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ABB Jokab Safety

Varlabergsvägen 11, SE-434 39, Sweden

www.abb.com/jokabsafety

Safety Manual

BT50(T)

Safety relay / Expansion relay

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Summary of Contents for BT50

Page 1: ...ABB Jokab Safety Varlabergsvägen 11 SE 434 39 Sweden www abb com jokabsafety Safety Manual BT50 T Safety relay Expansion relay ...

Page 2: ...B SAFETY will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product machine system or other application or use The following are some examples of applications for which particular atte...

Page 3: ...ation output 6 BT50T Delay times 6 4 Connections 7 Electrical connection 7 5 Connection examples 8 6 Installation 9 Terminals 9 7 Operation 10 8 Functional safety 11 Used Directives and standards 11 Maintenance 11 Certificate 11 9 System Structure 12 Assumptions 12 Safety Function and Safe State 12 10 Functional Safety Data 13 Functional Safety Data BT50 T 13 11 Useful life time 14 Installation an...

Page 4: ...knowledge of the following Basic knowledge of ABB Jokab Safety products Knowledge of safety devices and process locks Knowledge of machine safety Special notes Pay attention to the following special notes in the document Warning Danger of severe personal injury An instruction or procedure which if not carried out correctly may result in injury to the technician or other personnel Caution Danger of...

Page 5: ...se that contactors or valves have deactivated before a new start can be permitted The test input can also be used for starting and the start button can be supervised See the connection examples in section 4 Safety regulations Warning Carefully read through this entire manual before using the device The devices shall be installed by a trained electrician following the Safety regulations standards a...

Page 6: ...voltage is connected to A1 A2 and X4 relays K1 and K2 are activated K1 and K2 drop if the supply voltage is disconnected Both relays K1 and K2 must drop for them to be activated again The test circuit A1 X4 must be closed for the outputs to be activated Thereafter A1 X4 can either be open or constantly closed The supervising circuit ensures that both K1 and K2 have dropped before they can be react...

Page 7: ... stop with reset when emergency button returns Emergency stop with dual connection direct to the supply voltage Monitoring to ensure that the On button is not stuck in pressed position A short circuit over the closing contact is not monitored Controlled monitoring of external contactor relay valve or Jokab Safety s expansion relays BT50 T as emergency stop and control relay with Start and Stop fun...

Page 8: ...2TLC172316M0201 rev E 8 www abb com jokabsafety 2015 09 30 5 Connection examples NB More connection examples can be found at www abb com jokabsafety or in the Safety Handbook ...

Page 9: ... The connection block is detachable without cables having to be disconnected Maximum screw torque 1 Nm Maximum connection area Solid 1 x 4 mm2 2 x 1 5 mm2 Stranded ferruled 1 x 2 5 mm2 2 x 1 5 mm2 Air and creep distance 4 kV 2 IEC 60664 1 Caution The main voltage for the system should be switched off before installation modifications or other adjustments that can risk the safety of the system NB T...

Page 10: ...1 rev E 10 www abb com jokabsafety 2015 09 30 7 Operation LED indication On LED is on when Supply voltage is OK Out LED is on when the safety outputs are activated X4 Led is on when auto reset condition is fulfilled ...

Page 11: ...T open when the power supply is disconnected at A1 A2 or both A1 and A2 Read the Safety Level information at chapter 3 The safety outputs of the BT50T can be time delayed In case of a problem with the unit check the LED status and inspect the appropriate part of the system Take measurements where necessary If the problem is not solved then contact the nearest ABB Jokab Safety Service Office or res...

Page 12: ...luded The safety related device is considered to be of type A components with a Hardware Fault Tolerance of 1 It is assumed that the device will be used under average industrial ambient conditions according to the technical data Safety Function and Safe State Safety Function When the input of the BT50 is de energized the output is de energized When the input of the BT50T is de energized the output...

Page 13: ... Demand Mode HFT 1 SIL 3 Safety function Output relays in OFF state when input is de energized λs 7562 2 FIT λdd 0 FIT λdu λd 576 FIT λtot 8138 2 FIT SFF 93 MTTFd 9337 years PFH 1 22 x 10 8 1 h PFDavg for Tproof 1 year 5 25 x 10 5 PFDavg for Tproof 2 years 1 09 x 10 4 Response time at deactivation 20 ms Life Time 20 years The function of the devices has to be checked within the proof test interval...

Page 14: ...on demand in order to transfer the Equipment Under Control EUC into a specified safe state and where the frequency of demands is no greater than one per year Procedure 1 Verify that the operational voltage is according to the product specifications 2 The safe state at this safety relay is when all the safety outputs are open With no power connected to the safety outputs it must be verified a high ...

Page 15: ...24 VDC 1 A Max total switching capacity 12 A distributed on all contacts Min load 10 mA 10 V if load on contact has not exceeded 100 mA Contact material AgSnO2 Au flash General Fuses output external 5 A gL gG Conditional short circuit current 1 kA 6 A gG Max input wire res at nom voltage 200 Ω Response time When deactivating input output 20 ms or delayed BT50T max 1500ms Degree of protection Enclo...

Page 16: ...kabsafety 2015 09 30 Model overview Type Article number Description BT50 2TLA010033R0000 BT50 BT50T 2TLA010033R1000 BT50T Dimensions NB All measurements in millimetres Connector blocks are detachable without cables having to be disconnected ...

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