Pilz PNOZ XV1P Data Sheet
E-STOP relays, safety gate monitors
Up to Category 4, EN 954-1
PNOZ XV1P
Safety relay for monitoring E-STOP
pushbuttons and safety gates.
Approvals
PNOZ XV1P
Unit features
` Positive-guided relay outputs:
– 2 safety contacts (N/O), instanta-
neous
– 1 safety contact (N/O), delay-on
de-energisation
` Connection options for:
– E-STOP pushbutton
– Safety gate limit switch
– Reset button
` LED indicator for:
– Switch status channel 1/2
– Supply voltage
` Plug-in connection terminals (either
cage clamp terminal or screw terminal)
` See order reference for unit types
Unit description
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
The max. category the safety contacts
can achieve in accordance with EN
954-1 is stated in the technical details.
Safety features
The relay meets the following safety
requirements:
` The circuit is redundant with built-in
self-monitoring.
` The safety function remains effec-
tive 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
A1 A2
=
Power
=
S11
S14
S12 S32
InputInput
StartStart
S21 S22
Input
K3
K1
K4
K2
13 23
14 24S33 S34
37
38
Pilz GmbH & Co. KG, Sichere Automation, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: pilz.gmbh@pilz.de
NSG-D-2-308-2006-07
E-STOP relays, safety gate monitors
Up to Category 4, EN 954-1
PNOZ XV1P
Function description
` Single-channel operation: no re-
dundancy in the input circuit, earth
faults in the reset and input circuit
are detected.
` Dual-channel operation with detec-
tion of shorts across contacts: redundant input circuit, detects
– earth faults in the reset and input
circuit,
– short circuits in the input circuit
Timing diagram
POWER
Reset/Start
Input
Output safe
Output safe del
and, with a monitored reset, in
the reset circuit too,
– shorts between contacts in the
input circuit.
` 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.
1 2
t1 t2
t1
t3 t2
t3
t4
t1
` Automatic start: Unit is active once
the input circuit has been closed.
` Monitored reset: 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).
` Increase in the number of available
contacts by connecting contact expander modules or external contactors/relays.
t2t1
t3
t4 t3
t2
Key
` Power: Supply voltage
` Reset/start: Reset circuit S14-S32,
S33-S34
` Reset tv: Y39-Y40
` Input: Input circuits S11-S12, S12-
S32, S21-S22
Wiring
Please note:
` Information given in the “Technical
details” must be followed.
` Outputs 37-38 are delay-on de-en-
ergisation safety contacts.
` To prevent contact welding, a fuse
should be connected before the
output contacts (see technical details).
` Calculation of the max. cable runs
in the input circuit:
l
max
R
lmax
=
I
max
Rl / km
= max. overall cable resist-
R
lmax
ance (see technical details)
/km = cable resistance/km
R
l
` Use copper wire that can withstand
60/75 °C.
` Output safe: Safety contacts, in-
stantaneous 13-14, 23-24
` Output safe del: Safety contacts,
delayed 37-38
` Å: Automatic reset
` Ç: Monitored reset
` Sufficient fuse protection must be
provided on all output contacts with
capacitive and inductive loads.
` t1: Switch-on delay
` t2: Delay-on de-energisation
` t3: Delay time
` t4: Waiting period
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: pilz.gmbh@pilz.de
NSG-D-2-308-2006-07Pilz GmbH & Co. KG, Sichere Automation, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
-2
E-STOP relays, safety gate monitors
Up to Category 4, EN 954-1
PNOZ XV1P
Preparing for operation
` Supply voltage
Supply voltage AC DC
` Input circuit
Input circuit Single-channel Dual-channel
E-STOP
without detection of shorts across contacts
E-STOP
with detection of shorts across contacts
Safety gate
without detection of shorts across contacts
S21
S22
S21
S22
S11
S12
S32
S11
S12
S32
S1
S11
S12
S1
A1
A2
S12
S21
S22
S32
L+
L-
S1
Safety gate
with detection of shorts across contacts
Pilz GmbH & Co. KG, Sichere Automation, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: pilz.gmbh@pilz.de
S11
S12
S21
S22
S12
S32
S1
S2
NSG-D-2-308-2006-07
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