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Introduction

Safety function Guide

HITACHI INVERTER

SJ series

Index

1 Safety precaution/Risk

2 Introduction to

the Safety function Guide

3 Safety related information

and consideration

4 Safety Function

5 Planning Installation

6 Installation

7 Commissioning

8 Verification and Validation

9 Error and Troubleshooting

10 Maintenance

11 Specification and Technical data

Read through this “Safety function Guide”, and keep it handy

for future reference

NT2512X

Appendix EC Declaration of Conformity

For inquiry, please notify the number on the right

Содержание SJ P1 Series

Страница 1: ...d consideration 4 Safety Function 5 Planning Installation 6 Installation 7 Commissioning 8 Verification and Validation 9 Error and Troubleshooting 10 Maintenance 11 Specification and Technical data Read through this Safety function Guide and keep it handy for future reference NT2512X Appendix EC Declaration of Conformity For inquiry please notify the number on the right ...

Страница 2: ... Memo ...

Страница 3: ...achi Industrial Equipment Systems Website http www hitachi ies co jp english index htm Please follow as below on the Website Products information Inverter Download of technical data You can request the data of those documents at any time from Hitachi industrial equipment systems Co Ltd or distributor of Hitachi S 2 Precaution For the proper use of the inverter Please read through the User s Guide ...

Страница 4: ...vents causing concurrent failure of two or more separate channels in a multiple channel system leading to failure of the safety function CE marking A mandatory conformity marking for products sold within the European Economic Area Charge lamp The lamp indicates power supply status of the main circuit of the inverter Even after powered down the internal voltage remains while the lamp lights Control...

Страница 5: ...n power supply Power supply necessary for operation of inverter MFG No Manufacturing No MTTFd Mean time to dangerous failure Expectation of the mean time to dangerous failure O Term Abbreviation Description Operator keypad The keypad mounted on the inverter used for configuration of parameters and monitoring of inverter s state P Term Abbreviation Description PELV Protected extra voltage EN iEC602...

Страница 6: ...d on the product on which specification of the inverter is written STO Safe torque off EN IEC61800 5 2 Stop category 0 A type of stop category defined in EN IEC60204 1 Stopping by immediate removal of power to the machine actuator U Term Abbreviation Description User s Guide The documentation that provides the detailed information to handle the inverter V Term Abbreviation Description Validation C...

Страница 7: ... of Abbreviation and Technical Terms 0 2 1 2 Safety Precaution 1 1 2 4 Purpose of the Safety function Guide 2 1 2 5 Recommended readings 2 1 3 3 Intentional misuse 3 1 3 4 Safety consideration 3 1 4 5 STO state monitor output EDM 4 4 4 6 Timing chart 4 4 4 7 State Display Function 4 5 4 8 Activation method of STO function 4 7 5 3 Installation environment 5 1 5 4 Electrical installation 5 1 6 3 Wir...

Страница 8: ...rrule 11 2 11 4 Safety function 11 2 EC Declaration of Conformity according to 2016 42 EC A 1 10 3 Daily and periodical inspection 10 1 10 4 Periodical functional test 10 1 11 5 Response time 11 2 11 6 Safety related parameters 11 2 11 7 Environmental specification 11 2 Chapter 10 Maintenance Chapter 11 Specification and Technical data Appendix EC Declaration of conformity ...

Страница 9: ...ty related function Please ensure to design a system so that the above mentioned behavior does not lead to any unsafe situation Please note that SJ P1 inverters are delivered with the STO function being disabled by a jumper wire to allow initial drive commissioning without the need of configuring the STO function first 1 2 3 Installation Installation must be performed by the competent electricians...

Страница 10: ...ately invalidates the conformities to the all applicable norms and the product guarantee The precaution items provided in User s Guide of the SJ P1 inverter are not always described in this chapter Please ensure to read through and understand the precaution in the User s Guide before using the SJ P1 ...

Страница 11: ...f the SJ P1 inverter 2 5 Recommended readings The Safety function Guide is based on the following standards It is recommended you to read and familiarize with these standards before implementing safety related systems EN IEC 61508 part 1 2 2010 Functional safety of electrical electronic programmable electronic safety related system Part 1 7 IEC 61800 5 2 2016 Adjustable speed electrical power driv...

Страница 12: ...2 2 Chapter 2 Introduction to the Safety function Guide Memo ...

Страница 13: ...on of safety function In case of STO function it is a time from input of STO signals until power to a motor is shut off The response time of the STO function of the SJ P1 is less than 10ms A safety related system must be designed in consideration of the above mentioned response time so that this delay time may not lead to any hazardous situation 3 4 3 Self Diagnosis of internal path The SJ P1 is e...

Страница 14: ...he functional test 3 4 8 Caution for using the STO function The STO function does not cut the power supply to the inverter and the peripheral circuits and does not provide any electrical isolation Before maintenance please ensure to separate the system machine from main power supply lines and from the other devices which may supply any voltage e g permanent magnetic motor device including capacito...

Страница 15: ... motor operation of the inverter output to the motor is permitted The product is delivered with the STO function being disabled with a jumper wire See the figure below so to allow initial commissioning of the inverter without configuring the STO function Please remove the jumper wire and perform wiring appropriately to use the STO function When voltage is removed from at least one of the STO input...

Страница 16: ...puts can be configured by changing the connecting position of the jumper wire See the wiring examples below By turning off the external switches contacts connected to the STO inputs see the figures of the wiring examples below the STO function is activated and the output to the motor is shut off Refer to the User s Guide of SJ P1 for the detailed information for wiring on I O terminal Internal pow...

Страница 17: ... simultaneously when the STO inputs are activated and then given when restart of the inverter is requested intentionally by an operator of the system 2 The system is designed so that the STO inputs to SJ P1 are released only when restart of the system is requested intentionally by an operator of the system Not supported as Safety related function below Using some parameters of SJ P1 it is possible...

Страница 18: ...rix Signal Item 1 2 3 4 5 ST1 1 OFF ON OFF ON 2 ST2 1 OFF OFF ON ON 2 Internal Failure detection No No No No Yes EDM ON OFF OFF OFF OFF Output to motor Shut off Shut off Shut off Permitted Shut off 1 State of contact connected to ST1 ST2 and corresponding state are as below 2 ON or OFF State of contact Corresponding State OFF STO ON Allow operation Refer to the User s Guide of the SJ P1 for the de...

Страница 19: ... ST1 and ST2 are STO ST1 ST2 OFF STO input switch allowable time bd 02 0 00 60 00 s Allowable time for inconsistent Input states of ST1 and ST2 i e ST1 on and ST2 off When 0 0 is set tolerance in timing is deactivated STO display selection within allowable input time bd 03 00 Warning message is displayed while ST1 and ST2 are discrepant for the period defined by bd 02 01 Warning message is NOT dis...

Страница 20: ...tus where both ST1 and ST2 are ON Allow operation 04 P 2b P 2b 6 1 Status P 2A or P 2C continues for the time defined by the parameter bd 02 2 Only ST1 becomes OFF STO and then ON Allow operation while ST2 remains ON Allow operation from the status where both ST1 and ST2 are ON Allow operation 05 P 1C P 1C 7 Only ST2 becomes ON Allow operation while ST1 remains OFF STO from the status where both S...

Страница 21: ...ctivated when SJ P1 is energized and established Any special key operation is not required The instructions in the User s Guide are to be followed and verification validation of a system is to be completed Otherwise the system cannot be regarded as safe 00 Non 03 P 1b 02 P 2A 04 P 2b E091 Not recover 01 P 1A 05 P 1C 06 P 2C 07 STO E090 E092 E093 1 2 3 4 5 6 7 8 5 6 4 1 4 4 9 10 11 12 ...

Страница 22: ...4 8 Chapter 4 Safety function Memo ...

Страница 23: ...an enclosure cabinet having a protection rating of IP54 or higher for protection against conductive dust and contamination 5 4 Electrical installation 5 4 1 General Requirement Please follow the instruction provided in the User s Guide of SJ P1 for electrical installation If there is any conflict or different description in the User s Guide of SJ P1 and this documentation the description in this d...

Страница 24: ...t lines the width of the test pulse width of OFF pulse must be 300us or shorter 5 4 3 STO status monitor EDM The EDM signal which indicates state of STO inputs and internal fault detection is a reference signal non safety signal This signal may not be used to activate another safety function The length of the cabling connected to ED and ED terminals must be twenty 20 meters or shorter 5 4 4 EMC Th...

Страница 25: ...n is activated The output of the inverter is shut off 2 Even after the safety switch has been released the STO inputs to ST1 ST2 on SJ P1 are held by the safety relay 3 After the operator of the system has confirmed the safety of human and the system and then presses the reset switch STO inputs to ST1 ST2 on SJ P1 are released and the inverter becomes available to restart motor operation 6 3 Wirin...

Страница 26: ...der EN ISO 13849 1 in order to be able to claim Cat 3 PLe for the combination of SJ P1 and external circuits The width of test pulse OFF pulse applied to ST1 ST2 terminals must be 300us or shorter Series Model Compatible norm PNOZsigma PNOZ s3 24VDC 2n o ISO13849 1 cat4 PL e IEC 61511 SIL 3 EN IEC62061 SIL CL 3 3TK28 3TK2823 2CB30 ISO13849 1 cat4 PL e IEC 61508 SIL 3 PSR SCP PSR SCP 24DC ESD 4X1 3...

Страница 27: ...d and validated 7 3 Enabling STO function The STO function is automatically activated when SJ P1 is energized and established according to this Safety function Guide and the User s Guide of the SJ P1 inverter 7 4 Disabling STO function To disable the STO function please connect the short wiring as shown in the figure below The same wiring condition as the factory default I O terminal STO input ter...

Страница 28: ...7 2 Chapter 7 Commissioning Memo ...

Страница 29: ...se that a periodical test is required by the applicable EU directive standard or local standard In the validation test it is to be confirmed that the STO function of SJ P1 works as intended with the same procedure as the functional test Note In order to maintain the intended functionality of the STO function it is necessary to conduct a functional test at least once in a year For the details of th...

Страница 30: ...8 2 Chapter 8 Verification and Validation Memo ...

Страница 31: ...isabled by setting bd 01 to other than 02 9 2 2 E091 STO internal error The error E091 is generated when a fault in the internal safety paths has been detected After generation of this error the internal safety paths are held on STO state until powered down What to do When this error is generated it is likely that a fault exists in the internal safety paths of the SJ P1 Please ensure to stop the o...

Страница 32: ...re given properly In case the inconsistent state of ST1 ST2 during state transition is inevitable because of system configuration please adjust the parameter bd 02 suitable for the system 9 4 When internal fault found Please contact the nearest Hitachi distributor when it has been found a malfunction of the STO function E091 is occurred STO or any warning is displayed on the operator keypad even i...

Страница 33: ... test it is to be verified that output to the motor is appropriately shut off and EDM signal is output as intended see the signal matrix in the following page The procedure of the functional test is as below 1 Check if the EDM terminal ED and ED is OFF open when power to SJ P1 is not supplied State 1 2 Power up SJ P1 and set both ST1 ST2 to ON Allow operation short and then start motor operation S...

Страница 34: ...te 5 Main power supply OFF ON ON ON ON ST1 OFF STO OFF STO ON Allow operation ON Allow operation ST2 OFF STO ON Allow operation OFF STO ON Allow operation Outout to motor Shut off Disabled Shut off Disabled Shut off Disabled Shut off Disabled Permitted EDM OFF Open ON Conducted OFF Open OFF Open OFF Open ...

Страница 35: ...5V OFF voltage Max DC5V Max voltage DC27V Current 5 8mA at DC27V Note 1 P24S 24V power supply terminal Dedicate for STO terminals 24V power supply dedicated for ST1 ST2 input Not used when the STO input voltage is supplied from an external power supply 24VDC Max 100mA CMS 24V power supply common terminal Dedicate for STO terminals Common for P24S STC Logic switching terminal Sink Source logic of i...

Страница 36: ...information of wiring on the I O terminal block 11 6 Safety related parameters Parameter Value Standard PL e EN ISO 13849 1 2015 CAT 4 MTTFd 100 years DCavg 99 8 SIL 3 IEC61508 2010 IEC61800 5 2 2016 EN62061 2012 HFT 1 SFF 99 9 PFH 1 17 10 9 PFD 1 03 10 4 11 7 Environmental specification Ambient temperature 10 50 C Storage temperature 20 65 C Humidity 20 90 RH No condensation Vibration 1 5 9m s2 0...

Страница 37: ...by followed by L followed by B or F maybe followed by C E or U maybe followed by F maybe followed by any letters or numbers Model P1 maybe followed by followed by 00041 00054 00083 00126 00175 00250 00310 00400 00470 00620 00770 00930 01160 01470 01760 02130 02520 or 03160 maybe followed by followed by H followed by B or F maybe followed by C E or U maybe followed by F maybe followed by any letter...

Страница 38: ...020 CHINA Phone 86 21 5489 2378 FAX 86 21 3356 5070 Hitachi Asia Ltd Industrial Components Equipment Division No 30 Pioneer Crescent 10 15 West Park Bizcentral Singapore 628560 Phone 65 6305 7400 Fax 65 6305 7401 Hitachi Australia pty Ltd Suite 801 Level 8 123 Epping Road North Ryde NSW 2113 Australia Phone 61 2 9888 4100 Fax 61 2 9888 4188 Hitachi Industrial Equipment Systems Co Ltd AKS Building ...

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