dundancy in the input circuit, earth
faults in the reset circuit and input
circuit are detected.
Dual-channel operation without de-
tection of shorts across contacts:
redundant input circuit, detects
– earth faults in the reset and input
circuit,
– short circuits in the input circuit
and, with a monitored reset, in
the reset circuit too.
][Funktionen_zweikanalig_mit Quer
Dual-channel operation with detec-
tion of shorts across contacts: redundant input circuit, detects
– earth faults in the reset and input
circuit,
Timing diagram
– short circuits in the input circuit
and, with a monitored reset, in
the reset circuit too,
– shorts between contacts in the
input circuit.
][Funktionen_auto_manu_Start
Automatic reset: 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.
][Funktionen_berStart_fall_Flanke
Monitored reset with falling edge:
Unit is active once
– the input circuit is closed and
then the reset circuit is closed
and opened again.
– the reset circuit is closed and
then opened again once the input circuit is closed.
][Funktionen_berStart_steig_Flanke
][Zeitdiagramm_PNOZs_auto_manu_ueber1_ueber2_Semi
Monitored reset with rising edge:
Unit is active once the input circuit
is closed and once the reset circuit
is closed after the waiting period
has elapsed (see technical details).
][Funktionen_Start_Anlauftest
Reset with start-up test: The unit
checks whether safety gates that
are closed are opened and then
closed again when supply voltage
is applied.
][Funktionen_Kontaktvervielfachung_PNOZsigma
Increase in the number of available
instantaneous safety contacts by
connecting contact expander modules or external contactors/relays;
A connector can be used to connect 1 PNOZsigma contact expander module.
This data sheet is only intended for use
during configuration. For installation
and operation, please refer to the operating instructions supplied with the
unit.
Service life graph
Lebensdauerkurve_Rela is_Text vor Kurv e
The service life graphs indicate the
number of cycles from which failures
due to wear must be expected. The
wear is mainly caused by the electrical
load; the mechanical load is negligible.
Lebensdauerkurve_Relais_Text nach Kurve_SIF Bsp
Example
Inductive load: 0,2 A
Utilisation category: AC15
Contact service life: 2,000,000 cy-
cles
Provided the application requires fewer than 2,000,000 cycles, the PFH value (see technical details) can be used
in the calculation.
To increase the service life, sufficient
spark suppression must be provided
on all output contacts. With capacitive
loads, any power surges that occur
must be noted. With contactors, use
freewheel diodes for spark suppression.
Lebensdauerkurve
Technical details PNOZsigma
Technical details
Electrical data
Supply voltage
Supply voltage U
Voltage tolerance-15 %/+10 %
Power consumption at U
Residual ripple DC20 %
Voltage and current at
Input circuit DC: 24.0 V50.0 mA
Reset circuit DC: 24.0 V50.0 mA
Feedback loop DC: 24.0 V50.0 mA
Number of output contacts
Safety contacts (S) instantaneous:2
Utilisation category in accordance with EN 60947-4-1
Safety contacts: AC1 at 240 VI
Safety contacts: DC1 at 24 VI
Utilisation category in accordance with EN 60947-5-1
Safety contacts: AC15 at 230 VI
Safety contacts: DC13 at 24 V (6 cycles/min)I
Conventional thermal current6.0 A
Contact materialAgCuNi + 0.2 µm Au
External contact fuse protection (I
Blow-out fuse, quick
Safety contacts:10 A
Blow-out fuse, slow
Safety contacts:6 A
Circuit breaker 24 VAC/DC, characteristic B/C
Safety contacts:6 A
Semiconductor outputs (short circuit proof)24.0 V DC, 20 mA
Max. overall cable resistance R
input circuits, reset circuits
single-channel at U
dual-channel without detect. of shorts across contacts at U
dual-channel with detect. of shorts across contacts at U
Min. input resistance when switching on110 Ohm
Safety-related characteristic data
PL in accordance with EN ISO 13849-1: 2006PL e (Cat. 4)
Category in accordance with EN 954-1Cat. 4
SIL CL in accordance with EN IEC 62061SIL CL 3
PFH in accordance with EN IEC 620612.31E-09
SIL in accordance with IEC 61511SIL 3
PFD in accordance with IEC 615112.03E-06
T
[year] in accordance with EN ISO 13849-1: 200620
M
Times
Switch-on delay
with automatic reset typ.170 ms
with automatic reset max.300 ms
with automatic reset after power on typ.350 ms
with automatic reset after power on max.600 ms
with manual reset typ.40 ms
on monitored reset with rising edge typ.35 ms
on monitored reset with rising edge max.50 ms
on monitored reset with falling edge typ.55 ms
on monitored reset with falling edge max.70 ms
Delay-on de-energisation
with E-STOP typ.10 ms
with E-STOP max.20 ms
with power failure typ.40 ms
with power failure max.60 ms
Recovery time at max. switching frequency 1/s
after E-STOP100 ms
after power failure100 ms
Waiting period with a monitored reset
with rising edge120 ms
with falling edge250 ms
Min. start pulse duration with a monitored reset
with rising edge30 ms
with falling edge100 ms
Simultaneity, channel 1 and 2∞
Supply interruption before de-energisation 20 ms
Environmental data
EMCEN 60947-5-1, EN 61000-6-2, EN 61000-6-4
Vibration to EN 60068-2-6
Frequency10 - 55 Hz
Amplitude0.35 mm
Climatic suitabilityEN 60068-2-78
Airgap creepage in accordance with EN 60947-1
Pollution degree2
Overvoltage categoryIII / II
Rated insulation voltage250 V
Rated impulse withstand voltage4.00 kV
Ambient temperature-10 - 55 °C
Storage temperature-40 - 85 °C
Protection type
Mounting (e.g. cabinet)IP54
HousingIP40
TerminalsIP20
Mechanical data
Housing material
HousingPC
FrontPC
Cross section of external conductors with screw terminals
1 core flexible0.25 - 2.50 mm² , 24 - 12 AWG No. 750103
2 core, same cross section, flexible:
with crimp connectors, without insulating sleeve0.25 - 1.00 mm² , 24 - 16 AWG No. 750103
without crimp connectors or with TWIN crimp connectors0.20 - 1.50 mm² , 24 - 16 AWG No. 750103
Torque setting with screw terminals0.50 Nm No. 750103
Cross section of external conductors with spring-loaded terminals: Flexible with/without crimp connectors
Spring-loaded terminals: Terminal points per connection2 No. 751103
Stripping length9 mm No. 751103
Dimensions
Height102.0 mm No. 751103
Width17.5 mm
Depth120.0 mm
Weight140 g
Technische Daten_Satz No .
No. stands for order number.
0.20 - 2.50 mm² , 24 - 12 AWG No. 751103
96.0 mm No. 750103
Si-Kennzahlen_Zusatz_Relais_Lebensdauer_PDB
It is essential to consider the relay's
service life graphs. The relay outputs'
safety-related characteristic data is
only valid if the values in the service life
graphs are met.
The PFH value depends on the switching frequency and the load on the relay
output.
If the service life graphs are not accessible, the stated PFH value can be
used irrespective of the switching frequency and the load, as the PFH value
already considers the relay's B10d value as well as the failure rates of the
other components.
Si_Kennzahlen_Erläute rung_1
All the units used within a safety function must be considered when calculating the safety characteristic data.
Si_Kennzahlen_Erläuterung_2
INFORMATION
A safety function's SIL/PL values are
not identical to the SIL/PL values of
the units that are used and may be different. We recommend that you use
Technische Daten_Satz Normen
the PAScal software tool to calculate
the safety function's SIL/PL values.