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[DX260] Multi-Rack CDU Controller


[DX260] Multi-Rack CDU Controller
- Control of multi-rack compressors.
- Control of up to 8 units(compressors and/or CDUs) - Default: 4 compressors+4 Condensers
- Efficient control of multiple units(setting up on/off respectively or between steps)
- Perfectly even operation time(less than 1 hour of difference in total time)
- Pressure/temperature control(intake pressure and discharge pressure respectively or linked control)
- Powerful trip data log(up to 160 events)
- Optimal control of condensing fan speed(4-20mA PID control)
- Transmission(pressure and temperature)
- PC monitoring system via RS485 of MODBUS protocol
High Performance RISC Micom
A high performance RISC micom integrates operations and controls digitally and precisely. It handles the instructions really fast and reduces the risks with high sample rates.

Large Display and Easy-To-Use User Interface
A 5" LCD of 240X128 resolution supports the multilingual(English, Japanese, Chinese, and Korean language) texts and images for users. Any operators can select all the menus by following the steps on the screen.
It is as easy as your fingertips.

Operation Status Display
DX260 displays the operation status of a compressor and waiting time.

Compact Size, Simple Operation, and Intelligent Multifunctions for Screw Compressors
Integrating modules of control and display makes it possible to be compact and reliable. It can be installed almost everywhere, even at small spaces, and applied to various screw compressors. With the real-time information on the screen and simple operation as well as intelligent multifunctions, operators can handle the situations without problem and save the time, money, and efforts for maintenance.

Trip Data Log
DX260 records the important data such as trip is recorded and traces up to 160 events. It provides the useful information for analysis and troubleshooting including history while tripped.

Noise-Free Solutions
Digital I/O signals are completely insulated to block the signals from outside affecting the mainboard. There are safety functions in CPU. Brownout monitors the control power in real time and watchdog checks the status continuously(every 32msec) and makes it recover from CPU down by noise automatically.

RS485 port, MODBUS RTU stnadard protocol, MMI software, and automatic interface are supported.

■ Technical Specifications
                          DX260-00 DX260-11
Dimensions 230(W) x 150(H) x 45(D) 
Mount 204(W) x 90(H), Mount Hole Ø5 x 4EA
Power AC24V, 50/60Hz or DC24V Max. 20VA
※Power Trans(24069001) - Optional
Digital Input Opto-Isolation 10EA(5X2 common), AC24V or DC24V
Output Relay Contact, 12EA(4X3 common), 250V 10A
Analog Input NTC 3EA, 0~1Vdc, 4~20mA 2EA
Output   3Ch Analog Output
Communication - RS485(Half-Duplex Type)
2 Channels(MODBUS RTU)
Screen & Touch 5" LCD (240 X 128) / LED Backlit/ Membrane Keypad
Operation Temperature -10~60℃  / Humidity 5~95%RH
Storage Temperature -30~80℃  / Humidity 5~95%RH

■ Accessories
Category Model Specifications
Power Trans 24069001 AC220V to AC24V, 30VA
DP506.930A -0.1-9bar
DP506.933A 0-30bar

※ Minimum Hardware System Requirements for Operation
Model  Descriptions Qty (EA) Controller & Accessories
Chiller Application
(Multi Rack Control)
Controller 1 DX260
Transformer 1 TR,220/24V(30VA),PN:24069001
Temperature Sensor for
Evaporator (Head Type)
1 DPR-TH01-H6D100L*1/2
Temperature Sensor Well 1 TC WELL 8@*80L*1/2*1/2

Model  Descriptions Qty (EA) Controller & Accessories
CDU Application
(Multi Rack Control)
Controller 1 DX260
Transformer 1 TR,220/24V(30VA),PN:24069001
Suction Pressure Sensor 1 DP506.930A or DP506.933A
Discharge Pressure Sensor 1 DP506.930A or DP506.933A

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