Danfoss MCB140 Original Operating Instructions Download Page 1

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Safety technology: MCB14x Document No.:

MG34Y104

Rev.: 06 23 October 2012 Page 1 of 25

Original Operating Instructions

MCB140 / 141

Monitoring module to protect individuals in the hazardous area

of machinery and equipment

Rev. 06

Summary of Contents for MCB140

Page 1: ...hnology MCB14x Document No MG34Y104 Rev 06 23 October 2012 Page 1 of 25 Original Operating Instructions MCB140 141 Monitoring module to protect individuals in the hazardous area of machinery and equipment Rev 06 ...

Page 2: ... 02 16 July 2012 Text amendments and supplements for MCB141 03 6 September 2012 Information for MCB141 updated based on MCB140 V05 manual 04 10 September 2012 Chapter 1 2 Intended Use revised 04a 14 September 2012 Advance issue for supplied pre production series 05 23 October 2012 Chapter 5 updated 06 23 October 2012 Type test certification for MCB141 entered ...

Page 3: ...Basic operation of device 9 4 1 Operation of inputs 9 4 2 Safety circuits 10 4 3 Safety outputs 11 4 4 Pr_1 2 Sensor inputs for speed detection 11 5 Special aspects of single channel use 12 5 1 Special aspects of single channel speed detection 12 6 Logical functionality of the MCB14x 12 6 1 Example application 14 6 2 Overview and name of connection terminals 15 6 3 MCB14x operational controls 16 6...

Page 4: ...ing emergency stop devices Monitoring the drive speed Monitoring existing protective interlocks Monitoring the functionality of existing drive energy isolators Based on the rated input information various control signals to operate a drive inverter are generated in such a way as to fulfil the following safety operations Status based drive enable STO according to EN IEC 61800 5 2 Tripping of ramp s...

Page 5: ...ork shall void any warranty in place This may cause hazards that lead to serious injury or even death Mount the device in a control cabinet that with at least an IP54 enclosure rating Dust and moisture can also interfere with the various operations Mounting in a control cabinet is mandatory Make sure there is a sufficient de saturation circuit on all output contacts for capacitive and inductive lo...

Page 6: ...r external faults leads to a loss of operational readiness the tripping of the safety operation and readout of a corresponding fault code on the 7 segment display The system is designed with two redundant channels with self diagnosis 2 2 Mounting and housing designs All inputs and outputs are designed in a manner to protect against wire breaks crossovers and short circuits and can be accessed via ...

Page 7: ...e not suitable for the configuration then the system switches to fault mode Parameter input All safety outputs are destaged during parameter input The user is free to amend the configuration The amended configuration is enabled as soon as it is saved and it then automatically returns to normal mode Fault mode The safety outputs are destaged This mode can only be exited by resetting after debugging...

Page 8: ... must be used Pr_1 Pr_2 SLS Door FBC and the DIAG diagnostic output can be optionally used 3 Use when shipped 3 1 Device operation If the DEFAULT parameters are retained then all inputs outputs and all safety operations are enabled The following features must be taken into account All input signals comply with the fail safe principle NC contact type All inputs must be used in dual channel format A...

Page 9: ...tend these safety operations Controlled slowdown of drive by enabling frequency converter ramp function Alternation of maximum speed to be monitored Detection of open protective devices The way the outputs react to system and application faults is described in the Chapter entitled Fault monitoring 4 1 Operation of inputs With the exception of FBC all inputs are read in dual channel format Contact ...

Page 10: ...erally destaged if the protective device is open The Door operation can only be used if speed detection is enabled P201 0 Switch position of Door input channels P 103 Disabling enabling of Door input P 105 Number of speed sensors P 201 Table 6 Parameters for setting up the Door_1 2 inputs FBC input Monitoring of drive energy isolator The state of the energy isolator contactor controlled by the ExC...

Page 11: ...ng time has elapsed or the drive was detected by the sensors as being at a standstill ExC The ExC output is intended to directly control the energy isolator contactor Its switching behaviour is the same as the STO_O output described above Use of energy isolator feedback contact P 201 Table 9 Parameters for setting up the ExC output SSO The SSO output controls the enabling of the protective interlo...

Page 12: ...in the application manual 5 1 3 Use of a 2 wire initiator with wire break control function Parameters to be set P 201 1 2dr P 202 on 2 wire initiator The level at Pr_2 terminal is outside of the tolerance window in the event of a wire break or short circuit after 0 V 24 V The plausibility of the encoder signal cannot be checked The initiator used must have a minimum MTTFd value of 400 years Cat 1 ...

Page 13: ...minals 12 13 on MCB140 terminals 13 18 on MCB141 are low i e in the event of an open separating protective device for example then STO is enabled This behaviour changes if SLS is also enabled STO is then disabled and the machine can then be operated up to the SLS velocity This operation allows the machine to move at a safely reduced velocity in the event of an open separating protective device for...

Page 14: ... in the event of an open protective device Depending on the parameterisation of the frequency converter used a reset is now required on the frequency converter in FC302 for example if STO is set to Alarm 6 If SLS is enabled then it can now be moved in the event of an open separating protective device e g by using the Jog operation If there is movement at velocities faster than the values entered f...

Page 15: ... Contactor auxiliary contact of drive energy isolator Y32 16 5 Table 13 Assignment of safety inputs Safety related outputs Operation Meaning MCB140 terminal MCB141 terminal Ramp Ramp signal for controlled drive shutdown Y32 17 6 STO_O Safe Torque Off STO Y32 18 7 ExC Control of drive energy isolator Y32 5 8 SSO Enabling of protective device Y32 6 9 Table 14 Assignment of safety outputs Non safety ...

Page 16: ...2 Pout_1 24V GND ExC SSO Diag SS1_1 SS1_2 SLS_1 SLS_2 Door_1 Door_2 Pr_1 Pr_2 FBC Ramp STO_O Y32 Figure 5 MCB140 connection terminals Connection assignment on MCB141 enclosure All inputs and outputs are accessible via appropriately numbered spring cage terminals Figure 6 MCB141 connection terminals 6 3 MCB14x operational controls 3 keys Minus Plus Enter are provided to set up the module and to res...

Page 17: ..._1 SKR Door Door_2 Pr_1 Pr_2 Ramp STO_O ExC SSO Figure 9 Assignment of status readouts The way in which input states are shown depends on the respective input configuration It is not the terminal level that is shown but rather it is generally the internal logic state instead Parameterised contact position Terminal state Terminal operation Input and segment state NC 24 V DC Not enabled On Open Enab...

Page 18: ...trol Readout of fault states If a fault occurs then the Ramp STO_O ExC and SSO safety outputs are destaged and the corresponding fault code is shown in the 7 segment display Figure 10 Principal illustration of fault readout MCB14x LED speed indicators 3 LEDs allow the speed status to be controlled based on the limit values to be monitored If the actual speed exceeds one or more limit values then t...

Page 19: ...xceeded 0 2 SMS speed exceeded 0 3 Protective device open despite interlock in place 1 4 6 Crossover between input channels 1 7 Speed difference between channel 1 and channel 2 greater than 20 1 8 Standstill at Pr_x and 4x zero speed at Pr_y 1 9 Pr_1 and Pr_2 disabled at standstill 2 10 11 Ramp output shorted or defective 2 12 13 STO_O output shorted or defective 2 14 15 ExC shorted or defective 2...

Page 20: ... P 2 Measuring inputs Speed detection P 3 Times and speeds Standstill set up and maximum speed Store Memory options storage reset to default Table 21 Parameter groups 7 2 Enabling of configuration menu Press the ENTER key for 3s to enable Level 1 Parameter group selection The current parameter checksums are read out for 2s then parameter group 1 is read out c r c P 1 _ _ Parameterisation Level 1 P...

Page 21: ...d once again c r c Notes on operation and configuration menu readout Restoring the settings as shipped or resetting any unwarranted changes is only possible using the overall configuration feature Any changes to the configuration must be explicitly saved before exiting the menu If no keys are pressed for 1 min or more when in the enabled configuration menu then the menu is automatically terminated...

Page 22: ...luated YES s statically evaluated Not not used P 107 Test pulses on outputs YES YES Superimposing of L active pulses to test the ability to derate the safety outputs No P 108 Use of DIAG function output FAout FAout Binary fault output SSout Output enabled at standstill SIout Analog speed output 4 20 mA SUout Analog speed output 2 10 V P 109 SLS used YES YES Use of operating mode selection switch N...

Page 23: ...ble 25 Parameter group STORE Overview of input terminal configurations The following references and signal types are defined Mnemonic Schematic diagram Notes Test cycles of Pout_1 2 outputs must be used Signal antivalence as criterion for short circuit or crossover Short circuit and crossover test carried out by signal reference outputs Short circuit and crossover test carried out by signal refere...

Page 24: ...re 2 5 mm MCB140 Maximum wire cross section flexible wire 2 5 mm MCB140 Cable end sleeves must be used General data Ambient temperature 20 to 55 C DIN IEC 60068 2 3 Storage temperature 40 to 85 C DIN IEC 60068 2 3 Vibration resistance at all 3 levels Sine wave 10 55 Hz 0 35 mm 10 cycles 1 octave min Service cycle 100 Enclosure rating Only for mounting in control cabinet that is at least an IP 54 e...

Page 25: ... velocity to be monitored SSO Safe output to enable the protective interlock SS1 Safe Stop 1 time controlled Safe Stop 1 time ramp monitored STO Safe Torque Off Safe Torque Off ZSP Zero Speed Residual velocity defined as being at a standstill Appendix 2 Content of serial number barcodes Setup MCB140 130B5001xxxxzz wwy MCB141 130B6447xxxxyy wwy xxxx Consecutive serial number zz Revision information...

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