Mitsubishi Electric FR-A800 Stücklistenhandbuch

INVERTER

FR-A800/F800

Safety Stop Function Instruction Manual

CONTENTS

1. GENERAL DESCRIPTION ............................................ 2

2. INSTALLATION AND WIRING...................................... 3

3. EXAMPLE OF SAFETY SYSTEM CONFIGURATION .... 7

4. TEST AND CHECKING FAILURE ............................... 10

5. SAFETY PARAMETERS OF FR-A800/F800 ................ 11

Compliance with the EU Machinery Directive – Functional Safety

WARNING

Any misuse of safety function could lead to personal injury or death, property damage, or economic

loss. To ensure that the system complies fully with requirement of safety, make a system-level risk

assessment. Mitsubishi Electric Co. cannot assume responsibility for any system to comply with

safety directive.

CAUTION

The information of this manual is merely a guide for proper installation.

Mitsubishi Electric Co. cannot assume responsibility for the compliance or the noncompliance to

any code, national, local or otherwise for the proper installation of this equipment.

A hazard of personal injury and/or equipment damage exists if codes are ignored during installation.

WARNING

To avoid an electric shock hazard, verify that the voltage on the bus capacitors has discharged

before performing any work on the drive. Measure the DC bus voltage at the P(+) and N(-) terminals

or test points (refer to your drive’s User Manual for locations and discharging time). The voltage

must be zero.

WARNING

The safety stop function do not isolate electrically between drive and motor. To avoid an electric

shock hazard, disconnect/isolate power to the drive and verify to ensure that the voltage is zero

before performing any work on the motor (refer to your drive’s User Manual for discharging time).

2GENERAL DESCRIPTION

1GENERAL DESCRIPTION

Features

Mitsubishi FR-A800/F800 safety stop function prevents a drive from supplying rotational energy to motors. Dual

safety channels ‘S1’ and ‘S2’ cut off the gate-drive power for IGBT to turn off.

Fig.1 FR-A800/F800 safety stop function diagram

Standards

Mitsubishi FR-A800/F800 safety stop function meets the following directives and categories.

ISO13849-1:2008 Category 3/PLd

IEC62061:2005 / IEC61800-5-2:2007 / IEC61508 SIL2

IEC60204-1:2010 / IEC61800-5-2:2007 Stop category 0

WARNING

Disconnecting the power to the gate driver by the safety stop function does not isolate electrically

between drive and motor. To avoid an electric shock hazard, disconnect power to the drive and verify

that the main circuit capacitor voltage is zero (across P and N terminals) before performing any work

on the motor (refer to your drive’s User Manual for discharging time).

WARNING

The misuse of safety function leads to personal injury or death, property damage, or economic loss.

To ensure that the system complies fully with requirement of safety, make a system-level risk

assessment. Mitsubishi Electric Co. cannot assume responsibility for any system to comply with

safety directive.

R/L1

S/L2

T/L3

SOC

G G

ASIC

FR-A800/F800

SIC

Logic

RESET

Emergency

stop button

Safety relay module

/ Safety programmable controller

PC Gate

Driver

Gate

Driver

IGBTs

Fuse

CPU

+24V

24VDC

INSTALLATION AND WIRING 3

2INSTALLATION AND WIRING

Installation

Mitsubishi FR-A800/F800 safety stop function should be used under following condition and environment.

Table.1 The condition and environment for using safety stop function

 The ND and HD ratings can be selected only for the FR-A800.

 Temperature applicable for a short time, e.g. in transit.

 For the installation at an altitude above 1,000 m (3280.80 feet) up to 2,500 m (8202 feet), derate the rated current 3% per 500

m (1640.40 feet).

CAUTION

The following information is merely a guide for proper installation.

Mitsubishi Electric Co. cannot assume responsibility for the compliance or the noncompliance to

any code, national, local or otherwise for the proper installation of this equipment.

A hazard of personal injury and/or equipment damage exists if codes are ignored during installation.

CAUTION

Ensure the safety relay unit and the FR-A800/F800 unit is mounted closely in enclosure meeting IP54

and all interconnection wiring is short and protected against open and short circuit faults. Refer ISO/

IEC13849-2.

Item Condition

Surrounding air

temperature

LD, ND, HD  -10ºC to +50ºC (non-freezing)

SLD -10ºC to +40ºC (non-freezing)

Storage temperature -20ºC to +65ºC 

Ambient humidity

With circuit board coating (conforming to IEC60721-3-3 3C2/3S2): 95% RH or

less (non-condensing),

Without circuit board coating: 90% RH or less (non-condensing)

Vibration 5.9m/s2or less at 10 to 55Hz (directions of X, Y, Z axes)

Altitude Maximum 2500 above sea level 

Atmosphere Indoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)

Over voltage category III or less

Pollution degree II or less

Mounting Wall mounting / vertical orientation

4INSTALLATION AND WIRING

●Wiring

The safety related terminals are described in Table.2 and Table.3

Table.2 The safety related terminals

 Specifications for conforming safety standards.

 ON: The transistor is conducted. OFF: The transistor is not conducted.

CAUTION

In order to meet safety stop, an approved safety relay unit to ISO13849-1 safety category 3 or better

shall be used in conjunction with FR-A800/F800 as shown in example. In addition, all other

components with in the safety stop loop shall be ‘safety approved’ types.

WARNING

To avoid an electric shock hazard, insert the magnetic contactor (MC) between power source and

drive.

Open the contact of MC and keep away from drive for discharging time (refer to your drive’s User

Manual for information) before performing any work on the drive. And verify that the voltage on the

bus capacitors has discharged before Measuring the DC bus voltage at the P(+) and N(-) terminals or

test points (refer to your drive’s User Manual for locations). The voltage must be zero.

CAUTION

To avoid systematic faults, a test even for faulty demands of the safety function has to be performed

in order to check the correct function of the monitor signal. This test shall be carried out at system

installation, any software changes, parameterization changes, and/or at least once per year. Refer to

‘4. Test and checking failure’.

Terminal

symbol Description  Rating 

For input of safety stop channel 1.

S1-SIC is

OFF: In safety stop mode.

ON: Non safety stop mode. Input resistance: 4.7kΩ

Input current : 4 to 6 mADC

(In case of 24VDC input)

For input of safety stop channel 2.

S2-SIC is

OFF: In safety stop mode.

ON: Non safety stop mode.

SIC Common terminal for S1 terminal and S2 terminal.

As output for failure detection and alarm. SO terminal type is

‘Open collector output’.

SO-SOC is

OFF: Detect failure or alarm.

ON: No failure detected.

Note: This terminal cannot be used to output safety outputs in a

safety system. This terminal can be used for alarm or to

prevent restart only, no other safety function.

Load: 24VDC/0.1A max.

Voltage drop: 3.4V max.

(In case of ‘ON’ state)

SOC Common terminal for SO terminal.

INSTALLATION AND WIRING 5

Table.3 Truth table of safety related signals

 ON: The transistor is conducted. OFF: The transistor is not conducted.

 When not using the safety stop function, short across terminals S1 and PC, S2 and PC, and SIC and SD to use the inverter.

(In the initial status, terminals S1 and PC, S2 and PC, and SIC and SD are respectively shorted with shorting wires.)

 If any of the protective functions shown in the following table is activated, the terminal SO turns OFF.

 If the internal safety circuit is operated normally, the terminal SO remains ON until E.SAF is displayed, and the terminal SO

turns OFF when E.SAF is displayed.

 SA is displayed when the terminals S1 and S2 are identified as OFF due to the internal safety circuit failure.

 If another fault occurs at the same time as E.SAF, the other fault can be displayed.

 If another warning occurs at the same time as SA, the other warning can be displayed.

NOTE

• The response time from safety stop signal input to drive shutoff (safe state) is faster than 8ms.

• Hold the ON or OFF status for 2ms or longer to input signal to terminal S1 or S2.

Signal input shorter than 2ms is not recognized.

Input

power

Internal

safety

circuit

status

Input terminal ,  Output

terminal Inverter running status

Operation panel

indication

S1 S2 SO E.SAF  SA 

OFF OFF Output shutoff (Safe state) Not

displayed

Not

displayed

Normal ON ON ON  Drive enabled Not

displayed

Not

displayed

Normal ON OFF OFF  Output shutoff (Safe state) Displayed Displayed

Normal OFF ON OFF  Output shutoff (Safe state) Displayed Displayed

Normal OFF OFF ON  Output shutoff (Safe state) Not

displayed Displayed

Fault ON ON OFF Output shutoff (Safe state) Displayed Not

displayed 

Fault ON OFF OFF Output shutoff (Safe state) Displayed Displayed

Fault OFF ON OFF Output shutoff (Safe state) Displayed Displayed

Fault OFF OFF OFF Output shutoff (Safe state) Displayed Displayed

Error definition Operation panel indication

Option fault. E.OPT

Communication option fault E.OP1

Parameter storage device fault E.PE

Retry count excess E.RET

Parameter storage device fault E.PE2

Operation panel power supply short circuit/

RS-485 terminals power supply short

circuit

E.CTE

24 VDC power fault E.P24

Safety circuit fault E.SAF

Overspeed occurrence E.OS

CPU fault E.CPU

E.5 to E.7

Internal circuit fault E.13

Error definition Operation panel indication

6INSTALLATION AND WIRING

●Wire and ferrule specification

Table.4 Wire and ferrule specification

 Ferrules and tools are distributed by Phoenix Contact.

●Jumper cable

The jumper cable between S1,S2 and PC terminal between SIC and SD terminal has been installed in the factory

as shown in Fig.2.

Fig.2. Short wire

Before connecting safety input wire to S1,S2 and SIC terminal, remove this jumper cable.

Wire size (mm2)Ferrule with insulation collar  Crimping tool name 

0.3 / 0.5 AI 0,5-10WH

CRIMPFOX 6

0.75 AI 0,75-10GY

1AI1-10RD

1.25 / 1.5 AI1,5-10BK

0.75 (combined 2 wire) AI TWIN 2 X 0,75-10GY

2 5 4 1 F/C

+24

SD SD S1 S2 PC A1 B1 C1 A2 B2 C2SICSo

SOC

510E 10 SE SE SU

RUN

IPF OL FU PC RL RM RH RT AU SD SD CSSTP

MRS RES

STF STR

JOG

Terminal block of FR-A800/F800

EXAMPLE OF SAFETY SYSTEM CONFIGURATION 7

3EXAMPLE OF SAFETY SYSTEM

CONFIGURATION

●FR-A800/F800 configuration example

 If the control logic is SINK logic, the common terminal is terminal SD.

Fig.3 Safety system example with FR-A800/F800

NOTE

• When starting up the system’s operation, press the RESET switch to reset the safety stop function first,

then turn ON the START switch to run the motor.

• In the above configuration, after reset of emergency stop button, drive will be in safe-state until RESET

switch is pressed.

CAUTION

To prevent restart in case of recovering from input power loss of drive, 3-wired connection for

START/STOP control is recommended. In case of 2-wire connection and using latching type switch

to short between STF and SD/PC for starting, ensure the compliance with safety requirement for the

restarting when the drive recover from input power loss.

FR-A800/F800

R/L1

S/L2

T/L3

IGBTs

SOC

RESET

+24V

X0 X1

24G

XS0

XS1 Z10

Z00 Z20

Z11

Z01 Z21

24V

module

N-Q

STF

START

STOP

Emergency

stop button

+24V

Fuse

SIC

ASIC

Gate

Drive

Gate

CPU

Logic

UVW

STOP

COM0

COM1

Internal

Safety

Circuit

24V

Drive

8EXAMPLE OF SAFETY SYSTEM CONFIGURATION

●Multiple inverter configuration example

Fig.4 When using multiple safety stop function inverters (FR-A800/F800)

NOTE

• Some models cannot be used together because their control logics are different. Refer to the SAFETY

STOP FUNCTION MANUAL of each model.

FR-A800/F800

R/L1

S/L2

T/L3

IGBTs

SOC

RESET

+24V

X0 X1

24G

XS0

XS1 Z10

Z00 Z20

Z11

Z01 Z21

24V

module

N-Q

Emergency

stop button

+24V

Fuse

SIC

ASIC

Gate

Drive

Gate

CPU

Logic

UVW

COM0

COM1

Internal

Safety

Circuit

24V

FR-A800/F800

R/L1

S/L2

T/L3

IGBTs

SOC

+24V

Fuse

SIC

ASIC

Gate

Drive

Gate

CPU

Logic

UVW

Drive

EXAMPLE OF SAFETY SYSTEM CONFIGURATION 9

●Safety controller configuration example

Fig.5 Safety system example with FR-A800/F800

NOTE

• When starting up the system’s operation, press the RESET switch to reset the safety stop function first.

• In the above configuration, after reset of emergency stop button, drive will be in safe-state until RESET

switch is pressed.

WS0-CPU0

24VDC

FLEXBUS+

24V 0V

WS0-XTIO

WS0-CPU0

A1(24V)

A2(0V)

Application

FLEXBUS+

24V 0V

WS0-XTIO

A1(24V)

RESET

MITSUBISHI safety controller MELSEC-WS series

CPU module WS0-CPU0

Safety I/O combined module WS0-XTIO

Emergency

stop button

Application

R/L1 S/L2 T/L3

SOC

G G

ASIC

FR-A800/F800

SIC

Logic

PC Gate

Driver

Gate

Driver

IGBTs

Fuse

CPU

+24V

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