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  • Fail-safe standstill monitors
  • Sensor-free detection of standstill by monitoring e.m.f.
  • Direct connection to three-phase motors
  • Suitable for connection to a frequency converter with the following interface date: rotary hysteresis 0 ... 1000 Hz, switching frequency of the end level up to 16 kHz, engine voltage range 0 ... 400 V
  • This fail-safe standstill monitor has the particular advantage that no adjustment for a required-value is needed during comissioning.
  • 3 safety contacts, STOP 0
  • 1 Signalling output

Ordering data

Product type description

AZR31S1/230VAC

Article number (order number)

101049665

EAN (European Article Number)

4250116202539

eCl@ss number, Version 9.0

27-37-18-19

eCl@ss number, Version 11.0

27-37-18-19

ETIM number, version 6.0

EC001449

Approval - Standards

Certificates

EAC

General data

Standards

IEC 61508

IEC/EN 60204-1

EN 60947-5-1

EN ISO 13849-1

Climatic stress

EN 60068-2-78

Enclosure material

Glass-fibre, reinforced thermoplastic

Material of the contacts, electrical

AgSn0. self-cleaning, positive drive

Gross weight

480 g

General data - Features

Stop-Category

0

Wire breakage detection

Yes

Short-circuit recognition

Yes

Feedback circuit

Yes

Automatic reset function

Yes

Earth connection detection

Yes

Integral System Diagnostics, status

Yes

Number of auxiliary contacts

1

Number of LEDs

5

Number of safety contacts

3

Safety appraisal

Standards

EN 60947-5-1

IEC 61508

PFH-value

2.00 x 10⁻⁸ /h

Mission Time

20 Year(s)

Common Cause Failure (CCF), minimum

65

Safety appraisal - Relay outputs

Performance level, stop 0, up to

e

Category, Stop 0

4

Diagnostic Coverage (DC) Level, Stop 0

≥ 99 %

Safety Integrity Level (SIL), Stop 0, suitable for applications in

3

Mechanical data

Mechanical life, minimum

10,000,000 Operations

Mounting

Snaps onto standard DIN rail to EN 60715

Mechanical data - Connection technique

Terminal Connector

Screw connection

rigid or flexible

Terminal designations

IEC/EN 60947-1

Cable section, minimum

0.25 mm²

Cable section, maximum

2.5 mm²

Tightening torque of Clips

0.6 Nm

Mechanical data - Dimensions

Width

45 mm

Height

73.2 mm

Depth

121 mm

Ambient conditions

Degree of protection of the enclosure

IP40

Degree of protection of the mounting space

IP54

Degree of protection of clips or terminals

IP20

Ambient temperature, minimum

-25 °C

Ambient temperature, maximum

+45 °C

Storage and transport temperature, minimum

-40 °C

Storage and transport temperature, maximum

+85 °C

Resistance to vibrations to EN 60068-2-6

10 ... 55 Hz, Amplitude 0.35 mm

Restistance to shock

30 g / 11 ms

Ambient conditions - Insulation value

Rated impulse withstand voltage Uimp

4 kV

Overvoltage category

III

Degree of pollution to IEC/EN 60664-1

2

Electrical data

Frequency range

50 Hz

60 Hz

Rated operating voltage

230 VAC -15% / +10%

Rated AC voltage for controls, 50 Hz, minimum

195.5 VAC

Rated control voltage at AC 50 Hz, maximum

253 VAC

Rated AC voltage for controls, 60 Hz, minimum

195.5 VAC

Rated control voltage at AC 60 Hz, maximum

253 VAC

Electrical power consumption, maximum

4 VA

Contact resistance, maximum

0.1 Ω

Note (Contact resistance)

in new state

Cable length (Master/Slave), maximum

10 m

Drop-out delay in case of power failure, typically

80 ms

Drop-out delay in case of emergency, typically

20 ms

Drop-out delay in case of emergency stop, maximum

15 ms

Pull-in delay at automatic start (after detecting standstill), approx.

7,000 ms

Pull-in delay at RESET, typically

20 ms

Electrical data - Safe relay outputs

Voltage, Utilisation category AC15

230 VAC

Current, Utilisation category AC-15

6 A

Voltage, Utilisation category DC13

24 VDC

Current, Utilisation category DC13

6 A

Switching capacity, minimum

10 VDC

Switching capacity, minimum

10 mA

Switching capacity, maximum

250 VAC

Switching capacity, maximum

8 A

Electrical data - Digital inputs

Conduction resistance, maximum

40 Ω

Electrical data - Digital Output

Voltage, Utilisation category DC12

24 VDC

Current, Utilisation category DC12

0.1 A

Electrical data - Relay outputs (auxiliary contacts)

Switching capacity, maximum

24 VDC

Switching capacity, maximum

2 A

Electrical data - Electromagnetic compatibility (EMC)

EMC rating

EMC-Directive

Status indication

Indicated operating states

OUT, green: release

ON, green: supply voltage UB

ERR, red: error channel A + B

Other data

Note (applications)

safe standstill monitoring

Notes

Note (General)

Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit.

Circuit example

Note (Wiring diagram)

The wiring diagram is shown with guard doors closed and in de-energised condition.

The sensor-free standstill monitor checks the e.m.f. of the three phase motor.

The SRB range guard door monitor checks the position of the guard door.

Monitoring the guard door using a solenoid interlock and a safety switch with separate actuator (A and B).

Release takes place by means of the NO contact (E) only when the run-down movement has been terminated.

After release has taken place, the guard door must be opened.

To secure a guard door

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