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IOT600-TWX-TS
User Manual
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SST Automation IOT600-TWX-TS User Manual

Modbus RTU/TCP/IoT Protocol Gateway
IOT600-TWX-TS
User Manual
V1.0 REV A
SST Automation
E-mail: SUPPORT@SSTCOMM.COM
WWW.SSTCOMM.COM
1
Catalog
1 Introduction................................................................................................................................................................2
1.1 About This Document.....................................................................................................................................2
1.2 Copyright information.................................................................................................................................... 2
1.3 Related Products............................................................................................................................................. 2
2 Product Overview...................................................................................................................................................... 3
2.1 Product Function.............................................................................................................................................3
2.2 Product Features............................................................................................................................................. 3
3 Hardware Description................................................................................................................................................5
3.1 Appearance......................................................................................................................................................5
3.2 Indicators.........................................................................................................................................................6
3.3 Configuration Switch......................................................................................................................................6
3.4 Interface.......................................................................................................................................................... 7
3.4.1 Power Interface....................................................................................................................................7
3.4.2 Ethernet Interface.................................................................................................................................8
3.4.3 Serial Interface.....................................................................................................................................8
4 Instructions of Configuration Software................................................................................................................... 11
4.1 Notes before Configuring............................................................................................................................. 11
4.2 Rapid Configuration......................................................................................................................................11
4.3 Search Equipment.........................................................................................................................................12
4.3.1 Search All Equipment in Ethernet..................................................................................................... 12
4.3.2 IP Search............................................................................................................................................ 12
4.4 Configuration................................................................................................................................................14
4.4.1 Configuring Ethernet Parameters...................................................................................................... 15
4.4.2 Configuring Modbus Serial Port Parameters.................................................................................... 16
4.4.3 Configuring Modbus TCP Master Parameters.................................................................................. 17
4.4.4 Configuring Modbus Command........................................................................................................18
4.4.5 Configuring Modbus TCP Slave Parameters.................................................................................... 21
4.5 Locate............................................................................................................................................................21
4.6 Remote Reset................................................................................................................................................ 22
4.7 Open/Save/Export EXCEL...........................................................................................................................23
4.8 Auto Assign Property Name/Download....................................................................................................... 26
4.9 New...............................................................................................................................................................27
5 Typical Application..................................................................................................................................................29
6 Installation................................................................................................................................................................30
6.1 Machine Dimension......................................................................................................................................30
6.2 Installation Method.......................................................................................................................................31
2
1 Introduction

1.1 About This Document

This document describes the parameters, use methods and considerations of IOT600-TWX-TS,providing a
detailed technical implementation guide for developers. Please read this manual carefully before using the
gateway.

1.2 Copyright information

The data and examples in this document cannot be copied without authorization.
is the registered trade mark of SST Automation.

1.3 Related Products

If you want to get more information about related products, please visit SSTCOMM website:
http://www.sstcomm.com or Call the technical support hotline: +1-626-569-7107.
3

2 Product Overview

Support connecting 15 Modbus slaves
Each serial port supports up to 100 Modbus commands
Support baud rate:1200, 2400, 4800, 9600, 19200, 38400, 57600 and 115200bps
Support 01H, 02H, 03H, 04H, 05H, 06H 0FH and 10H function codes
Support up to 100 Modbus commands and up to 36 Modbus TCP devices
Support 01H, 02H, 03H, 04H, 05H, 06H 0FH and 10H function codes
Support 01H, 02H, 03H, 04H, 05H, 06H 0FH and 10H function codes and up to 36 Modbus TCP master
Register supports int16, uint16, int32, int32 inverse, uint32, uint32 inverse, float, float inverse, double,
Support coil status block, input status block, hold register block and input register block, each block

2.1 Product Function

IOT600-TWX-TS is designed to get ThingWorx users connected to their Modbus RTU slave, Modbus TCP
slave and Modbus TCP Master devices with just a few minutes of configuration time. The gateway could be edge
gateways that securely connect industrial Modbus equipment over Ethernet networks to ThingWorx.

2.2 Product Features

[1] Support maximum number of properties:1000 (Encrypted communication:860);
[2] The communication mode adopts the WebSocket mode and support TLS encrypted transmission;
[3] Modbus RTU master
[4] Modbus TCP master
[5] Modbus TCP slave
double inverse, int64, int64 inverse, uint64, uint64 inverse
supports the maximum 1024 registers or bits
[6] Power supply: 24VDC (9V ~ 30V), 90mA (24VDC);
[7] Working temperature: -4℉~140℉(-20℃~60℃), relative humidity: 5% ~ 95% (non-condensing);
[8] External Dimensions (W*H*D): 1.57 in*4.92 in*4.33 in (40mm*125mm*110mm);
4
[9] Installation: 35mm rail;
[10] Protection class: IP20;
5

3 Hardware Description

serial port I indicators
Ethernet RJ45 interface
Configuration switch
Dual power interface
serial port II indicators
RS-485 serial port I
Modbus TCP indicators
RS-485 serial port II

3.1 Appearance

6

3.2 Indicators

Indicators
Status
Descriptions
ENS
Green on
IP address has not conflict
Red on
IP address has conflict
Blinking(Red)
DHCP,IP address conflict detection
Green on
Modbus TCP interface has data to
receive or send.
Blinking(Green)
Modbus TCP interface has not data to
receive or send.
SNS
Green on
Connect to the cloud platform
Blinking(Green)/Blinkin
g(Red)/Red on
Unconnected to the cloud platform
ENS (Orange) and SNS (Orange)
(Orange: Red and green light on at
the same time)
Simultaneously on
Start-up state
Blink alternately
Configuration mode or Retained mode
Blink alternately
(lasts 3 seconds)
Using locate function
serial port I TX
Blinking(Green)
serial port I is sending data
Close(Green)
serial port I isn't sending data.
serial port I RX
Blinking(Green)
serial port I is receiving data.
Close(Green)
serial port I isn't receiving data.
serial port II TX
Blinking(Green)
serial port II is sending data
Close(Green)
serial port II isn't sending data.
serial port II RX
Blinking(Green)
serial port II is receiving data.
Close(Green)
serial port II isn't receiving data.
Off
On 1 2

3.3 Configuration Switch

The DIP switch is located at the bottom of the gateway, bit 1 is mode bit and bit 2 is function bit.
7
Mode (bit 1)
Function (bit 2)
Description
Off
Off
Run mode, allowing reading and writing of configuration
Off
On
Run mode, forbidding reading and writing configuration
On
Off
Configuration mode, IP address is 192.168.0.10 (fixed),
On
On
Reserved
Notes:Restart IOT600-TWX-TS (power off and power on) or remote reset after resetting the
Pin
Function
1
GND
2
NC, not connected
3
24V+ , DC 24V
configuration to make the configuration take effect!

3.4 Interface

3.4.1 Power Interface

IOT600TWX-TS uses a 24V DC power supply which has two power interfaces and power redundant
function. When one power fails, another power can keep supplying power.
Power supply wiring is shown as below:
8
GND
NC
24V+
1
23GND
24V+
DC power: +24V
Power interface

3.4.2 Ethernet Interface

Pin
Signal Description
S1
TXD+, Tranceive Data+, Output
S2
TXD-, Tranceive Data-, Output
S3
RXD+, Receive Data+, Input
S4
Bi-directional Data+
S5
Bi-directional Data-
S6
RXD-, Receive Data-, Input
S7
Bi-directional Data+
S8
Bi-directional Data-
Ethernet interface uses RJ-45 connector; its pin (standard Ethernet signal) is defined as below:

3.4.3 Serial Interface

Pin of RS485 interface is defined as below:
9
Pin
Description
1
B+, RS485
2
A-, RS485
3
GND
The RS485 interface of the IOT600-TWX-TS is a standard one, and the RS485 characteristics of the
product are shown as follows:
1. The basic characteristics of RS485 transmission technology
① Network topology: Linear bus, there are active bus terminal resistors at both sides.
② Transmission rate: 1200 bps~115.2Kbps.
③ Media: Shielded twisted-pair cable and also can cancel the shielding, depending on environmental
conditions (EMC).
④Site numbers: 32 stations per subsection (without repeater), and can up to 127 stations (with RS485
repeater).
⑤Plug connection: 3-pin pluggable terminal.
2. The main points on RS485 transmission equipment installation
①All the equipment are connected with RS485 bus;
②Subsection can be connected up to 32 sites;
③The farthest end of each bus has a termination resistor—120Ω 1/2W to ensure reliable operation of the
network.
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