CUTES DBU302-011 User manual
DBU 系列煞車模組控制器說明書
1. 注意事項
感謝您選用九德松益公司生產之 DBU 系列煞車模組控制器。本産品主要應用於當三相感應馬達由交流馬達驅動器所驅動，在减速停
止時用以吸收由馬達側所回生的能量。藉由 DBU 系列煞車模組控制器將此能量以熱能的方式消耗在煞車電阻上。本産品在安裝使用
前，請依照此說明書進行施工配線，以免造成機械或人員的傷害。DBU 系列煞車模組控制器適用九德松益公司生產之交流馬達驅動
器。 DBU 系列煞車模組控制器需搭配煞車電阻 BR 系列，才能發揮優異的制動特性，詳細的規格及使用方法請繼續參閱本說明書。
當內容規格有所修正時，請洽詢代理商或至九德松益公司（http://www.cutes.com.tw/）下載最新版本。
2. 規格
DBU 煞車模組控制器規格 煞車電阻規格
動作說明：
1. 在安裝 DBU 系列煞車模組
控制器的應用中為了安全的考
量，在 DBU 系列煞車模組控制
器與煞車電阻之間加裝一積熱
電驛（O.L）；並與交流馬達驅
動器前端的電磁接觸器（MC）
作一連鎖的異常保護。
2. 加裝積熱電驛的主要目的
是為了保護煞車電阻不因煞車
頻繁過熱而燒毀，或是因輸入
電源電壓異常過高導致制動單
元連續導主動/連動設定端子
通燒毀煞車電阻。此時只有將交流馬達驅動器的電源關閉才可避免煞車電阻燒毀。
3. 積熱電驛規格的選用請參考 DBU 系列煞車模組控制器與放電電阻適用一覽表。
4. 制動單元中的故障輸出端子（RC、RA、RB）在散熱裝置溫度高於 95℃時會動作，表示安裝環境溫度可能超過 50℃以上，或是
DBU 系列煞車模組控制器 ED%超過 10ED%；若是此類的故障請自行加裝風扇強制風冷或改善環境溫度。若非溫度原因，可能控制電
路受損或溫度感測器故障，此時請送廠維修。
5. 本配線電路在電源開關（NFB）開啟時交流馬達驅動器與 DBU 系列煞車模組控制器便同時通上電源，馬達的運轉／停止的方式請
參考變頻器系列的使用手冊；DBU 系列煞車模組控制器單元會在交流馬達驅動器對馬達作減 速煞車時自動偵測交流馬達驅動器內
部的直流電壓，自動將過多的回生能量藉由煞車電阻以熱能的方式迅速消耗 BR 煞車電阻以達平穩的減速特性。
6. 除了使用積熱電驛作為保護系統及煞車電阻外，尚可加裝溫度開關於 煞車電阻端作為保護。溫度開關的動作溫度需配合制動煞
車規格，或洽詢經銷商詢問。
尺吋 功能說明
端子及電源電壓的選擇與 PN 直流電壓的動作準位
配線注意事項:
設定和調整
1. 電源電壓的調整：煞車控制器（DBU）的電力來源是接受接交流馬達變頻器+ (P)、- (N)兩端供應的直流電源。因此在配線完成
準備運轉時，依交流馬達變頻器的輸入電源來設定煞車控制器（DBU）的電源電壓是非常重要的步驟；此設定將會影響煞車控制器
（DBU）動作電壓的位準，表(端子及電源電壓的選擇與 PN 直流電壓的動作準位)為各個電壓動作準位。
2. 主動／連動的設定：煞車控制器（DBU）在出廠時均設定在“MASTER＂主動煞車的位置。“SLAVE＂連動位置的功能主要是應用於
兩台
以上煞車控制器（DBU）並聯組合的應用，可使每一台煞車控制器（DBU）同時動作同時截止，如此每一台的消耗功率均為相等充份
發揮每台的制動功能。
Dynamic Braking Unit Installation Manual
1. Preface
Thank you for choosing CUTES’s breaking module.DBU30 braking unit helps dissipate regenerative energy from the three-phase
induction motor when in applications that required sudden deceleration. With DBU30 Braking Unit, the regenerative energy will be
dissipated in dedicated braking resistor. To prevent electrical fire or human injury, follow the instruction manual before wiring. The
DBU30 braking unit is designed for use with the CUTES’s VFD models. The Braking Resistor is designed for use with DBU30
braking unit(Refer to this manual for more information).When ordering new copies of the manual, contact a CUTES representative
or download on our documentation website（http://www.cutes.com.tw/）。
2. Specifications
DBU Braking Unit Selection Braking Resistor Selection
Operation Explanation：
1. For safety consideration,
install an overload relay
between the braking unit and
the braking resistor. In
conjunction with the magnetic
contactor (MC) prior to the
drive, it can perform complete
protection against
abnormality.
2. The purpose of installing
the thermal overload relay is
to protect the braking resistor
from damage due to frequent braking, or due to braking unit keeping operating resulted from unusual high input voltage. Under
such circumstance, just turn off the power to prevent damaging the braking resistor.
3. Please refer to the specification of the thermal overload relay.
4. The alarm output terminals (RA, RC) of the braking unit will be activated when the temperature of the heat sink exceeds
95°C. It means that the temperature of the installation environment may exceed 50°C or the braking %ED may exceed 10%ED.
With this kind of alarm, please install a fan to force air-cooling or reduce the environment temperature. If the condition isn’t due to
the temperature, the control circuit or the temperature sensor may have been damaged. At this time, please send the braking unit
back to the manufacturer or agency for repair.
5. The AC Motor Drive and braking unit will be electrified at the same time while turning on the NFB (No-fuse breaker).For the
operation/stop method of the motor, please refer to the user manual of the AC Motor Drives VFD Series. The braking unit will
detect the inner DC voltage of the AC motor drive when it stops the motor by deceleration. The extra regeneration will be
dissipated away rapidly by the braking resistor in the form of heat. It can ensure the stable deceleration characteristic.
6. Besides using thermal overload relay to be the protection system and braking resistor, temperature switch can be installed on
braking resistor side as the protection. The temperature switch must comply with the braking resistor specification or contact your
dealer.
Dimension DBU Braking Unit Front View
Terminal No./ The Selection of Power Voltage and Braking Voltage Activation Level
Wiring Notice:
Setting and Confirming DBU30 Braking Unit Operation
1. Regulation of power voltage: The power source of the DBU is DC voltage from +(P) 、-(N) terminal of the AC motor drive. It is
very important to set the power voltage of the braking unit based on the input power of the AC motor drive before operation. The
setting has a great influence on the potential of the operation voltage for the braking unit .Refer to the table().
2. MASTER/SLAVE setting: The MASTER/SLAVE jumper is set “MASTER” as factory setting. The “SLAVE” setting is applied to
two or more braking units in parallel, making these braking units been enabled/disabled synchronously. Then the power dissipation
of each unit will be equivalent so that they can perform the braking function completely.
桃園市中壢區中壢工業區南園路 2-22 號
2-22 Nan Yuan Road Chung Li District, Taoyuan City, TAIWAM
Tel : +886-3-4612333 OR 886-3-4526161
FAX : +886-3-4526227 OR 886-3-4511347
九德松益公司（http://www.cutes.com.tw/）
Ver No.: TC‐V018-01‐29
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