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
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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)
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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
K1
K2
13 23
24
14
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.
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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.
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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
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}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.
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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
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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
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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
Andere Handbücher für PNOZ s1
2
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2
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