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Hitachi SJ Series Safety Function Manual

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See also: User Manual, Safety Function Manual
Safety function Guide
HITACHI INVERTER
SJ series
Read through this "Safety function Guide", and keep it handy
for future reference
P1
For inquiry, please notify the number on the right
Introduction
Index
1 Safety precaution/Risk
2 Introduction to
the Safety function Guide
3 Safety related information
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
Appendix EC Declaration of Conformity
and consideration
NT2512X
Table of Contents
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Summary of Contents for Hitachi SJ Series

  • Page 1 Read through this “Safety function Guide”, and keep it handy for future reference Introduction Safety function Guide Index HITACHI INVERTER 1 Safety precaution/Risk SJ series 2 Introduction to the Safety function Guide 3 Safety related information and consideration 4 Safety Function 5 Planning Installation...
  • Page 2 (Memo)

  • Page 3: Introduction

    S.1 Introduction S.2 Precaution ■For the proper use of the inverter Thank you for purchasing Hitachi SJ Series P1 Inverter (here after SJ-P1). Please read through the User’s Guide of the SJ-P1 inverter This Safety function Guide describes the information about...

  • Page 4: Relevant Document

    Introduction Introduction S.3 Relevant document Document name Document code SJ-P1 User’s Guide NT251X SJ-P1 Basic Guide NT2511X SJ-P1 Safety function Guide (this documentation) NT2512X SJ-P1 Safety function Guide Supplement NTZ2512X *1) Version information is written at the end of the document code.
  • Page 5 Introduction Introduction Description Term Abbreviation Power supply necessary for *) Trademark Main power supply operation of inverter Some proper nouns such as product name or function MFG No. Manufacturing No. names may be registered as trademark or registered Mean time to dangerous failure trademark.
  • Page 6 Introduction Introduction Term Description Abbreviation Safety integrity level (1-3) (IEC61508) SILCL SIL claim limit (EN/IEC62061) Signal is recognized as ON when current flows out from signal Sink logic terminal. That differ depending on systems. A type of logic that signal is recognized as ON when current Source logic flows into the terminal.

  • Page 7: Table Of Contents

    Index Index S.5 Index ● ● Introduction ............0-1 Relevant document…… ........….0-2 ● ● Precaution ............... 0-1 List of Abbreviation and Technical Terms ....0-2 Chapter 1 Safety precaution/Risk 1.1 Contents in this chapter .......... 1-1 1.2 Safety Precaution ............ 1-1 Chapter 2 Introduction to the Safety function Guide 2.1 Contents in this chapter ..........
  • Page 8 Index Index Chapter 10 Maintenance 10.1 Contents in this chapter ........10-1 10.3 Daily and periodical inspection ......10-1 10.2 Planning of maintenance ........10-1 10.4 Periodical functional test........10-1 Chapter 11 Specification and Technical data 11.1 Contents in this chapter ........11-1 11.5 Response time .............

  • Page 9: Chapter 1 Safety Precaution/Risk

    Chapter 1 Safety Precaution/Risk Chapter 1 Safety Precaution/Risk 1.1 Contents in this chapter This chapter describes precautions for using the STO 1.2.3 Installation function of the SJ-P1 inverter. Before installation, wiring, operation, maintenance, Installation must be performed by the competent inspection and running, please make sure to read through electricians who have sufficient knowledge of the the Safety function Guide, the User’s Guide of the SJ-P1...
  • Page 10 Chapter 1 Safety Precaution/Risk 1.2.6 Others Never modify the inverter. Any modification immediately 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.

  • Page 11: Chapter 2 Introduction To The Safety Function Guide

    Introduction to the Safety function Guide Chapter 2 Chapter 2 Introduction to the Safety function Guide 2.1 Contents in this chapter 2.5 Recommended readings This chapter describes the applicable product, required The Safety function Guide is based on the following knowledge, target audience, purpose and general standards.
  • Page 12 Introduction to the Safety function Guide Chapter 2 (Memo)

  • Page 13: Chapter 3 Safety-Related Information And Consideration

    Safety-Related information and consideration Chapter 3 Chapter 3 Safety-related information and consideration 3.1 Contents in this chapter This chapter describes safety-related information and 3.4.2 Response time considerations. 3.2 Requirement of The response time is defined as a time from input of Safety request to actual activation of safety function.

  • Page 14: Sto State Monitor Output (Edm)

    Safety-Related information and consideration Chapter 3 3.4.5 3.4.7 Holding function of STO state Periodical functional test (Not supported as Safety related function) A periodical functional test to check proper functioning of the STO function must be performed at least once a year in order to maintain the intended SIL / PL.
  • Page 15 Chapter 4 Safety function Chapter 4 Safety function 4.1 Contents in this chapter 4.4 How STO function works This chapter describes the information about the safety function of the SJ-P1. 4.4.1 STO input terminal 4.2 Safety function (STO) Signal inputs for the STO function are redundant inputs of ST1 and ST2 The STO function of the SJ-P1 is a function equivalent to When voltage is applied to each input, currents flow on...
  • Page 16 Chapter 4 Safety function 4.4.2 How to input STO signal In case of using the internal 24V power supply, the input The voltage source for STO signal input is selectable from logic “Sink” or “Source” of the STO inputs can be configured the internal DC24V power supply (P24S terminal) or an by changing the connecting position of the jumper-wire.

  • Page 17: Error

    Chapter 4 Safety function 4.4.3 Holding function of STO state (Not supported as Safety related function) The SJ-P1 does not support a safety related function to hold STO state even after the STO inputs to SJ-P1 have been Not supported as Safety related function below. released.

  • Page 18: Timing Chart

    Chapter 4 Safety function 4.5 STO state monitor output (EDM) 4.6 Timing chart The STO state monitor output (EDM signal) can be used to The timing chart below shows the state of motor output in monitor the STO input state and failure state detection in response to STO inputs (ST1/ST2).

  • Page 19: State Display Function

    Chapter 4 Safety function 4.7 State Display Function STO inputs status can be displayed on the operator keypad by configuring the parameters listed in the table below. Contents of display, monitor and the interruption of output It can be also confirmed on the monitor parameter [dA-45]. by a trip are non-safety function (not certified as safety- related function).
  • Page 20 Chapter 4 Safety function ■STO monitor [dA-45] and operator keypad status display STO monitor Operator [dA-45] keypad status Condition Description Display display Both ST1 and ST2 are ON (Allow operation) and the drive is enabled to 00:Non (no display) <1> operate.

  • Page 21: Activation Method Of Sto Function

    Chapter 4 Safety function ■State transition diagram <1> 00: Non <2> <3> <1> [E090] 05: P-1C 06: P-2C 01: P-1A 02: P-2A <9> <7> <4> <8> <4> <4> 07: STO <10> <4> <5> <6> <6> <5> [E091] Not recover 03: P-1b 04: P-2b [E092] [E093]...
  • Page 22 Chapter 4 Safety function (Memo)

  • Page 23: Installation Environment

    Chapter 5 Planning Installation Chapter 5 Planning installation 5.1 Contents in this chapter 5.4 Electrical installation This chapter describes the items which must be taken into 5.4.1 General Requirement consideration for planning installation SJ-P1. Please follow the instruction provided in the User’s Guide of SJ-P1 for electrical installation.
  • Page 24 Chapter 5 Planning Installation 2. A fail-safe cable routing (The requirement of ISO13849-2 table D.4 to be met. One of the following measures needs to be adopted)  Permanently connected (fixed) and protected against external damage, e.g. by cable ducting or ...

  • Page 25: Wiring Example

    Chapter 6 Installation Chapter 6 Installation 6.1 Contents in this chapter 6.3 Wiring example This chapter describes the items to be taken into The figure below is a wiring example under the following consideration for installation. conditions.  Use of an external power supply for STO inputs 6.2 Installation ...

  • Page 26: External Device

    Chapter 6 Installation Wiring Example Reset Switch +24V T32 T33 STO input +24V P24S G9SX-GS226-T15-RC STO output Safety Switch (E.g. Emergency switch) SJ-P1 Safety unit ※Compatible standard (IEC61508, ISO13849) Physical separation or appropriate cable protection (e.g. double-shielded cable) 6.4 External device All power supply connected to I/O terminal block must The configuration of all components used in any circuit comply with SELV or PELV.

  • Page 27: Enabling Sto Function

    Chapter 7 Commissioning Chapter 7 Commissioning 7.3 Enabling STO function 7.1 Contents in this chapter The STO function is automatically activated when SJ-P1 is This chapter describes the items to be considered for energized and established according to this Safety function commissioning.
  • Page 28 Chapter 7 Commissioning (Memo)

  • Page 29: Requirement For Validator

    Verification and Validation Chapter 8 Chapter 8 Verification and Validation 8.1 Contents in this chapter 8.4 Requirement for Validator This chapter describes information related to verification Validation of the system must be conducted by only and validation of system. competent electricians who have essential knowledge of the functional safety as well as the safety function realized in the system.
  • Page 30 Verification and Validation Chapter 8 (Memo)

  • Page 31: Error And Troubleshooting

    Chapter 9 Error and Troubleshooting Chapter 9 Error and Troubleshooting 9.1 Contents in this chapter 9.2.2 [E091] STO internal error This chapter describes the error related to the STO function The error [E091] is generated when a fault in the internal and the troubleshooting safety paths has been detected.

  • Page 32: Warning Display

    9.4 When internal fault found In case that a warning (one of [P-1A] / [P-2A] / [P-1b] / [P- Please contact the nearest Hitachi distributor when it has 2b] / [P-1C] / [P-2C]) is displayed on the operator keypad, been found a malfunction of the STO function.

  • Page 33: Maintenance

    In that case, stop using the inverter immediately and 1 and SIL 3 of IEC61800-5-2. contact Hitachi distributor. In the functional test, it is to be verified that output to the motor is appropriately shut off and EDM signal is output as...
  • Page 34 Chapter 10 Maintenance Signal Matrix for functional test State State 1 State 2 State 3 State 4 State 5 Main power supply ON(Allow ON(Allow ‐ OFF(STO) OFF(STO) operation) operation) ON(Allow ON(Allow ‐ OFF(STO) OFF(STO) operation) operation) Shut-off Shut-off Shut-off Shut-off Outout to motor Permitted (Disabled)
  • Page 35 Chapter 11 Specification・Technical data Chapter 11 Specification and Technical data 11.1 Contents in this chapter 11.2 Electrical specification This chapter describes the specification related to the STO Refer to the table below for the specifications of the function and its technical data. terminals related to the STO function.
  • Page 36 Chapter 11 Specification・Technical data 11.3 Recommended ferrule Refer to the User’s Guide of SJ-P1 for the detail I/O terminal block is a spring-clamp type. information of wiring on the I/O terminal block. For safe wiring and reliability, it is recommended for the signal line to use the ferrules of following specification.
  • Page 37 Conformity (Copy) ・Purpose of this chapter is to provide necessary information related to EC declaration of conformity ・The original version is available separately. Please contact Hitachi distributor for the original. EC-DECLARATION OF CONFORMITY We, Hitachi Industrial Equipment Systems Co., Ltd.
  • Page 38 6901 Northpark Blvd., Suite A, Charlotte, NC 28216 Phone: +1(704) 494-3008 Fax: +1(704) 599-4108 Hitachi Industrial Equipment Systems (CHINA) Co., Ltd. (Shanghai Office) Industrial Equipment Systems Division Room No.2201, Rui jin Building, No.205 Maoming Road (S), Shanghai 200020, CHINA Phone: +86 (21) 5489-2378...

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Sj p1 series

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