Customer Wiring

Input power (input to TB3)

Pin 1(+)

Pin 2(-) Pin 3 (NC)

Modbus output for BMS (output from TB2)

TB1: Pin 1 (+), Pin 2 (-)

TB2: Pin 1 (+), Pin 2 (-)

Network port

for NMS and

Web access

DTE serial port for configuration (requires null-modem connection)

IGMnet or Liebert SiteScan® Comms from unit (input to TB1 or P1)

Refer to user manual for details

Specifications

Power

AC Inputs

18 - 24 VAC; 50/60 Hz

DC Inputs

12 - 36VDC

Requirements

 

 

Power Consumption

6VA maximum

 

 

 

 

Dimensions - W x D x H: in. (mm)

7 x 4 x 1.5 (178 x 102 x 38)

Weight

Net - oz. (kg)

7 (0.2)

 

 

Shipping - lb. (kg)

1.3 (0.6)

 

 

 

 

Ambient Operating Environment, °F (°C)

32 to 104 (0 to 40); 10% to 90% RH (non-condensing)

Ambient Storage Temperature, °F (°C)

-4 to 140 (-20 to 60)

Protection

 

SELV Isolated User Connections, Watchdog Timer Circuitry

 

Service Terminal (RS-232)

DB9F, DTE

Communication

Unit Input

TB1, 2-Position Terminal Block

Communications

P1, 20-PIN Vertical Header with Ejection Latches (for some UPS models)

Ports

 

 

Modbus (RS-485)

TB2, 2-Position Terminal Block

 

 

 

 

 

Ethernet Communications

RJ45

 

 

 

Wiring Specifications

Connection

Supported Wire Types

Maximum Wire Length

 

 

 

TB1 (RS-422)

18-22 AWG Stranded & Shielded; 18 AWG* recommended

1000 ft. (300m)

Non Plenum - Belden 9461; Plenum - Belden 88761

 

 

TB2 (RS-485)

18-22 AWG Stranded & Shielded; 18 AWG* recommended

3000 ft. (915m)

Non Plenum - Belden 9461; Plenum - Belden 88761

 

 

TB3 (Power Input)

18-22 AWG Stranded & Shielded; 18 AWG* recommended

20 ft. (6m)

Non Plenum - Belden 8770; Plenum - Belden 88770

 

 

DB9F Connector

DTE Null Modem Cable

50 ft. (15m)

 

 

 

RJ45 Connector

Standard Category 5 Cable

328 ft. (100m)

 

 

 

Liebert Corporation

1050 Dearborn Drive

Telephone: 1-800-877-9222

P.O. Box 29186

Facsimile: 1-614-841-6022

Columbus, OH 43229

www.liebert.com

© 2007 Liebert Corporation

All rights reserved throughout the world. Specifications subject to change without notice.

®Liebert and the Liebert logo are registered trademarks of Liebert Corporation. All names referred to are trademarks or registered trademarks of their respective owners.

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Emerson WEB/485 dimensions Customer Wiring, Wiring Specifications

WEB/485 specifications

The Emerson WEB/485 is a powerful and versatile web-server designed for the continuous monitoring and management of industrial automation systems. As a robust device, it facilitates communication between various field devices, such as sensors, controllers, and data acquisition systems, and provides users with remote access to these systems through standard web protocols.

One of the standout features of the WEB/485 is its capability to support multiple communication protocols. It is compatible with MODBUS RTU, MODBUS TCP/IP, and several others, making it an ideal solution for integrating legacy systems with modern technologies. This flexibility allows users to harness the full potential of their existing infrastructure without the need for costly and extensive upgrades.

The WEB/485 is equipped with an Ethernet port along with RS-232/RS-485 serial interfaces, enabling reliable data transmission over both wired networks and point-to-point connections. The dual communication interfaces enhance the device’s adaptability, allowing it to serve diverse environments—from factory floors to remote monitoring stations.

Security is a top priority for industrial applications, and the WEB/485 addresses this with built-in features such as user authentication and encrypted communications. This ensures that sensitive data remains secure and minimizes the risk of unauthorized access to the automation system.

Another notable characteristic of the Emerson WEB/485 is its user-friendly web interface. The device’s graphical user interface (GUI) allows operators to easily visualize real-time data, configure system settings, and generate reports without extensive training or specialized knowledge. This ease of use helps businesses improve operational efficiency as personnel can quickly respond to system alerts and anomalies.

In addition to its standard features, the WEB/485 supports customizable data logging and alarm management. Users can set up thresholds for various parameters and receive notifications via email or SMS when certain criteria are met, enabling proactive maintenance and reducing downtime.

Overall, the Emerson WEB/485 combines robust communication capabilities, security features, and user-friendly design, making it an essential tool for modern industrial automation. Its integration capabilities allow for seamless operation within a variety of systems, ultimately contributing to enhanced productivity and reliability in complex industrial environments. With its advanced functionalities, it stands out as a preferred choice for engineers and technicians aiming to optimize their automation processes.