Liebert RDU-A Intelligent Monitoring Solution ®

Liebert® RDU-A
Intelligent Monitoring Solution
The Liebert® RDU-A intelligent monitoring hardware is an intelligent monitoring platform from Emerson Network Power
that allows data center administrators to combine monitoring of the equipments, environment and safety of the facility
altogether. Its ¼exible structural design enables the user to customize con»gurations according to the speci»c requirements
of the IT infrastructure operations.
The Liebert® RDU-A allows data
center managers to perform the
following operations through a
secure web page:
FRONT
„ Monitoring of the health and status of the
equipment
„ Environment temperature and humidity
„ Transmission of control or commands to
the equipment and parameter setting
„ Data and logs of historical information of
alarms and noti»cations
BACK
3rd Party Communications:
The Liebert® RDU-A serves as the communication gateway for
the equipment and the Liebert® RDU-M solution. It intelligently
collects and communicates data and commands, giving IT
administrators a comprehensive view of what’s happening at
the equipment level of the facility.
„ SNMP
„ Modbus 485
„ Contact Closure
Mechanical Specifications
Components
Size (L × W × H, unit: mm)
Weight (unit: kg)
RDU-A host
483.0 × 286.0 × 40.3
’5
Power module
198.2 × 108.0 × 42.6
’1
IRM-E04COM board
122.0 × 180.0 × 20.0
’ 0.5
Environment Conditions
Item
Application location
Working temperature
Relative humidity
Working environment
Air pressure
Requirement
In data center or computer room, with air conditioner
-10ºC ~ +50ºC
5%RH ~ 95%RH, no condensing
Dust: compliant with the indoor requirements of GR-63. No corrosive gas,
¼ammable gas, oily mist, steam, water drops or salt
70kpa ~ 106kpa
Storage temperature
-40ºC ~ +70ºC
Cooling
Natural cooling
Power distribution network
Protection level
TT/TN
IP20
Liebert® RDU-A
Intelligent Monitoring Solution
RDU-A Capabilities
Modbus 485 Communications
High Level Protocol Management:
1. Modbus 485 Communications
„ Maximum of 16 devices in an RDU module
„ Each COM port can support 4 daisy chain
485 Daisy Chain ™
connection (need to be same device)
2. SNMP Communication
„ Maximum of 8 SNMP devices can be attached to
™
High Level Modbus 485
Communications
1 RDU module
Note:
• Maximum of only 16 devices can be attached to 1
RDU module. This can consist of all Modbus 485
communication or a combination of 8 SNMP and 8
Modbus 485
™
High Level Modbus 485
Communications
SNMP Communications
Network Switch
Network Cable
Network Cable
• If communication to 3rd party device, will need to get
SNMP MIB File for SNMP comms and Modbus Reference
Library for Modbus Comms to build driver. This will
incur additional charges.
RDU-A Module
Environmental:
1. Temperature and Temperature & Humidity
Sensor
„ Maximum of 28 sensors in 1 RDU-A (If 28 T/H
Sensors are already used in 1 RDU-A, you cannot
add any other type of sensor because it reached
it’s limit.
™
Standard RJ45 Straight
through patch cable
2. Smoke Sensor (1x)
„ Can use 4DI Extension sensor
3. Water Leak Sensor (1x)
„ Can use 4DI Extension sensor
4DI Modular Extension
Temperature/
Humidity Sensor
Temperature Sensor
4. Door Sensor (2x)
5. Infrared Sensor
„ Can use 4DI Extension sensor
Note:
Each RDU-A supports up to 28 knots (28 different sensors)
Smoke
Infrared
Leak
Door
While every precaution has been taken to ensure accuracy and completeness herein, Emerson Network Power assumes no responsibility, and disclaims all liability, for damages
resulting from use of this information or for any errors or omissions. Speci»cations are subject to change without notice.
Emerson Network Power and Liebert® are trademarks of Emerson Electric Co. or one of its af»liated companies. All other names and logos referred to are trade names,
trademarks, or registered trademarks of their respective owners. ©2014 Emerson Electric Co.
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