Bivocom TW810 Series User manual

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Industrial NB-IoT Cellular Modem
TW810 Series User Guide

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Copyright
Copyright © XIAMEN BIVOCOM TECHNOLOGIES CO., LTD. All rights reserved.
Trademark
BIVOCOM logo is a registered trademark of Xiamen Bivocom Technologies Co., Ltd. All other trademarks
belong to their respective vendors or manufactures.
Disclaimer
Product specifications and information in this document are subject to change without any notice, and
BIVOCOM reserves the right to improve and change this user guide at any time. Users should take full
responsibility for their application of products, and Xiamen Bivocom Technologies Co., Ltd. disclaims all
warranties and liability for the accurateness, completeness of the information published.
Global Technical &Sales Support
Xiamen Bivocom Technologies Co., Ltd.
Addr.: Unit 704, No.A3 Building, 3rd Software Park,
Xiamen, China 361000
Tel.: +86-592‐6211770
Fax: +86-592‐6211727
Email: [e-mail]
[e-mail]
www.bivocom.com

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at any time.
About This Guide
Thank you for choosing BIVOCOM Industrial Cellular NB-IoT Modem TW810 Series.
Please thoroughly read this user guide before you configure and install the device.
This manual is compatible with below models
Model
Description
TW810-B5
Industrial NB-IoT Modem(850MHz)
TW810-B8
Industrial NB-IoT Modem(900MHz)
TW810-B20
Industrial NB-IoT Modem(800MHz)
TW810-GL
Industrial NB-IoT Modem(B1/B3/B8/B5/B20/B28)
TW810-MS7C
Industrial LTE-M Modem(Quad-Band FDD-LTE
B1/B3/B5/B8 GPRS/EDGE 900/1800 MHz)
Summary of Changes
Date
Version
Notes
Editor
10-01-2017
V1.0
Initial new version
Wei Liu
09-01-2018
V1.1.1
Adding guide for LTE-M version
modem
Harry

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at any time.
Table of Contents
Copyright........................................................................................................................ 2
Trademark...................................................................................................................... 2
Disclaimer....................................................................................................................... 2
Global Technical &Sales Support ................................................................................... 2
About This Guide............................................................................................................ 3
Summary of Changes..................................................................................................... 3
Table of Contents ........................................................................................................... 4
1. Definitions................................................................................................................ 6
2. Introduction .............................................................................................................. 6
2.1 Overview............................................................................................................ 6
2.2 Applications........................................................................................................ 6
3. Getting Started......................................................................................................... 7
3.1 Package Checklist.............................................................................................. 7
3.2 Dimensions ........................................................................................................ 8
3.3 Installation.......................................................................................................... 8
3.3.1 SIM/UIM Card........................................................................................... 9
3.2.2 Cellular Antenna........................................................................................ 9
3.2.3 Terminal Block, Power Cable and Console Cable..................................... 9
3.3 Power Supply....................................................................................................10
3.4 LED Indicators...................................................................................................11
4. Configuration...........................................................................................................11
4.1 Getting started...................................................................................................11
4.2 Serial port configuration ....................................................................................11
4.2.1 Save.........................................................................................................13
4.2.2 Load.........................................................................................................13
4.2.3 Clear Output.............................................................................................13
4.2.4 Version Info..............................................................................................14
4.2.5 Signal Value.............................................................................................14
4.2.6 Factory Setting.........................................................................................14
4.2.7 Restart .....................................................................................................14
4.2.8 Save Config .............................................................................................14
4.2.9 Configure via Saved Config File...............................................................14
4.3 Basic Setting.....................................................................................................15
4.3.1 Device ID.................................................................................................15
4.3.2 SIM Card No............................................................................................15
4.3.3 Work Mode...............................................................................................15

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4.3.4 Debug Level.............................................................................................16
4.3.5 Communication Baud Rate......................................................................16
4.3.6 Databit, Parity and Stopbit .......................................................................16
4.3.7 Frame Interval (Unit: Millisecond) ............................................................17
4.3.8 Trigger Settings........................................................................................17
4.4 Networking Setting .....................................................................................18
4.4.1 Network Work Mode ................................................................................18
4.3.2 Data Center Number................................................................................21
4.4.3 Dialing Settings........................................................................................22
4.4.4 Heartbeat Interval ....................................................................................22
4.4.5 Auto Back to Main Server ........................................................................22
4.4.6 Custom Register String............................................................................23
4.4.7 Custom Heartbeat String..........................................................................23
4.4.8 Transfer Meaning.....................................................................................23
4.4.9 TCP MTU.................................................................................................23
4.4.10 Multi Center Reconnect Interval.............................................................23
4.4.11 Reconnect..............................................................................................24
4.4.12 ECHO Heartbeat Interval.......................................................................24
4.4.13 TTL Heartbeat........................................................................................24
4.5 MODBUS Setting..............................................................................................24
5 Firmware Upgrade ..................................................................................................24
Appendix 1: AT Command.............................................................................................27
Appendix 2: FAQ...........................................................................................................29

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1. Definitions
1.1LTE CAT M1/NB-IoT Modem
LTE CAT M1/NB-IoT modem, a wireless Data Transfer Unit(DTU) used for converting the data from serial
port data packet to IP data packet, or from IP data packet to serial port data packet, then transfer the data
packet through LTE CAT M1/NB-IoT cellular network.
1.2 Center/Server
A computer for receiving data sent from NB-IoT Modem through NB-IoT network, and sending data to
NB-IoT Modem through NB-IoT network.
1.3 TW810
An industrial LTE-M/NB-IoT Modem series manufactured by Bivocom.
2. Introduction
2.1 Overview
TW810 Series LTE CAT M1/NB-IoT Modem is a type of industrial wireless LTE CAT M1/NB-IoT Modem
(Also called DTU, Data Transfer Unit, or IP modem), designed to fully meet the needs of industrial
standards and industrial users. It adopts high-powered industrial 32-bits CPU, multi-layer software
detection and hardware protection mechanism to ensure reliability and stability of the device. It supports
LTE CAT M1/NB-IoT network, with rich and flexible interfaces, such as RS232, RS485 and RS422, and
TTL GPIOs is also customizable.
TW810 Series LTE CAT M1/NB-IoT Modem can help users to quickly access the Internet, to ensure
secure and reliable data transmission. It’s ideal for IOT (Internet of Things) and M2M (Machine to
Machine) applications, and has been widely used in many applications, such as Intelligent Transportation,
Smart Grid, Vending Machine,Agricultural Irrigation, Environmental Protection, Industrial Automation,
Energy Saving, Smart Home, etc.
2.2 Applications
TW810 Series LTE CAT M1/NB-IoT Modem utilizes NB-IoT cellular network for remote data acquisition
and transmission, and has been used for industrial remote monitor and control.
Typical application as below.

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3. Getting Started
WARNING: Please make sure the device is powered off before you install and configure it.
3.1 Package Checklist
Check the package before you configure and install the device.
TW810 NB-IoT Modem Host
Cellular antenna(SMA Male)
Power Adapter(12VDC/0.5A)
3- Pin RS232 cable with DB9 connector(female)
12-Pin Terminal Block

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3.2 Dimensions
There are 3 holes for installation at each side of TW810 (Unit: mm)
3.3 Installation

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3.3.1 SIM/UIM Card
Insert the SIM/UIM card.
TW810 supports normal SIM/UIM only, so if you’re using a Micro SIM or Nano SIM card, you may need to
use a Micro SIM or Nano SIM to Normal SIM card adapter.
Make sure your Modem is powered off, then use a needle object(such as a pen) to push the button near
the SIM/UIM card holder, it will flick out immediately. Put the SIM/UIM card to card holder with chipset
upside, insert it to NB-IoT Modem and make sure it’s tightly matched.
Warning: Never install SIM/UIM card when NB-IoT Modem is powered on.
3.2.2 Cellular Antenna
Fasten the cellular antenna.
Screw the SMAmale cellular antenna to TW810 (SMAfemale interface), make sure it is screwed tightly to
ensure the strength of signal.
3.2.3 Terminal Block, Power Cable and Console Cable
Insert the terminal block to modem correctly.
1) Definition of Terminal Block Interface
PIN No.
Signal
Name
Default Function
Extended Function
1
PWR
Power input anode
NA
2
GND
Power Ground
NA
3
IO1
GPIO, able to check dry contact
signal and 3.3 V switch signal,
output 3.3V switch signal
Reserved RS232 RTS
and
TTL RX
4
IO2
GPIO, able to check dry contact
signal and 3.3 V switch signal,
output 3.3V switch signal
Reserved RS232 CTS
and
TTL TX
5
IO3
GPIO, able to check dry contact
signal and 3.3 V switch signal,
output 3.3V switch signal
Reserved RS232 DCD

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6
IO4
GPIO, able to check dry contact
signal and 3.3 V switch signal,
output 3.3V switch signal
Customized pulse
output, pulse counter,
analog quantity input,
Reserved RS232 RI
7
IO5
GPIO, able to check dry contact
signal and 3.3 V switch signal,
output 3.3V switch signal
Customized pulse
output, pulse counter,
analog quantity input
8
GND
Power Ground
NA
9
RX
RS232 Receive Data
NA
10
TX
RS232 Transfer Data
NA
11
A
RS485 anode
Reserved RS232 DTR
12
B
RS485 cathode
Reserved RS232 DSR
2) Connect Power Cable and Console Cable
Connect the power supply cable and console cable to terminal block.
The interface of TW810 is industrial terminal block, we suggest you use 28-16AWG power cable and
console cable.
Definition of power cable and console cable in this package are as below
Power Cable (Output 12VDC/0.5A)
Color of cable
Power Output Polarity
Black & White Alternate
Anode
Black
Cathode
RS232 Cable (with DB9 female interface)
Color of Cable
Corresponding DB9-M
Pin Number
Blue
3
Brown
2
Black
5
WARNING: make sure you connect the terminal block to TW810 modem correctly before power on,
or it may cause the damage of device.
3.3 Power Supply
After all the accessories and cables mentioned above are installed very well and correctly, then plug the
power supply to power outlet.
TW810 adopts advanced power technology to improve the stability and adapt to complex external
environment. You can use Bivocom standard power adapter(12VDC/500mA), or use DC power ranging at
5-35VDC, please make sure the power supply is stable enough(Ripple shall be less than 300mA, and

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Instantaneous voltage shall not larger than 35V), meanwhile, power shall over 4W.
Note: We suggest you use Bivocom standard power adapter (500mA/12VDC).
3.4 LED Indicators
TW810 has 4 LED indicators, ‘Online’, ‘ACT’, ’Power’, ‘System’, as follows.
4. Configuration
4.1 Getting started
To start to configure the modem, you’ll need below materials
1) A laptop or computer that has DB9 serial port(male)
Note: if your laptop or computer doesn’t have a serial port, an USB to Serial port(male) adapter would be
required.
2) BIVOCOM TW810 config tool.
The TW810 config tool integrated with configuration, debug and firmware upgrade functions.
You can go to BIVOCOM website to download the config tool, like below.
http://www.bivocom.com/index.php?m=content&c=index&a=show&catid=12&id=30
Note: The config tool only support Windows OS, IOS is not supported yet.
4.2 Serial port configuration
Connect TW810 to your laptop or computer through RS232, then open Bivocom configuration tool
(TW810.exe), Click on the left side, and click to open the serial port, and
choose your COM port of laptop or computer. Then Click , and a window will be open tell
LED Indicators
Status
Content
Online
Off
TW810 isn’t connected to server
On
TW810 is connected to server
ACT
Off
No data transfer
Blink
Sending or receiving data
Power
Off
Power Off
On
Power On
System
Off
System error
Blink
System works

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you to restart the device(Figure 2), unplug the power adapter, and power on TW810 again, then waiting
for entering into configuration status, when it shows loading DTU parameters successfully(Figure 3), then
you can go to next step to configure the modem, including Basic Setting(4.3), Network Setting(4.4).
Figure 1
Figure 2

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Figure 3
Below are quick instructions of Operations on the config tool, but you can go to next step.(4.3 Basic
setting), if you’re familiar with those parameters.
4.2.1 Save
Click to save the parameters you’ve configured.
4.2.2 Load
Load the parameters of TW810 to config tool and display.
4.2.3 Clear Output
Clear log of config tool.

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4.2.4 Version Info
Check the version info of TW810.
4.2.5 Signal Value
Check the signal strength of TW810.
4.2.6 Factory Setting
TW810 returns to factory setting.
4.2.7 Restart
Restart TW810
4.2.8 Save Config
Save configuration of TW810 in file format, which you can use it recover the config.
4.2.9 Configure via Saved Config File
Click , and choose the saved config file,
then click to configure TW810.

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4.3 Basic Setting
Figure 4
4.3.1 Device ID
To identify the TW810 and for device management, if you have many TW810 connected to server, please
make sure all the ID are different.
4.3.2 SIM Card No.
The Number of SIM inserted in this modem.
4.3.3 Work Mode
Keep the default settings-DTU, as work mode MODEM and IMODEM are not supported on TW810.

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DTU (Transfer the data to server through LTE CAT M1/NB-IoT Modem)
Note: the MODEM and IMODEM work mode are only available on TD210 series IP Modem.
4.3.4 Debug Level
If you’re going to diagnose the modem, we suggest you choose 2, otherwise, you can choose 0 or 1.
There are 3 levels to choose from the drop-down menu, as below
2: All logs output through RS232/RS485
1: Part of important logs output through RS232/RS485
0: No logs output
4.3.5 Communication Baud Rate
This is to configure the baud rate that to match your front sensors or meters’baud rate.
Supported baud rate: 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 38400, 56000, 57600 and
115200.
4.3.6 Databit, Parity and Stopbit
You can choose below from drop-down menu.
8N1 (8 Databit, No Parity, 1 Stopbit)

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8E1 (8 Databit, Even Parity, 1 Stopbit)
8O1 (8 Databit, Odd Parity, 1 Stopbit)
7O1 (7 Databit, Odd Parity, 1 Stopbit)
7E1 (8 Databit, Even Parity, 1 Stopbit)
7N1 (7 Databit, No Parity, 1 Stopbit)
4.3.7 Frame Interval (Unit: Millisecond)
When Modem receives packet slicing, increase the value, while for packet merging, lower the value,
20ms for 115200 baud rate, 50ms for 9600 baud rate and 200ms for 1200 baud rate.
4.3.8 Trigger Settings
1) Trigger Type
There are 2 trigger types for TW810 only, AUTO and DATA.
AUTO: Always online
DATA:Sending specific data to trigger TW810 online or offline.
Note: SMSD, CTRL, MIXED are not applicable to TW810, only available on TD210 Cellular modem.
http://www.bivocom.com/index.php?m=content&c=index&a=show&catid=12&id=22
2) Data Trigger On Password
You can set up trigger data in the blank, once the trigger mode is DATA and MIXD, and TW810 receives
the trigger data through RS232/RS485 serial port, it will get online.

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3) Data Trigger Off Password
You can set up trigger data in the blank, once the trigger mode is DATA, and TW810 receives the trigger
data through RS232/RS485 port, it will get offline.
4) RTC Setting
You can set up the system time for your TW810.
4.4Networking Setting
Figure 5
4.4.1 Network Work Mode
1) NB-IoT Modem(TW810-B5, TW810-B8, TW810-B20, TW810-GL)
For NB-IoT only version modem(like TW810-GL), there are 2 works modes you can choose, NUDP(Pure

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UDP) and COAP.(Figure 6 and 7)
Figure 6

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Figure 7
CUDP(Custom UDP) and HUDP(DCUDP) are unavailable now.
TW810 will act as a UDP client when choose NUDP.
Note: NB-IoT Modem TW810 only supports UDP and COAP.
2) LTE-CAT M1/NB1 Modem(TW810-MS7C)
While for LTE CAT M1 version modem (like TW810-MS7C), you can choose both CTCP and NUDP work
modes.
Figure 8