
2. Set reporting interval as 20 minutes.
3. Add a delay task: open the socket after 1minute
080100ff
Channel
Command
08
01 00 ff=>Open
ff03b004
Channel
Type
Value
ff
03 (Set Reporting
Interval)
b0 04=>04 b0=1200s
=20 minutes

20
4. Delete the delay task
5. Enable overcurrent alarm and protection and set current threshold as 10A.
6. Reset power consumption
7. Reboot the device.
-END-
ff22003c0011
Channel
Type
Value
ff
22
(Add Delay
Task)
Byte 1:00
Byte 2-3: 3c 00=>00 3c=60s=1min
Byte 4: 11=>open
ff2300ff
Channel
Type
Value
ff
23(Delete Delay
Task)
00ff
ff24010a ff30010a
Channel
Type
Value
Channel
Type
Value
ff
24
(Overcurrent
Alarm)
Byte 1:
01=>enable
Byte
2:0a=>10A
ff
30
(Overcurrent
Protection)
Byte 1:
01=>enable
Byte
2:0a=>10A
ff27ff
Channel
Type
Value
ff
27(Reset Power
Consumption)
ff (Reserved)
ff10ff
Channel
Type
Value
ff
10(Reboot the
device)
ff (Reserved)