Pilz PNOZ 3 Data Sheet
Emergency Stop Relays, Safety Gate Monitors
Category 3, EN 954-1
PNOZ 3
Technical Details PNOZ 3
Electrical Data
Emergency stop relay and safety
gate monitor in accordance with
VDE 0113-1, 11/98, EN 60204-1,
12/97 and IEC 204-1, 11/98.
Features
● Single-channel or dual-channel
without the detection of shorts
across the input contacts
● 1 N/O auxiliary contact is a
fleeting contact
Approvals
Supply Voltage AC:
Tolerance 85 ... 110 %
Power Consumption Approx. 4.5 W/9 VA
Voltage and Current at the Input and 24 VDC, 50 mA
Reset Circuits and Feedback Control Loop
Switching Capability in accordance with
EN 60947-4-1, 01/00 AC1: 240 V/8 A/2000 VA,
EN 60947-5-1, 08/00 (DC13: 6 cycles/min.)
Output Contacts 5 safety contacts (N/O)
Contact Fuse Protection 10 A quick or 6 A slow
EN 60947-5-1, 08/00
Times
Delay-on Energisation Approx. 250 ms
Delay-on De-energisation Max. 50 ms
Fleeting Contact 73-74 Approx. 150 ms
Simultaneity channel1/2 Approx. 150 ms or ¥
Max. Supply Interruption before De-energisation Approx. 10 ms
Mechanical Data
Torque Setting on Connection Terminals 1.2 Nm (screws)
Max. Cross Section of 2 x 2.5 mm
External Conductors Single-core or multi-core
Dimensions (H x W x D) 75 x 135 x 111.5 mm
Weight 830 g
24, 42, 48, 110, 115, 120, 230, 240 V
DC: 24 V
400 V/5 A/2000VA
DC1: 24 V/8 A/200 W
AC15: 230 V/5 A; DC13: 24 V/7 A
1 auxiliary contact (N/C)
1 fleeting auxiliary contact (N/O)
with crimp connectors
1
2
PNOZ 3
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Pilz GmbH & Co., Felix-Wankel-Straße 2, 73760 Ostfildern, Deutschland NSG-D-2-066-06/01
Telefon +49 (7 11) 34 09-0, Telefax +49 (7 11) 34 09-1 33, E-Mail: pilz.gmbh@pilz.de
Description
● 135 mm, P-75 housing, DIN Rail
mounting
● Positive-guided relay outputs:
– 5 safety contacts (N/O)
– 1 auxiliary contact (N/C)
– 1 fleeting auxiliary contact (N/O)
● Connections for
– E-STOP button
– safety gate limit switch
– reset button
● LEDs for channel 1/2 and
power
● Increase in the number of
safety contacts available by
connecting expander modules.
Operating Modes
● Single-channel operation
● Dual-channel operation
● Automatic reset
● Manual reset
1-1
Emergency Stop Relays, Safety Gate Monitors
Category 3, EN 954-1
PNOZ 3
1
Internal Wiring Diagram
UBInput circuit Feedback
A2
A1
(L-) T11 T12 T12 T22 X1 X2
(L+)
F1
~
+
G1
=
K1.1 K3 .1 K 2.1 K3.2
K2 K3
K1
T33 T34
Reset circuit
External Wiring
● Example 1
Single-channel E-STOP wiring with
manual reset.
T11 T12 T33
S1
X1
S3
control loop
K1.2
K2.2
Simultaneity
X3 X4
Safety
contacts
13 23 33 73
K1
K2
K3
14 24 34 74
43 53
44
54
Auxiliary
contacts
61
62
● Example 4
Time difference extended to infinity
on a safety gate control with manual
reset.
T33 X1
T12
T11
S3
● Increase in safety contacts
The number of output contacts can
be increased by using expander
modules or relays/contactors with
positive-guided contacts.
1L1
K5
K4
X1 X2
1L2
X4
62
X3
13
14
K4 K5
T34T22
T12
X2
● Example 2
Dual-channel E-STOP wiring with
manual reset.
T11 T33
S1
T12
X1
S3
T34T22
X2
● Example 3
Single-channel safety gate control
with automatic reset while
simultaneity is maintained.
T12 X1
T33
S1
T11
S2
61
X2
T22
T34
73
74
– Key
S1/2: E-STOP or safety gate switch
S3: Reset button
Switch operated
Gate open
Gate closed
X2T22
T34
Pilz GmbH & Co., Felix-Wankel-Straße 2, 73760 Ostfildern, Deutschland NSG-D-2-066-06/01
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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