Pilz PNOZ s1 Bedienungsanleitung

PNOZ s1

Operating Manual-21393-EN-07

Safety relays

Preface

This document is the original document.

All rights to this documentation are reserved by Pilz GmbH & Co. KG. Copies may be made

for internal purposes. Suggestions and comments for improving this documentation will be

gratefully received.

Pilz®, PIT®, PMI®, PNOZ®, Primo®, PSEN®, PSS®, PVIS®, SafetyBUS p®, SafetyEYE®,

SafetyNET p®, the spirit of safety® are registered and protected trademarks of Pilz GmbH

& Co. KG in some countries.

SD means Secure Digital

PNOZ s1

Operating Manual PNOZ s1

21393-EN-07 3

Safety relay PNOZ s1

The safety relay provides a safety-related interruption of a safety circuit.

The safety relay meets the requirements of EN 60947-5-1, EN 60204-1 and VDE 0113-1

and may be used in applications with

}E-STOP pushbuttons

}Safety gates

For your safety

}Only install and commission the unit if you have read and understood these operating

instructions and are familiar with the applicable regulations for health and safety at work

and accident prevention.

Ensure VDE and local regulations are met, especially those relating to safety.

}Any guarantee is rendered invalid if the housing is opened or unauthorised modifica-

tions are carried out.

Unit features

}Relay outputs:

– 2 safety contacts (N/O), instantaneous

}1 semiconductor output

}Connection options for:

– E-STOP pushbutton

– Safety gate limit switch

– Start button

}A connector can be used to connect 1 PNOZsigma contact expansion module

}LED indicator for:

– Supply voltage

– Input status, channel 1

– Input status, channel 2

– Switch status of the safety contacts

– Start circuit

– Errors

}Plug-in connection terminals (either spring-loaded terminal or screw terminal)

PNOZ s1

Operating Manual PNOZ s1

21393-EN-07 4

Safety features

The relay meets the following safety requirements:

}The circuit is redundant with built-in self-monitoring.

}The safety function remains effective in the case of a component failure.

}The correct opening and closing of the safety function relays is tested automatically in

each on-off cycle.

}The unit has an electronic fuse.

Block diagram/terminal configuration

Input

A1 A2



Power

Reset/

Start

S34



Y32

13 23

Interface

expansion

unit

Centre: Front view with cover, right: Front view without cover

Function description

}Single-channel operation: no redundancy in the input circuit, earth faults in the reset

and input circuit are detected.

}Automatic start: Unit is active once the input circuit has been closed.

}Manual reset: Unit is active once the input circuit is closed and then the reset circuit is

closed.

}Increase in the number of available instantaneous safety contacts by connecting con-

tact expander modules or external contactors/relays;

A connector can be used to connect 1 PNOZsigma contact expander module.

PNOZ s1

Operating Manual PNOZ s1

21393-EN-07 5

Installation

Install base unit without contact expansion module:

}Ensure that the plug terminator is inserted at the side of the unit.

Connect base unit and PNOZsigma contact expansion module:

}Remove the plug terminator at the side of the base unit and at the contact expansion

module.

}Connect the base unit and the contact expansion module to the supplied connector be-

fore mounting the units to the DIN rail.

Installation in control cabinet

}The safety relay should be installed in a control cabinet with a protection type of at least

IP54.

}Use the notch on the rear of the unit to attach it to a DIN rail (35 mm).

}When installed vertically: Secure the unit by using a fixing element (e.g. retaining brack-

et or end angle).

}Push the device upwards or downwards before lifting it from the DIN rail.

Wiring

Please note:

}Information given in the "Technical details" must be followed.

}The outputs 13-14, 23-24 are safety contacts.

}Semiconductor output Y32 should not be used for safety circuits!

}To prevent contact welding, a fuse should be connected before the output contacts (see

technical details).

}Calculation of the max. cable length lmax in the input circuit:









Rlmax = max. overall cable resistance (see technical details)

Rl/ km = cable resistance/km

}Use copper wire that can withstand 60/75 °C.

}Sufficient fuse protection must be provided on all output contacts with capacitive and in-

ductive loads.

PNOZ s1

Operating Manual PNOZ s1

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Preparing for operation

}Supply voltage

Supply voltage AC DC







 

}Input circuit

Input circuit Single-channel Dual-channel

Emergency stop

without detection of shorts

across contacts



 

Safety gate

without detection of shorts

across contacts  



}Start circuit/feedback loop

Start circuit/feedback loop Start circuit Feedback circuit

Automatic start

 

















Manual start







 

 















PNOZ s1

Operating Manual PNOZ s1

21393-EN-07 7

}Semiconductor output

*Connect together the 0V connections on all the external power supplies

Key

}S1: E-STOP pushbutton

}S2: Start button

}: Switch operated

}: Gate open

}: Gate closed

Information

If a base unit and a contact expansion module from the PNOZsigma range

are connected via the connector, no additional wiring is necessary.

Operation

The unit is ready for operation when the Power LED is permanently lit.

LEDs indicate the status and errors during operation:

LED on

LED flashes

Information

Status indicators and error indicators may occur independently. In the case

of an error display, the "Fault" LED will light or flash (exception: "Supply

voltage too low"). An LED that is also flashing indicates the potential cause

of the error. An LED that is lit and is static indicates a normal operating sta-

tus. Several status indicators and error indicators may occur simultaneously.

PNOZ s1

Operating Manual PNOZ s1

21393-EN-07 8

Status indicators

Power, In1, In2

Input circuit is closed.

Out

Safety contacts are closed and semiconductor output Y32 carries a high signal.

Reset

24 V DC is present at S34.

Error indicators

Fault

Diagnostics: Plug terminator not connected

}Remedy: Insert plug terminator, switch supply voltage off and then on

again.

Fault

Diagnostics: Internal error, unit defective

}Remedy: Switch supply voltage off and then on again, change unit if neces-

sary.

Power

Diagnostics: Supply voltage too low

}Remedy: Check the supply voltage.

Faults - malfunctions

}Contact malfunctions: If the contacts have welded, reactivation will not be possible after

the input circuit has opened.

Technical Details

General 750101 751101

Approvals CCC, CE, GOST, KOSHA, TÜV,

cULus Listed

CCC, CE, GOST, KOSHA, TÜV,

cULus Listed

Electrical data 750101 751101

Supply voltage

Voltage 24 V 24 V

Type DC DC

Voltage tolerance -15 %/+10 % -15 %/+10 %

Output of external power supply

(DC)

2,0 W 2,0 W

Residual ripple DC 20 % 20 %

Continuous duty 100 % 100 %

Max. inrush current impulse

Reset circuit 0,20 A 0,20 A

Feedback loop 0,20 A 0,20 A

PNOZ s1

Operating Manual PNOZ s1

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Electrical data 750101 751101

Max. overall cable resistance Rl-

max

Single-channel at UB DC 30 Ohm 30 Ohm

Voltage at

Input circuit DC 24,0 V 24,0 V

Reset circuit DC 24,0 V 24,0 V

Feedback loop DC 24,0 V 24,0 V

Current at

Input circuit DC 60,0 mA 60,0 mA

Reset circuit DC 20,0 mA 20,0 mA

Feedback loop 20,0 mA 20,0 mA

Number of output contacts

Instantaneous safety contacts

(N/O)

2 2

Inputs 750101 751101

Number 1 1

Semiconductor outputs 750101 751101

Number 1 1

Voltage 24,0 V 24,0 V

Current 20 mA 20 mA

Relay outputs 750101 751101

Max. short circuit current IK 1 kA 1 kA

Utilisation category

In accordance with the standard EN 60947-4-1 EN 60947-4-1

Safety contacts, AC1 at 240 V 240 V

Max. current 3,0 A 3,0 A

Min. current 0,02 A 0,02 A

Max. power 720 VA 720 VA

Safety contacts, DC1 at 24 V 24 V

Max. current 3,0 A 3,0 A

Min. current 0,02 A 0,02 A

Max. power 72 W 72 W

Utilisation category

In accordance with the standard EN 60947-5-1 EN 60947-5-1

Safety contacts, AC15 at 230 V 230 V

Max. current 1,5 A 1,5 A

Safety contacts, DC13 (6 cycles/

min) at

24 V 24 V

Max. current 1,5 A 1,5 A

Contact fuse protection, external

safety contacts

In accordance with the standard EN 60947-5-1 EN 60947-5-1

Blow-out fuse, quick 4 A 4 A

Blow-out fuse, slow 2 A 2 A

Circuit breaker, 24V AC/DC,

characteristic B/C

2 A 2 A

Contact material AgSnO2 AgSnO2

PNOZ s1

Operating Manual PNOZ s1

21393-EN-07 10

Conventional thermal current

while loading several contacts

750101 751101

Ith per contact at UB DC

Conv. therm. current with 1 con-

tact

3,00 A 3,00 A

Conv. therm. current with 2 con-

tacts

3,00 A 3,00 A

Times 750101 751101

Switch-on delay

With automatic reset typ. 100 ms 100 ms

With automatic reset max. 150 ms 150 ms

With automatic reset after power

on typ.

100 ms 100 ms

With automatic reset after power

on max.

150 ms 150 ms

With manual reset typ. 50 ms 50 ms

With manual reset max. 60 ms 60 ms

Delay-on de-energisation

With E-STOP typ. 30 ms 30 ms

With E-STOP max. 40 ms 40 ms

With power failure typ. 30 ms 30 ms

With power failure max. 40 ms 40 ms

Recovery time at max. switching

frequency 1/s

After E-STOP 100 ms 100 ms

After power failure 100 ms 100 ms

Supply interruption before de-ener-

gisation

10 ms 10 ms

Environmental data 750101 751101

Climatic suitability EN 60068-2-78 EN 60068-2-78

Ambient temperature

Temperature range -10 - 55 °C -10 - 55 °C

Storage temperature

Temperature range -40 - 85 °C -40 - 85 °C

EMC EN 60947-5-1, EN 61000-6-2, EN

61000-6-4

EN 60947-5-1, EN 61000-6-2, EN

61000-6-4

Vibration

In accordance with the standard EN 60068-2-6 EN 60068-2-6

Frequency 10,0 - 55,0 Hz 10,0 - 55,0 Hz

Max. amplitude 0,35 mm 0,35 mm

Airgap creepage

In accordance with the standard EN 60947-1 EN 60947-1

Overvoltage category III III

Pollution degree 2 2

Rated insulation voltage 250 V 250 V

Rated impulse withstand voltage 4,00 kV 4,00 kV

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