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Failure modes

Appendix B

Instruction book, IQAN-MC3

Off

Failure mode

Detected

Comment

DOUT open

•

DRET open

•

DOUT short circuit to DRET

No influence on function in this state.

DOUT short circuit to +BAT

Reverse feed *.
No influence on function in this state.

DOUT short circuit to -BAT

•

Detected, or fuse blows.

DRET short circuit to +BAT

Reverse feed *.
No influence on function in this state.

DRET short circuit to -BAT

•

Current through load, < 100 ms

DOUT short-circuit to 2

DOUT (active/

passive)

No influence on function in this state.

DOUT short-circuit to 2

COUT (active)

•

DOUT short-circuit to 2

COUT

(passive)

No influence on function in this state.

DOUT short circuit to 2

CRET (active)

No influence on DOUT (error detected

on 2

COUT).

DOUT short circuit to 2

DRET (active)

•

Detected, or fuse blows.

DOUT short circuit to 2

CRET/DRET

(passive)

No influence on function in this state.

DRET short circuit to 2

DRET (active)

•

DRET short circuit to 2

CRET/DRET

(passive)

No influence on function in this state.

Содержание iqan-mc3

Страница 1: ...IQAN MC3 Instruction book Publ no HY33 8001 IB UK Edition 2016 05 16...

Страница 2: ...nostics 14 Markings Approvals 15 5 Mounting 20 Mounting the module 20 6 Installation 21 Connectors C1 C4 21 Connector C1 pin assignments 21 Connector C2 pin assignments 22 Connector C3 pin assignments...

Страница 3: ...44 9 Diagnostics and troubleshooting 45 Diagnostic interfaces 45 CAN diagnostics connection 45 Bypass application 45 Appendix A 46 IQAN MC3 Technical Overview 46 Appendix B 51 Error codes messages an...

Страница 4: ...e application program being developed for the control system Not all document sections that contain information about safety are marked with a warning symbol there would be warnings everywhere Failure...

Страница 5: ...of this product The main documentation contains information that is not found elsewhere The additional documentation contains product information in a compact format for details on the information fo...

Страница 6: ...attery before disconnecting the positive cable The ground wire of the welder shall be positioned as close as possible to the place of the welding The cables on the welding unit shall never be placed n...

Страница 7: ...ed out by trained personnel who are well acquainted with the control system the machine and its safety regulations Before you start Read section Start up on page 42 Additional information for service...

Страница 8: ...dalone controller as a single bus master or together with other IQAN master modules The MC3 has local I O for input output use and has 4 CAN busses that support ICP IQAN CAN Protocol SAE J1939 and Gen...

Страница 9: ...ids Two of these are also intended to function as alarm outputs for e g LED lamps see below CAN related functions The IQAN MC3 uses a CAN bus CAN Controller Area Network to communicate with IQAN expan...

Страница 10: ...he stop ramps on on the outputs will have no effect the outputs will shut off immediately Therefore the application must be designed so that a sudden stop on the outputs does not in itself lead to a h...

Страница 11: ...ng the IQAN MC3 within the specified range and may not be used for implementation of safety functions Measurement of module supply voltage Measurement of module temperature The following built in func...

Страница 12: ...subsystem Input subsystem The input subsystem consists of the sensors or operator controls that initiate the safety function To get sufficient diagnostics on the inputs on the MC3 the requirements of...

Страница 13: ...wever it is recommended that a standard for the functional safety of machinery is applied either EN ISO 13849 1 or EN IEC 62061 Use IQANdesign to develop the application software It is not necessary f...

Страница 14: ...ignal without degradation of the safety integrity but DIN FIN and DFIN must always be used in conjunction with a separate monitoring signal For details see section I O functionality on page 28 WARNING...

Страница 15: ...ommunication The IQAN MC3 has built in support for safe connection to other IQAN MC3 units For more information see the IQANdesign user manual EXAMPLE An overload safety function that uses two separat...

Страница 16: ...s required by the protocol need to be implemented in the application Outputs Each individual power driver of the IQAN MC3 uses a combination of high side and low side switches to control the load this...

Страница 17: ...ernal diagnostics The concept of the IQAN MC3 is that the primary CPU is monitored by a second independent CPU and they in turn are monitored by a completely separate safety ASIC The safety ASIC provi...

Страница 18: ...15 Markings Approvals 4 Safety Instruction book IQAN MC3 Markings Approvals...

Страница 19: ...16 Markings Approvals 4 Safety Instruction book IQAN MC3...

Страница 20: ...17 Markings Approvals 4 Safety Instruction book IQAN MC3...

Страница 21: ...18 Markings Approvals 4 Safety Instruction book IQAN MC3...

Страница 22: ...19 Markings Approvals 4 Safety Instruction book IQAN MC3...

Страница 23: ...impact is avoided e g impact from falling objects or the module being used as a step Locate the module so that air can circulat to eliminate excess heat Ensure that no external heat e g from the engin...

Страница 24: ...tate CAN B L 5 CAN low voltage bus line will be LOW in dominant state CAN B H 6 CAN high voltage bus line will be HIGH in dominant state ADDR L 7 IdTag interface Low side to address tag Return signal...

Страница 25: ...for external sensors Return 0V VREF A 2 Voltage reference for external sensors Sourcing 5V VIN A 3 I Voltage signal input VIN B 4 I Voltage signal input VIN C 5 I Voltage signal input VIN D 6 I Voltag...

Страница 26: ...e for external sensors Sourcing 5V DIN A 3 I DIN FIN DFIN PCN DPCN signal input DIN B 4 I DIN FIN DFIN PCN DPCN signal input DIN C 5 I DIN FIN DFIN PCN DPCN signal input DIN D 6 I DIN FIN DFIN PCN DPC...

Страница 27: ...COUT power driver low side COUT B 4 O COUT power driver high side CRET B 5 O COUT power driver low side CRET B 6 O COUT power driver low side COUT C 7 O COUT power driver high side CRET C 8 O COUT po...

Страница 28: ...actuators directly e g via a dump valve See below Emergency stop Since the IQAN MC3 is capable of implementing safety functions it may in some applications be tempting for the designer to implement th...

Страница 29: ...d to battery voltage at start up and will prevent the application from starting If the same short circuit occurs while the module is already powered it may also be detected by the module but shutdown...

Страница 30: ...inated internally on all of its CAN buses When an IQANdesign application is loaded it can set individual buses to be non terminated To give an IQAN MC3 a unique address you may use an addressing ID ta...

Страница 31: ...teristics see Appendix A In order to detect errors such as open circuit in the wiring the active signal range from the sensor must be limited e g 0 5 4 5 Vdc Active signal range The positive terminal...

Страница 32: ...ns where an incorrect input signal can lead to an immediate increase of the risk Limits on signal range By limiting the normal operating range of voltage input signals several faults can be detected F...

Страница 33: ...CE The VIN are designed for permanent connection to BAT but not for BAT transients Therefore VIN connection to BAT should be avoided MC3 SMR 008 A Tolerances on VIN When voltage inputs are used in saf...

Страница 34: ...s are connected to VREF and VIN DIN respectively for 5V signal NOTICE Maximum load for VREF position see Appendix A on page 46 EXAMPLE Connect the positive and negative terminals of the switch to VREF...

Страница 35: ...the inputs are used in safety functions where an incorrect input signal can lead to an immediate increase of the risk If the additional signal is read by another digital input it is recommended that...

Страница 36: ...e following addional information applies when the inputs are used in safety functions where an incorrect input signal can lead to an immediate increase of the risk Directional frequency inputs Connect...

Страница 37: ...safety functions The following addional information applies when the inputs are used in safety functions where an incorrect input signal can lead to an immediate increase of the risk EXAMPLE Connect t...

Страница 38: ...nector Having multiple VREF supplies allows you to distribute power to the sensors in the vehicle according to installation zones or some other configuration VREF positions NOTICE It is strongly recom...

Страница 39: ...op output signal The units have an adjustable frequency which can be changed using IQAN software The table below shows the MC3 frequency possibilities Any frequency may be entered in your application...

Страница 40: ...ctly with the modulation ratio instead of closed loop current control In PWM mode the current is not measured and diagnostics are limited NOTICE The PWM outputs on an IQAN MC3 can not be used to drive...

Страница 41: ...deviation refer to under over current threshold see Appendix A on page 46 An undetected error that falls within these limits can lead to an unintentional change of speed of the output and must be saf...

Страница 42: ...rs The COUT current range and slopes must be limited in the application file Due to the risks involved with modifying these adjustable values it is recommended that these limits are kept narrow Altern...

Страница 43: ...instead DOUT output diagnostics The DOUT is capable of detecting internal faults as well as wiring faults The fault will be identified as one of the following status values in IQANdesign Over load e g...

Страница 44: ...C3 can not guarantee that the alarm is working but when the DOUT is off it is capable of detecting if the load is connected This can be used by the application to activate another alarm or to shut dow...

Страница 45: ...g the control system Start the control system as follows Prior to start all modules and cables are to be fitted correctly Check fuses i e make sure that the supply voltage to the modules is equipped w...

Страница 46: ...Error codes are blinked if the master is not in contact with one or more of the modules Make sure the emergency stop is functioning properly Start the system Start the system as follows Start the eng...

Страница 47: ...rted Connect PC with IQAN software IQANdesign or IQANrun 6 ON Machine engine not started Check via IQAN software all modules that CAN connection is OK 7 ON Machine engine not started Check via IQAN so...

Страница 48: ...or an equivalent 120 ohm resistor may be used A flying lead cable may be connected to the IQAN MC3 to provide a connector interface The connection from IQAN MC3 to diagnostic CAN interface can then be...

Страница 49: ...IN 40050 Part 9 1993 IP6K9K IEC 60068 2 52 1996 Kb 72 h IEC 60068 2 30 2005 Db 55 C 95 RH 6 cycles IEC 60068 2 78 2001 Cab 40 C 93 RH 21 days IEC 60068 2 2 2007 Bb 85 C 72 hours IEC 60068 2 2 2007 Bb...

Страница 50: ...interval Lifetime Periodic proof test up to SIL2 SC2 Type B 2 x 10 8 99 0 100 ms TSC 75 ms 40 000 hours No Sensor supply VREF Number of VREF 2 Output voltage 5 V 150 mV 40 to 85 C Output voltage temp...

Страница 51: ...0 kHz 50 duty cycle Minimum pulse width 10 s for 5 V signal Step response 400 ms 10 to 90 step Logic levels low high hysteresis 1 V 4 V 0 3 V Input impedance 6 8 kohm in parallel with 10 nF Sample rat...

Страница 52: ...AT 14V and FDITH 200 Hz 5 ohm 10 mH 5 ohm 20 mH 10 ohm 30 mH 20 ohm 60 mH Maximum allowable load inductance 1 0 A load 1 5 A load 2 0 A load 500 mH 200 mH 50 mH Protection SCB SCG Diagnostics Operatio...

Страница 53: ...ble load inductance DOUT A to DOUT C 1 0 A load 2 0 A load 3 0 A load 500 mH 200 mH 50 mH Maximum allowable load inductance DOUT D to DOUT E 1 0 A load 1 5 A load 500 mH 200 mH Protection overload SCB...

Страница 54: ...or message or error code is activated LED indicator showing different MC3 modes Status Flash yellow Normal operation Application not loaded No application available Waiting for restart Error code Erro...

Страница 55: ...igital input Failure mode Detected Comment VIN open Detection only if valid signal range is limited VIN short circuit to BAT Detection only if valid signal range is limited VIN short circuit to signal...

Страница 56: ...l within low to high trigger level range Undefined FIN short circuit to signal low trigger level Frequency 0 FIN short circuit to BAT Frequency 0 Failure mode Detected Comment DFIN open Frequency 0 DF...

Страница 57: ...off COUT is on and CRET is off On When power driver is on COUT is on and CRET is controlling the commanded current Disabled After an error is detected both COUT and CRET are off No diagnostic is perf...

Страница 58: ...t circuit to BAT CRET short circuit to CRET No influence on function in this state COUT short circuit to 2nd COUT No influence on function in this state COUT short circuit to DOUT active COUT short ci...

Страница 59: ...RET COUT short circuit to 2nd COUT COUT short circuit to 2nd DOUT COUT short circuit to 2nd CRET DRET active No influence on COUT error detected on 2nd COUT DOUT COUT short circuit to 2nd CRET DRET pa...

Страница 60: ...power driver is off DOUT is on and DRET is off On When power driver is on DOUT is on and DRET is on Disabled After an error is detected both DOUT and DRET are off No diagnostic is performed until ther...

Страница 61: ...rcuit to BAT Current through load 100 ms DOUT short circuit to 2nd DOUT active passive No influence on function in this state DOUT short circuit to 2nd COUT active DOUT short circuit to 2nd COUT passi...

Страница 62: ...t Reverse feed is not detected DRET short circuit to BAT No influence on function in this state DOUT short circuit to 2nd DOUT No influence on function in this state DOUT short circuit to 2nd COUT No...

Страница 63: ...t circuit to BAT No influence on function in this state DOUT short circuit to 2nd DOUT No influence on function in this state DOUT short circuit to 2nd COUT No influence on function in this state DOUT...

Страница 64: ...the IQAN MC3 module Appendix C Instruction book IQAN MC3 Appendix C Dimensioning of the IQAN MC3 module 6 12 18 6 12 18 6 12 18 6 12 18 1 7 13 1 7 13 1 7 13 1 7 13 A B C D C4 C3 C2 C1 IQAN MC3 230 210...

Страница 65: ...time 9 MC3 SMR 005 A Only use an official release of IQANdesign 10 MC3 SMR 006 A CAN communication 13 MC3 SMR 007 A Limits on VIN signal range 29 MC3 SMR 008 A Tolerances on VIN 30 MC3 SMR 009 A Use...

Страница 66: ...nge without notice Parker Hannifin Electronic Controls Division SE 435 35 M lnlycke Sweden Tel 46 31 750 44 00 Fax 46 31 750 44 21 www parker com Parker Hannifin Electronic Controls Division 1651 N Ma...

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