REMOTE MONITORING

Remote environmental monitoring systems (sensors, controllers and interface cards) that provide up-to-the-second supervision and control of data center infrastructure equipment.

ENVIRONMENTAL MONITORING AND REPORTING

The Liebert OpenComms EM environmental monitor is a compact, half-duplex device designed to monitor data center insfrastructure temperature, humidity, water detection and contact closure and notify personnel when those conditions exceed user-defined limits.

The Liebert OpenComms EM data center monitoring solution is available in several models, which vary in size and number and types of ports. All models have sensor ports to monitor temperature, humidity, water detection and contact closure, and all models have either an external or built-in temperature/humidity sensor. The Liebert OpenComms EM supports a 10Mbit Ethernet connection and provides the following functionality: Web interface using HTTP, user authentication, e-mail and paging notification, SNMP support including Nform and graphing.

• Liebert OpenComms EM controller takes up zero U rack space and can support any combination of two sensors. The supported sensors are temperature, humidity, temperature and humidity combination and contact closure.
• Liebert EM PDU controller version has two sensor ports and two serial ports for connection to the Liebert Managed Power Advanced Power Strips. It takes up zero U rack space.

Features:

• Monitoring/alarm controller
• Provides temperature/humidity sensors and dry contacts
• Provides web interface using HTTP, user authentication, e-mail and paging notification, and SNMP support including Liebert Nform

Benefits:

Flexibility

• Network connectivity, allowing flexibility to receive both e-mail and paging notification. Personnel are notified when conditions exceed user-defined limits.
• Sensors for both the Liebert vEM-14 and the Liebert EM are available in both 15- and 60-foot lengths.

Higher Availability

• Expanded monitoring capability to include water detection, ensuring against downtime by increasing the likelihood that potential problems are detected before they occur.
• Built in temperature & humidity sensor, allowing flexibility to utilize an unused sensor port for additional monitoring and further ensuring against downtime.

Lowest Total Cost Of Ownership

• Ten dry contact inputs, increasing monitoring capability and ensuring against costly, unplanned downtime.

Ideally Suited For

• Network closets to monitor for temperature problems
• Equipment cabinets to monitor for overheating
• Detectors to monitor sensitive or trouble spots in a data center
• Monitoring alarms of a unit for network notification

PROACTIVE INFRASTRUCTURE MANAGEMENT FOR ITS RACK EQUIPMENT

The Liebert^® RDU-S™ Rack Performance Monitoring Device is designed to monitor the environment in electronic equipment racks and rooms through various types of sensors and cameras. The unit can accommodate multiple sensors, such as temperature, humidity, water, smoke, motion and door sensors. It can also be used for remote notification such as activating a beacon light to report problems. The Liebert RDU-S is Ethernet-ready and Web-enabled.

The compact design makes it suitable for installation in a rack, where it takes up little space, or it may be mounted on a wall for access without opening the equipment rack.

The unit comes standard with the following components:

• Liebert RDU-S management device
• Power cords: one NEMA5-15P and one IEC-320-C14
• Rack mounting brackets
• Round hangers for vertical mounting
• Quick start guide

Features:

• Web interface allowing real-time site​ monitoring and control.
• Accepts a wide variety of standard input devices and sensors.
• Allows alarm/event management.

Benefits:

Flexibility:

• The compact design makes it suitable for installation in a rack.
• It may be mounted on a wall for access without opening the equipment rack.
• Provides SNMP support for monitoring through Liebert Nform™ as well as web page support for configuration and notifications.

Higher Availability:

• Allows for quick equipment assessment and corrective action, with real-time monitoring and control.
• Ensures safe operation with multiple sensors and cameras.
• May be used to connect digital sensors, such as smoke detectors and motion detectors.
• Accepts a wide variety of standard input devices and sensors.

LOW Total Cost of Ownership:

• Reduces downtime and staffing requirements through web monitoring and control.
• Provides a cost effective means of monitoring many different types of equipment.
• Allows proactive management to prevent conditions that could result in downtime.

Ideally Suited For:

• High availability critical rack-based applications.
• Small remote sites.

Autochangeover controllers ideal for coordinated control of systems with redundant equipment, such as multiple environmental units or pumps. When the controller detects an alarm in an operating device, a standby device is enabled and the device in alarm is either disabled or left operating as configured.

AUTOMATIC SWITCHING FOR THERMAL MANAGEMENT SYSTEMS

Liebert AC4 and AC8 autochangeover controllers are ideal for coordinated control of systems with redundant equipment, such as multiple environmental units or pumps. When the controller detects an alarm in an operating device, a standby device is enabled and the device in alarm is either disabled or left operating as configured.

Liebert Controllers monitor running and stand-by environmental units for proper operation, switching operation to a redundant unit in the event of a problem. The controllers will also balance the runtime of environmental systems to ensure even component wear and long system life.

• Liebert AC4 is a four device controller with LCD display and terminal interface. Powered by 24VAC.
• Liebert AC8 is an eight device controller with Liebert SiteScan Web compatibility and modem interface. Powered by 120VAC.

Features:

• Autochangeover for thermal management units
• Balances system runtime for even component wear
• Controls up to 8 cooling systems

Benefits:

Flexibility  

• User-friendly LCD interface employs clear, simplified instructions for programming and configuration, eliminating the chances of operator error.  
• Can interface with anything that closes an electrical contact.  
• Custom configuration for specific applications and equipment.  

Higher Availability  

• Provides automatic centralized control of computer room critical equipment, simplifying emergency switching and unit testing.
• When the module recognizes an alarm condition, emergency switching capability enables it to automatically switch to a stand-by unit.  
• Alarm logs with time and date stamp.

Lowest Total Cost Of Ownership  

• For longer cooling system life, the controllers can balance the runtime of all connected air units according to a user-defined schedule.  

Ideally Suited For  

• Redundant cooling units  
• Redundant pumps  
• Redundant dampers
• Redundant fans

This panel displays customized alarm indication for any dry contact input from environmental, power and UPS systems, including Liebert units. This remote system continuously surveys your most critical support equipment and instantly alerts you to alarm conditions. The unit monitors up to four digital inputs.

REMOTE ALARM MONITORING OF CRITICAL SYSTEMS

The Liebert RCM4 contact monitor displays customized alarm indication for any dry contact input from data center cooling, power and UPS systems, including Liebert units. This remote system continuously surveys the most critical support equipment and instantly alerts users to alarm conditions. The unit monitors up to four digital inputs.

The Liebert RCM4 contact closure alarm panel monitors critical equipment and displays customized alarms at a single location.

Features:

• Displays alarm indication for dry contact inputs
• Monitors up to 4 inputs from any combination of sources
• Communicates with Liebert SiteScan Web

Benefits:

Flexibility

• Customized alarm messages are associated with each LED for quick identification of alarm conditions
• Compatible with Liebert SiteScan Web monitoring system

Higher Availability

• Automatic system reset when incoming alarms are corrected
• Four point monitor for any combination of environmental, power, and UPS systems, or other dry contact inputs

Lowest Total Cost Of Ownership

• Easily installed, with removable screw terminal connectors to simplify set-up of monitored points

Ideally Suited For

• Leak detection units
• Precision cooling units
• Power systems
• UPS systems

This solution is a microprocessor with multi-sensing, remote monitoring and remote control capabilities. Its advanced technology provides high-availability data center monitoring around the clock. The Liebert Universal Monitor can operate as an independent, stand-alone controller or in conjunction with Liebert SiteScan Web centralized monitoring system.

The Liebert Universal Monitor is a microprocessor with multi-sensing, remote monitoring and remote control capabilities. Its advanced technology provides high-availability data center monitoring around the clock. The Universal Monitor can operate as an independent, stand-alone controller or in conjunction with Liebert SiteScan Web centralized monitoring system.

The Liebert Universal Monitor is an all-purpose, simple-to-use monitoring panel that includes eight digital inputs, eight digital outputs, four analog inputs (4-20mA) and two common alarm outputs. An on-board modem is included as a standard feature to provide remote monitoring. A built-in LCD user interface makes the panel self-contained and easily accessible.

Features:

• Packaged alarm and notification unit
• Monitors and controls Liebert equipment locally and remotely
• Provides paging capability
• Offers built-in LCD interface

Benefits:

Flexibility

• Custom configuration for specific applications and equipment
• Optional I/O Expansion Module provides sixteen additional digital inputs and eight additional digital outputs to extend the monitoring capabilities of the Universal Monitor

Higher Availability

• Built-in back-up power
• Local alarm plus remote paging capability for alarm notification of up to four alphanumeric pagers
• Alarm and trend history

Lowest Total Cost Of Ownership

• User interface via LCD display panel or RS232 connection will perform all set-up, configuration and monitoring without additional software
• Wallmount unit requires minimal space

Ideally Suited For

• Data centers
• Process control areas
• Telecom switch rooms
• Remote communications shelters
• Communications closets
• Equipment rooms

Temperature and humidity sensors provide accurate sensing of room temperature and humidity, transmitting the data via 4-20 mA output signal to the Liebert Universal Monitor.

TEMPERATURE AND HUMIDITY SENSORS

The Liebert TW420 and THW420 temperature and humidity sensors provide accurate sensing of room temperature and humidity, transmitting the data via 4-20 mA output signal to the Liebert Universal Monitor.

The Liebert TW420 and THW420 sensors provide temperature and humidity inputs to the Universal Monitor.

• Liebert TW420 is a wallmounted, remote temperature sensor that provides a 4-20mA signal. Monitored temperature range is 45°F to 96°F (7°C to 35°C).
• Liebert THW420 is a wallmounted, remote combination temperature and humidity sensor that provides two 4-20mA signals. Monitored temperature range is 45°F to 96°F (7°C to 35°C), with 0 to 100% RH.

Features:

• Wall-mounted temperature/humidity sensor
• Communicates to Liebert Universal Monitor
• Installs easily

Benefits:

Flexibility

• Remote monitors provide temperature or temperature/humidity indication to Liebert Universal Monitor

Higher Availability

• Specifically designed for temperature and humidity sensing and transmission over long distances without degradation of the 4-20 mA signal

Lowest Total Cost Of Ownership

• Easy to install

Ideally Suited For

• Data centers
• Process control areas
• Telecom switch rooms
• Remote communications shelters
• Communications closets
• Equipment rooms

CENTRALIZED POWER DISTRIBUTION FOR 24 VAC LOADS

This solution provides centralized power distribution for 24VAC loads with two independently-fused 40VA isolated outputs. The TM115 and TM230 transformer modules are designed as self-contained, stand-alone devices.

The Liebert Transformer module supports data center power management by providing centralized power distribution for 24VAC loads with two independently-fused 40VA isolated outputs. The TM115 and TM230 transformer modules are designed as self-contained, stand-alone devices.

Liebert TM115 and Liebert TM230 transformer modules are designed as self-contained, stand-alone power conversion devices.

• Liebert TM115 transformer module converts 115VAC to two 24VAC outputs. The unit includes an On/Off switch and a 115VAC power receptacle. Each of the 24VAC outputs has a replaceable fuse for circuit protection.
• Liebert TM230 transformer module converts 230VAC to two 24VAC outputs. The unit includes an On/Off switch. Each of the 24VAC outputs has a replaceable fuse for circuit protection

Features:

• Self-contained power conversion module
• Provides independently fused circuits

Benefits:

Flexibility

• Units provide centralized power distribution

Higher Availability

• Outputs are independently fused for greater reliability
• On/Off switch for greater control

Lowest Total Cost of Ownership

• Self-contained system provides all conversion components

Ideally Suited For

• Liebert SiteScan Web application to power multiple modules
• Power Liebert Universal Monitor and I/O expansion module from one power source
• Power for stand alone and leak detection modules
• Centralized management of 24VAC power

The Liebert iCOM control system featured on Liebert precision cooling products brings high-level supervision to multiple units, allowing up to 32 cooling units to work together as a single system to optimize room environments and drive data center infrastructure performance. Liebert iCOM controls offer a variety of advantages, including increased data center energy efficiency, availability and flexibility.

Benefits:

Control

• Controls unit fan speed and humidity to optimize cooling and environment – dynamic fan speed and dew point control for cooling efficiency
• Maximizes cooling equipment “teamwork” operation and load sharing for energy efficient operation – rotate operation of team daily, weekly or monthly to balance run hours and maximize system life
• Manages data center “zones”  to  optimize cooling – establish zones for non-homogeneous heat loads, contained areas, and localized high density areas
• Ensures continuous operation with auto-changeover  to standby unit in case of primary unit shutdown – no additional equipment is required for lead/lag units

Monitoring

• Displays detailed, real-time information to keep you informed of unit  performance – includes current cooling and humidification status, setpoints, current and recent alarms, and health
• On-unit or central screens available with the level of support required for the protected space
• Compatible with centralized monitoring and control platforms – Liebert IntelliSlot Web or 485 cards enable monitoring through Liebert SiteScan or a Building Management System

Predictive Wellness/Maintenance

• Enhances reliability with predictive analysis of components and performance – advance notice allows proactive management of system maintenance
• Event logs store the last 400 messages to enrich unit history and enhance support

Service and Spare Parts History

• On-board service history allows prompt access to records for service personnel
• On-board spare parts list provides convenient identification of  the appropriate unit spare parts and part numbers for faster service and support

TEAM COMMUNICATION AND LEAD/LAG OPERATION FOR LIEBERT EQUIPMENT WITH ICOM CONTROLS

The Liebert vNSA network switch interconnects cooling units equipped with iCOM controls, allowing the units to communicate and function as a team, and allowing lead/lag operation. The Liebert vNSA is available with a variety of port connections, and also in models that include an embedded iCOM display. Input power is supplied by a universal power supply.

Features:

• Network switching for Liebert iCOM controllers
• Facilitates team function for Liebert iCOM
• Allows lead/lag unit control

Benefits:

Flexibility

• Available with one or two 8-port switches for a total of 8 or 16 Ethernet ports. Each switch has eight 10/100Mbps twisted-pair RJ45 ports, allowing connection of Ethernet-ready devices to available ports.
• Available in four models, supporting from four to 13 connected units.
• Can be mounted on the wall or under the floor.
• The securable enclosure is suitable for both new construction and retrofit jobs.

Higher Availability

• Three automatic features autonegotiation, autopolarity and autocrossing — allow the use of standard network cables (CAT5 or better) for connection to each port, rather than a special crossover cable.
• Allows lead/lag operation of connected units, balancing runtime and enhancing system and component life.

Lowest Total Cost Of Ownership

• The vNSA can be combined with an iCOM large display to provide a single package.

Ideally Suited For

• Liebert precision cooling units equipped with iCOM controls