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IMG-120T

Industrial 2-port RS422/485 Modbus Gateway

Overview
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Key Features
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Economical Solution for Industrial Modbus TCP/RTU/ASCII Network Integration

PLANET has added the Industrial Modbus TCP/IP Protocol to its IMG-120T Industrial-level 2-port RS422/485 Modbus Gateway, an industrial management level product that comes with SCADA/HMI system and other data acquisition systems on the factory floor. Moreover, an industrial IT SNMP network can be upgraded to an Industrial automation Modbus TCP/IP network without any difficulty and extra expense. The IMG-120T offers a flexible network connectivity solution for industrial automation environment. PLANET IMG-120T is a conversion bridge between Modbus TCP/IP Protocol and Modbus RTU/ASCII Protocol. It features a wide operating temperature range from -40 to 75 degrees C and a compact but rugged IP40 metal housing.

The Conversion Bridge that Makes Communications Convenient

As the conversion bridge, the IMG-120T communicates well between any industrial equipment with the Modbus RTU/ASCII Protocol and the administrator workstation that runs the Modbus TCP/IP Protocol. The RS422/485 serial interface of the IMG-120T provides the Modbus RTU/ASCII operation mode and various baud rate options to meet the demand of integration between the Modbus TCP/IP Protocol, Modbus RTU Master/Slave Protocol and Modbus ASCII Master/Slave Protocol.

The advantage of having the IMG-120T is to assist users to build an industrial environment between the Modbus TCP/IP Protocol and the Modbus RTU/ASCII Protocol easily, thus offering an application solution to the industrial control equipment without Ethernet ports. Thus, the industrial control equipment can only control through an industrial PC workstation or industrial control panel.

In addition, the effective integration of Modbus Ethernet devices, Modbus serial equipment or multi Modbus master/slave in an industrial hybrid network brings the following:

Master mode supports up to 32 slave TCP connection requests
Slave mode supports up to 16 TCP master connections

Remote Management

The IMG-120T makes the connected industrial Modbus RTU/ASCII equipment become IP-based facilities and is able to connect to the Modbus TCP/IP network via its R422/485 serial interface and 10/100BASE-TX RJ45 Ethernet port. It provides a remote web management and telnet Interface for efficient remote network management. The IMG-120T also provides PLANET Modbus Gateway utility tool and supports PLANET Smart Discovery utility to help network administrator to easily get the current IP subnet address information or change the IP subnet address setting of the IMG-120T.

Modbus Serial Port State Monitoring

The IMG-120T shows the details of the total bytes transmitted and received on the RS422/485 serial interface, and the detailed total number of frames transmitted and received on the remote web/telnet management interface. This function allows network administrator to check the status and statistics of the IMG-120T via the single RS422/485 serial interface.

Serial Port
Interface	RS422/RS485 x 2
Connector	10-contact terminal block for RS422/RS485
Surge Protection	1KV
Baud Rate (Data Rate)	300bps to 115200bps
Data Bits	7, 8
Parity Type	Odd, Even, None, Space, Mark
Stop Bit	1, 2
Flow Control	H/W, None
Signals	RS422 : Tx+, Tx-, GND, Rx+, Rx- RS485: Data A (+), GND, Data B (-)
Distance	RS422/RS485 for 20m transfer distance
Operation Mode	RTU Master/RTU Slave/ASCII Master/ASCII Slave Master mode: Supports up to 32 slave TCP connection requests Slave mode: Supports up to 16 TCP master connection requests
Fast Ethernet Port
Standard	IEEE 802.3 10BASE-T standard IEEE 802.3u 100BASE-TX standard IEEE 802.3x Full-duplex flow control
Connector	RJ45
Distance	100 meters
Hardware
Copper Port	10/100BASE-TX RJ45 TP x1, auto-MDI/MDI-X, auto-negotiation
Serial Port	RS422/RS485 x 2
DIP Switch	Reset system to factory default
LED Indicators	System: Power x 1 10/100BASE-TX Port: Link/Active x 1 RS422/RS485 Serial Port: TX (Transmit) x 2, RX (Receive) x 2
Management	Remote Web Management Remote Telnet Management PLANET Modbus Gateway Utility PLANET Smart Discovery Utility
Operation Mode	RTU Master RTU Slave ASCII Master ASCII Slave
Dimension (W x D x H)	69 x 100 x 22 mm
Weight	238g
Power Input Connector	2-contact terminal block connector DC power (9-48V) * *: Please follow the DC power input symbol from the front panel of the IMG-120T -- insert positive DC power wire into V+, and negative DC power wire into V-. Otherwise, it will damage the device.
Power Consumption	1.25W@9V (max.)
Installation	Wall-mount kit
Mechanical	Metal
Standards Conformance
Standards Compliance	IEEE 802.3 10BASE-T standard IEEE 802.3u 100BASE-TX standard IEEE 802.3x Full-duplex flow control EIA/TIA RS422/485
Regulatory Compliance	FCC Part 15 Class B, CE
Stability Testing	IEC60068-2-32 (free fall) IEC60068-2-27 (shock) IEC60068-2-6 (vibration)
Environment
Temperature	Operating: -40~75 degrees C Storage: -40~75 degrees C
Humidity	Operating: 5~95% (non-condensing) Storage: 5~95% (non-condensing)

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