Pilz PNOZ x2, PNOZ x2.1, PNOZ x2.2 Data Sheet
Emergency Stop Relays, Safety Gate Monitors
Category 4, EN 954-1
PNOZ X2, PNOZ X2.1, PNOZ X2.2
Technical Details PNOZ X2, PNOZ X2.1, PNOZ X2.2
Electrical Data
Supply Voltage AC: 24 V
DC: 24 V
Tolerance 85 ... 110 %
Power Consumption Approx. 2 W/2 VA
Voltage and Current at the Input and 24 VDC/25 mA
Reset Circuits and Feedback Control Loop
Switching Capability in accordance with
EN 60947-4-1, 10/91 AC1: 240 V/6 A/1500 VA
DC1: 24 V/4 A/100 W
EN 60947-5-1, 10/91 AC15: 230 V/5 A; DC13: 24 V/4A
(DC13: 6 cycles/min.)
Output Contacts 2 safety contacts (N/O)
EN 954-1, 07/96, category 4
Emergency stop relay and safety
gate monitor in accordance with
VDE 0113-1 Part 1, 11/98 and
EN 60204-1, 12/97.
Features
l Dual-channel operation which
detects shorts across the input
contacts
l Supply voltage: 24 VAC/DC
l PNOZ X2: monitored manual
reset only
l PNOZ X2.2: several units may
be started in parallel using one
reset button
Contact Fuse Protection 6 A quick or 4 A slow
(EN 60947-5-1, 10/91)
Times
Delay-on Energisation Automatic reset: max. 150 ms
Manual reset: max. 100 ms
Delay-on De-energisation
Recovery Time Approx. 1 s
Simultaneity channel 1/2 ¥
Max. Supply Interruption before De-energisation Approx. 10 ms
Mechanical Data
Maximum Cross Section of 2 x 1.5 mm2 or 1 x 2.5 mm
External Conductors Single-core or multi-core with
Dimensions (H x W x D) 87 x 22.5 x 122 mm
Weight 220 g
Single-channel input circuit: max. 100 ms
Dual-channel input circuit: max. 30 ms
crimp connectors
1
2
Description
Approvals
l 22.5 mm, S-95 housing, DIN-Rail
PNOZ X2/X2.1/X2.2
l
l
l
Pilz GmbH & Co., Felix-Wankel-Straße 2, 73760 Ostfildern, Deutschland NSG-D-2-053-01/01
Telefon +49 (7 11) 34 09-0, Telefax +49 (7 11) 34 09-1 33, E-Mail: pilz.gmbh@pilz.de
mounting
l Positive-guided relay outputs:
2 safety contacts (N/O)
l Connections for
– E-STOP button or safety gate
limit switch
– reset button
l Detects shorts across the input
contacts
l LEDs for channel 1, channel 2 and
power
l Increase in the number of
safety contacts available by
connecting expander modules.
Operating Modes
l Single-channel operation
l Dual-channel operation
l Manual reset
l PNOZ X2 only: monitored manual
reset
l PNOZ X2.1 only: automatic
reset
l PNOZ X2.2 only: as the PNOZ X2
but any number of units can be
connected in parallel to one or
more reset buttons
1-1
Emergency Stop Relays, Safety Gate Monitors
Category 4, EN 954-1
PNOZ X2, PNOZ X2.1, PNOZ X2.2
1
Internal Wiring Diagram
– PNOZ X2, PNOZ X2.1
A1 (L+) A2 (L-)
– PNOZ X2.2
U
B
A1 (L+) A2 (L-)
UB
Reset
circuit
S33
S34
Start
Unit
S22
K3
Reset
circuit
S33
S34
K1
Input circuit
K3
Start
Unit
S22
Input circuit
Input
circuit
S11
Start
Unit
S21
S12
S11
K1
Input
circuit
Start
Unit
S21
S12
K2
Safety
contacts
13
14
Safety
contacts
K2
l Example 3
PNOZ X2.1 only: dual-channel
E-STOP wiring with automatic reset.
S33
S21
23
24
l Example 4
S11
S1
S22
S34
S12
Dual-channel safety gate control
through forced-contact limit switches
with position monitoring.
S11
13
23
S22
S33
S1S3S1
S12
S21
S2
S34
l Example 5
PNOZ X2.1 only: dual-channel safety
gate control with automatic reset.
24
14
S11
S33
S22
S1S1
S12
S21
S2
S34
External Wiring
l Example 1
Single-channel E-STOP wiring with
monitored manual reset, delay-on
de-energisation: max. 100 ms
UB
(L+)
S11
S1
A1
S12
S21
S22
S33
S3
S34
l Example 2
Dual-channel E-STOP wiring with
monitored manual reset.
S11
S21
S33
S1
S12
S22
S3
S34
Pilz GmbH & Co., Felix-Wankel-Straße 2, 73760 Ostfildern, Deutschland NSG-D-2-053-01/01
Telefon +49 (7 11) 34 09-0, Telefax +49 (7 11) 34 09-1 33, E-Mail: pilz.gmbh@pilz.de
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