Pilz PNOZ X2.1VP Data Sheet

E-STOP relays, safety gate monitors

Up to PL d of EN ISO 13849-1

PNOZ X2.1VP

Gertebild

][Bildunterschrift

Safety relay for monitoring E-STOP
pushbuttons and safety gates.

Approvals

PNOZ X2.1VP



SÜDDEUTSCHLAND





Unit features

Gertemerkmale

` Positive-guided relay outputs:

– 2 safety contacts (N/O), delay-on

de-energisation

` 1 semiconductor output
` Connection options for:

– E-STOP pushbutton
– Safety gate limit switch
– Reset button

` LED indicator for:

– Switch status channel 1/2
– Supply voltage
– Semiconductor output

` Semiconductor output signals:

– Switch status channel 1/2

` Plug-in connection terminals (either

spring-loaded terminal or screw
terminal)

` See order reference for unit types

Unit description

Bestimmung/Gertebeschreibung NOT-AUS, Schutz_PNOZ

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

Safety features

][Sicherheitseigenscha ften Schaltgerät_allgem einer Teil

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.

Sicherheitseigenschaften Zusatz - Sicherung DC_PNOZ

` The unit has an electronic fuse.

Zulassungen

Block diagram

A1 A2

=

Power

=

Blockschaltbild

S11 S12

Y11 Y12

S21 S22

InputInput

S31 S32

Input

S33 S34

Reset/

Start

27 37

K1

K2

28 38

NSG-D-2-252-2010-01

E-STOP relays, safety gate monitors

Up to PL d of EN ISO 13849-1

PNOZ X2.1VP

Function description

][Funktionen_einkanalig

` Single-channel operation: no re-

dundancy in the input circuit, earth
faults in the reset and input circuit
are detected.

][Funktionen_zweikanalig_mit_quer_manu

` Dual-channel operation with detec-

tion of shorts across contacts: re­dundant input circuit, detects

Timing diagram

POWER

Reset/Start

Input

Output safe

Semi

Key

` Power: Supply voltage
` Reset/Start: Reset circuit S33-S34
` Input: Input circuits S11-S12, S21-

S22, S31-S32

` Output safe: Safety contacts, de-

layed 27-28, 37-38

– earth faults in the reset and input

circuit,

– short circuits and shorts be-

tween contacts in the input cir­cuit.

][Funktionen_autoStart

` Automatic start: Unit is active once

the input circuit has been closed.

][Funktionen_manuStart

][Zeitdiagramm_auto_manu_semi_del

1 2

t1 t2

` Semi: Semiconductor output
` c: Automatic reset
` d: Manual reset
` a: Input circuit closes before reset

circuit

` Manual reset: Unit is active once

the input circuit is closed and then
the reset circuit is closed.

][Funktionen_Kontaktvervielfachung

` Increase in the number of available

instantaneous safety contacts by
connecting contact expansion
modules or external contactors.

ab

t1t1 t2

t1

t2

3

t

t2

` b: Reset circuit closes before input

circuit

: Switch-on delay

` t

1

: Delay-on de-energisation

` t

2

: Recovery time

` t

3

Wiring

][Verdrahtung_Si_verz

Please note:

` Information given in the “Technical

details” must be followed.

` Outputs 27-28, 37-38 are delay-on

de-energisation 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

R

= max. overall cable resist-

lmax

ance (see technical details)

/km = cable resistance/km

R

l

` Use copper wire that can withstand

60/75 °C.

` Sufficient fuse protection must be

provided on all output contacts with
capacitive and inductive loads.

NSG-D-2-252-2010-01

-2

E-STOP relays, safety gate monitors

Up to PL d of EN ISO 13849-1

PNOZ X2.1VP

Preparing for operation

Betriebsbereitschaft her stellen

` 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

S21
S22

S12
S11
S32

S31

S1

S11
S12

A1

A2

S22
S32
S31
S21

L+

L-

S1

Safety gate
without detection of shorts across con­tacts

S12
S21
S22

S11

S32

S31

Safety gate
with detection of shorts across contacts

` Reset circuit

Reset circuit E-STOP wiring (single-channel)

Safety gate (single-channel)

Automatic reset

Manual reset

S33

S34

S33

S3

S1

S11
S12

S22
S21
S32

S31

S1

E-STOP wiring (dual-channel)
Safety gate (dual-channel)

S33

S34

S33

S2

S3

S34

S34

NSG-D-2-252-2010-01