All the components are supplied in particular hardware and software configurations appropriate for the application. Modifications to hardware or software configurations other than those described in the documentation are not permitted, and nullify the liability of Beckhoff Automation GmbH & Co. KG. Personnel qualification This description is only intended for trained specialists in control, automation and drive engineering who are familiar with the applicable national standards.
FF - firmware version HH - hardware version Example with ser. no.: 39 04 1B 01: 39 - week of production 39 4 - year of production 2004 1B - firmware version 1B 01 - hardware version 01 KL9570 Version: 2.0...
• When this voltage reaches 55 V, the KL9570 establishes a connection between terminal points 5 and • If the voltage between terminal points 2 and 6 falls below 52 V, the KL9570 disconnects terminal points 5 and 6 from each other again.
Product overview LED display The Overload LED is lit as soon as terminal points 5 and 6 are connected. Technical data Technical data KL9570/KS9570 Rated voltage 50 V Capacity 500 µF Switch-on threshold 55 V Switch-off threshold 52 V Ripple current 10 A in continuous operation Internal resistance < 10 mΩ...
Note flict with the fixing bolts of the mounting rail. To mount the mounting rails with a height of 7.5 mm under the terminals and couplers, you should use flat mounting connections (e.g. countersunk screws or blind rivets). Version: 2.0 KL9570...
PE power contact The power contact labeled PE can be used as a protective earth. For safety reasons this contact mates first when plugging together, and can ground short-circuit currents of up to 125 A. KL9570 Version: 2.0...
Standard wiring (ELxxxx / KLxxxx) Fig. 5: Standard wiring The terminals of ELxxxx and KLxxxx series have been tried and tested for years. They feature integrated screwless spring force technology for fast and simple assembly. KL9570 Version: 2.0...
Ultrasonically "bonded" (ultrasonically welded) conductors Ultrasonically “bonded" conductors It is also possible to connect the Standard and High Density Terminals with ultrasonically "bonded" (ultrasonically welded) conductors. In this case, please note the tables concern- Note ing the wire-size width below! Version: 2.0 KL9570...
The cables are released, as usual, using the contact release with the aid of a screwdriver. See the following table for the suitable wire size width. KL9570 Version: 2.0...
Risk of injury through electric shock and damage to the device! Bring the Bus Terminals system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals! WARNING Fig. 9: KL9570 - pin assignment Terminal point No. Comment for connecting the external brake resistor...
Bus Terminals! WARNING Function • The capacitor in the KL9570 compensates peaks in the supply voltage for the stepper motor/DC motor. • As soon as this supply voltage exceeds 55 V, the KL9570 activates the brake resistor R , which chopper then uses up the braking energy fed back from the stepper motor / DC motor connected to the KL2541.
• EN 60079-0:2012+A11:2013 • EN 60079-15:2010 Marking The Beckhoff fieldbus components with standard temperature range certified for potentially explosive areas bear one of the following markings: II 3G KEMA 10ATEX0075 X Ex nA IIC T4 Gc Ta: 0 … 55°C II 3G KEMA 10ATEX0075 X Ex nC IIC T4 Gc Ta: 0 … 55°C Version: 2.0...
Notes about operation of the Beckhoff terminal systems in potentially explo- sive areas (ATEX) Pay also attention to the continuative documentation Note Notes about operation of the Beckhoff terminal systems in potentially explosive areas (ATEX) that is available in the download area of the Beckhoff homepage http:\\www.beckhoff.com! KL9570...
Beckhoff's branch offices and representatives Please contact your Beckhoff branch office or representative for local support and service on Beckhoff products! The addresses of Beckhoff's branch offices and representatives round the world can be found on her internet pages: http://www.beckhoff.com You will also find further documentation for Beckhoff components there.
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Power contact on left side......................Fig. 5 Standard wiring..........................Fig. 6 Pluggable wiring .......................... Fig. 7 High Density Terminals........................ Fig. 8 Connecting a cable on a terminal point ..................Fig. 9 KL9570 - pin assignment ......................Fig. 10 Application example........................KL9570 Version: 2.0...
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