CB20 - OPENBUSTM CONTROL BOX - Linak

PRODUCT DATA SHEET 

CB20 - OPENBUS TM 

CONTROL BOX 

Features & Options: 

• 4 channel version (8 Amps) 



• Mains voltage 230V 50/60Hz version - also 

available as Low Power version 

• Mains voltage 120V 60Hz version - also available 

as Low Power version 

• Mains voltage 100V 50/60Hz version - also 

available as Low Power version 

• Service data is logged on every channel/actuator 

• Standard software, with many functionalities 

• Battery capacity 1.2 AH, 24 V 

• Protection class: IPX4, IPX6 (Cannot be used for 

Washable systems) 

• The CP together with the BA can be mounted 

separately from the CU with use of the 

mounting bracket 

• Multiple position feedback possible on all 

channels (Reed, Hall and potentiometer) 

• Connection of up to 12 Handsets / Attendant 

controls, (depending on current consumption) 

• Power management 

• Colour: grey 

• Locking mechanism is included in CU20 

• Customised software 

• Low power version 

Usage: 

• Compatible with LA27C, LA31, LA34, LA44, BL1 

and BL4/BB3 configured for CB20 

• Duty cycle: 10% ˜ max. 2 min. continuous use 

followed by 18 min. not in use 

• Ambient temperature +5˚ to + 40˚C 

• Standard CB20 is UL60601 and EN60601-1 

approved with the following products: 

LA23, LA27, LA31, LA34, BL1, ACC, ACK, ACO, 

HB4X, HB5x, HB7x, HB8x, HD8x and HL8x 

CB20 is the platform for the future with a unique 

safety concept, logging of service data and it is possible 

to connect a variety of accessories to the control 

box. 

CB20 consists of 3 modules: 

• CP20 = Control Power 

• CU20 = Control Unit 

• BA20 = Battery 

The modularity makes it easy to update the product 

with new technology and enables easier servicing. 

The product is herewith prepared for future demands 

in the area of advanced actuator solutions.

CP20 

Ordering example: 

CP20 

0 0 0 0 0 A 0 1 0 0 9 

Cables: 

IP protection: 

Mains Voltage: 

9 = No mains cable encl. (must be ordered separately) 

0 = IPX4 

6 = IPX6 

0 = 230 V 50 Hz 

1 = 120 V 60 Hz 

2 = 100 V 50/60 Hz 

Colour: 1 = Grey, RAL 7035 

Class: 

Battery: 

Output cable : 

0 = Class 1, with earth connection 

1 = Class 2, without earth connection 

A = For use with 1.2 Ah Lead Acid batteries 

0 = For mounting on CP only 

Not used: 

Transformer: 

Type: 

0 = 200W supply toroidal (standard) 

1 = 270W supply toroidal (increased power), only for 

230V and 120V versions 

0 = Std. 

G = Low Power 

NB: IPX6 - cannot be used for Washable systems 


• Mains voltage 100,120, 230V AC 50/60Hz 

• 200 W toroidal transformer 

• Class 1 (with earth) 


• IP Protection class IPX4 

• IP Protection class IPX6 (Cannot be used for 

Washable systems) 

• Extension cable and mounting plate for use when 

CP20 and BA20 are placed separately from the CU20 

(must be ordered separately) 

• Low Power 

Precautions: 

Please note mains cable must be ordered seperately. 

Dimensions:

CU20 


CU20 

0 0 0 0 0 0 1 1 0 0 4 

Channels: 


4 = No. of channels 



0 = IPX4 

6 = IPX6 

Port 7 options: 

0 = None 

1 = for future use 

Colour: 1 = Grey, RAL 7035 

Board type: 

Software: 

Type: 

1 = Standard (8 Amp.) 

2 = with EEPROM, for use with COBO20 

If CU20 software is specified with memory or fixed positions 

(Special software) 

00000 = No software programmed 

1xxxx = LINAK software number/configuration 

77xxx/60xxx = Customer specific software 

0 = Std. 

G = Low Power 



• 4, 5 or 6 channels 

• 8 Amp. current cut-off on each individual channel 


• IP Protection class IPX4 

• Configurable software 

• IP Protection class IPX6 (Cannot be used for 

Washable systems)) 

• Customised software 

• Low Power 

Blind plug for IN ports: Order no.: 0821008 (must be ordered separately) 

Dimensions:

BA20 


BA20 

1 

6 - 0 2 0 0 - 0 0 0 

Not used: 

Not used: 

Not used: 

Not used: 

Type: 

Not used: 

0 = Not used 

0 = Not used 

0 = Not used 

- = Not used 

0200 = 1.2Ah Lead Acid battery 

- = Not used 


6 = IPX6 

Colour: 

1 = RAL 7035 

Type: 

BA20 


Features: 

• 1.2 Ah Lead Acid battery 


• IP Protection class IPX6 (Cannot be used for Washable systems) 

Dimensions BA20:

CB20 (complete) dimensions:

Compatibility 

The introduction of CB20 and OpenBus communication has made it necessary to make changes to Actuators, 

Handsets and Attendant Controls. In order to make them compatible with OpenBus control boxes. 

The following products are compatible with CB20 

Product: Type: Cable: 

LA27 Option position: 0 (Standard) 

Must be CABLE A 

Option position: B (Hall) 

Must be CABLE A 

LA31 

LA34 

LA44 

Option: 0 (Standard) 

Option: H (Hall) 

Positioning: 0 (No) 

Positioning: P (Potentiometer) 

Positioning: H (Hall) 

Positioning: 0 (No) 

Positioning: P (Potentiometer) 

Positioning: H (Hall) 

Must be CABLE P 

Must be CABLE K 

Must be CABLE U 



BB3 Option: 2 (Reed CB20) 

BL4 

Option: 2 (Reed CB20) 

HB40 Functionality: V Must be CABLE B 



HL70 Functionality: V Must be CABLE B 

HB80 Functionality: V Must be cable ID: 

61, 62 or 63 

ACC All types 

ACK All types 

MJB All types 

DJB Type: 001 

(This functionality makes it possible to connect not OpenBus 

HB’s and FS’s to a OpenBus system) 

Must be CABLE 4 

FS1 All types but only connected through DJB 001 

FS2 All types but only connected through DJB 001 

LA31, LA34 and LA44 actuators are fitted with the exchangeable cable socket. 

CB20 is at the present not compatible with ”buffer” type actuators.

Products for mounting CP20 and BA20 apart from CU20: 

Item no.: Product description Colour 

0951016 Mounting plate RAL7035 

0964014 Extension cable between CP-CU RAL7035 

Mounting plate dimensions: 

ACC and MJB cables: 

Item no.: Type: Colour: Material: Plug: Length: 

0277054-1250 Straight RAL7035 PVC Modular jack – modular jack 1250 



0964110-500 Straight RAL7035 PVC Modular Jack 500 



0964233 Straight RAL7035 PVC Modular jack – modular jack 650 

Actuator connector cables: 

Item no.: Wires: Type: Colour: Material: Plug: Length: 

0964003-300 6 Straight RAL7035 PVC Minifit - Minifit 300 





0964008-200 4 Coiled RAL7035 PVC Minifit - Minifit 200 

0964008-400 4 Coiled RAL7035 PVC Minifit - Minifit 400 

0964424-0300 6 Straight* RAL7035 PVC Minifit - Minifit 300 




*18 AWG motor wires 

Please be aware: 

CB20 is delivered in 3 separate units. The units are not assembled at LINAK A/S

Copyright © LINAK 2012.05 . MA M9-02-214-D . Chapter 6.12 

Terms of use 

The user is responsible for determining the suitability of LINAK products for specific application. 

LINAK takes great care in providing accurate and up-to-date information on its products. 

However, due to continuous development in order to improve its products, LINAK products are 

subject to frequent modifications and changes without prior notice. Therefore, LINAK cannot 

guarantee the correct and actual status of said information on its products. 

While LINAK uses its best efforts to fulfil orders, LINAK cannot, for the same reasons as 

mentioned above, guarantee the availability of any particular product. Therefore, LINAK reserves 

the right to discontinue the sale of any product displayed on its website or listed in its catalogues 

or other written material drawn up by LINAK. 

All sales are subject to the Standard Terms of Sale and Delivery for LINAK. For a copy hereof, 

please contact LINAK. 

FOR MOUNTING INSTRUCTIONS AND GUIDANCE IN USAGE, PLEASE SEE THE RELEVANT USER’S MANUALS

CB20 - OPENBUSTM CONTROL BOX - Linak

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?