Pilz PNOZ 8 Data Sheet
Emergency Stop Relays, Safety Gate Monitors
Category 4, EN 954-1
PNOZ 8
Technical Details PNOZ 8
Electrical Data
Supply Voltage AC: 24, 42, 110, 115, 120, 230, 240 V
DC: 24 V
Tolerance 85 ... 110 %
Power Consumption Approx. 4,5 W/6 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, 10/91 AC1: 240 V/8 A/2000 VA
400 V/5 A/2000 VA
DC1: 24 V/8 A/200 W
EN 60947-5-1, 10/91 AC15: 230 V/5 A; DC13: 24 V/7A
(DC13: 6 cycles/min.)
Output Contacts 3 safety contacts (N/O)
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
l Dual-channel operation, with or
without detction of shorts
across the input contacts
l Monitored manual or automatic
reset can be selected
l Designed for operation using
semiconductor outputs
l Integrated safety cutout
Approvals
Contact Fuse Protection 10 A quick or 6 A slow
(EN 60947-5-1, 10/91)
Semiconductor Outputs 24 VDC/50 mA, PNP short circuit protected
External Supply Voltage 24 VDC ±20 %
Times
Delay-on Energisation Approx. 150 ms
Delay-on De-energisation Approx. 50 ms
Reccovery Time Approx. 0.3 s
Simultaneity channel 1/2 Max. 180 ms
Max. Supply Interruption before De-energisation Approx. 35 ms
Fuse Trip Delay AC: approx. 350 ms, DC: approx.150 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 90 x 111.5 mm
Weight AC: 800 g, DC: 600 g
1 auxiliary contact (N/C)
with crimp connectors
1
2
PNOZ 8
l
l
l
Pilz GmbH & Co., Felix-Wankel-Straße 2, D-73760 Ostfildern NSG-D-2-056-01/01
Telefon (07 11) 34 09-0, Telefax (07 11) 34 09-1 33, E-Mail: pilz.gmbh@pilz.de
Description
l 90 mm P-75 housing, DIN-Rail
mounting
l Positive-guided relay outputs:
– 3 safety contacts (N/O)
– 1 auxiliary contact (N/C)
l Connections for
– E-STOP button
– safety gate limit switch
– reset button
l Safety cutout reset button
l LEDs for channel 1, channel 2,
fault 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 Automatic reset
l Manual reset
l Monitored manual reset
1-1
Emergency Stop Relays, Safety Gate Monitors
14
K4 K5
13
Y1 Y2
K4
K5
1L1
1L2
Category 4, EN 954-1
PNOZ 8
1
Internal Wiring Diagram
+ 24 V
Y35
Y32
0 V
F1
&
Input
circuit
Y36
S11
A1 (L+) A2 (L-)
G1
Input circuit
U
B
S21 13 23 33 41
~
=
K1
A3
DC:
AC:
External Wiring
l Example 1
Single-channel E-STOP wiring with
manual reset.
S11 S21 S12
S1
S12
Y1
S3
K2
S22S12 S52
Reset circuit
and feedback
control loop
Y2Y37
K3
Y1
Safety
contacts
K1
K2
K3
14 24 34 42
Auxiliary
contact
l Example 4
Dual-channel E-STOP wiring with
monitored manual reset.
S12 Y1
Y2
Y36
S1
S11 S21
S3
– Key
S1/2: E-STOP or safety gate switch
S3: Reset button
Switch operated
Gate open
Gate closed
l Increase in safety contacts
The number of output contacts can
be increased by using expander
modules or relays/contactors with
positive-guided contacts.
S12
Y2
Y1S22
S52
l Example 2
Dual-channel E-STOP wiring with
manual reset.
S11 S21
S1
S3
S22
S12 Y2
S12 Y1
Y1
Y36
S52
l Example 3
Dual-channel E-STOP wiring without
short circuit detection across the
input contacts.
S11 S11
S1
S3
Y36 Y1
S21
S22
S12 Y2
Y37
Y1
S52
l Example 5
Dual-channel safety gate control with
manual reset and infinite
simultaneity.
S11 S11
S12
S12
S21
S1
Y37
S11
S3
S2
Y37S22
S12
Y1
Y36
Y1
S52
Y2
l Example 6
Dual-channel safety gate control with
automatic reset.
S11 S11
S12
S12
S21
S1
S2
Y37
S11
S12
Y1Y2Y36
Y1
S52
S12 Y2
S22
Y1
Y37S22
S52
Pilz GmbH & Co., Felix-Wankel-Straße 2, D-73760 Ostfildern NSG-D-2-056-01/01
Telefon (07 11) 34 09-0, Telefax (07 11) 34 09-1 33, E-Mail: pilz.gmbh@pilz.de
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