Pilz PST 4 Data Sheet
Safety Gate Monitors
Category 4, EN 954-1
PST 4
Technical Details PST 4
Electrical Data
Supply Voltage AC: 24, 42, 110, 230 V
Tolerance 85 ... 110 %
Power Consumption Approx. 5.5 W/12 VA
Residual Ripple DC Max. 20 %
Voltage and Current at the 24 VDC, 30 mA
Input Circuits 1/2
Switching Capability in accordance with
EN 60947-4-1, 10/92 AC1: 240 V/8 A/2000 VA
EN 60947-5-1, 08/00 AC15: 230 V/5 A; DC13: 24 V/7 A
(DC13: 6 cycles/min.)
Safety gate monitor in accordance
with VDE 0113-1, 11/98, EN 602041, 12/97 and IEC 204-1, 11/98.
Features
● Simultaneity monitoring
● Manual or automatic reset
● Start-up test after supply volta -
ge is applied
Approvals
PST 4
Output Contacts 6 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. 100 ms
Delay-on De-energisation Approx. 50 ms
Recovery Time Approx. 150 ms
Simultaneity channel 1/2 Approx. 4 s
Max. Supply Interruption before De-energisation 35 ms
Mechanical Data
Maximum Cross Section of 2 x 1.5 mm
External Conductors Single-core or multi-core
Dimensions (H x W x D) 87 x 90 x 121 mm
Weight AC: 700 g, DC: 600 g
DC: 24 V
400 V/5 A/2000 VA
DC1: 24 V/8 A/200 W
4 auxiliary contacts (N/C)
2
with crimp connectors
2
●
●
●
Pilz GmbH & Co., Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone +49 (7 11) 34 09-0, Telefax +49 (7 11) 34 09-133, E-Mail: pilz.gmbh@pilz.de
Description
● 90 mm, P-93 housing, DIN-Rail
mounting
● Positive-guided relay outputs:
– 6 safety contacts (N/O)
– 4 auxiliary contacts (N/C)
● Connection for
– safety gate limit switches
– reset button
● LEDs for power, channel 1 IN,
channel 2 IN, channel 1 OUT and
channel 2 OUT
● Increase in the number of
safety contacts available by
connecting expander modules.
Operating Modes
● Dual-channel operation
● Automatic reset
● Manual reset
NSG-D-2-075-03/02
Safety Gate Monitors
Category 4, EN 954-1
PST 4
2
Internal Wiring Diagram
Reset
U
B
Input circuit
A2
A1
(L-)
(L+)
F1
~
G1
S11 S12
K1
Switch-on logic
S23 S24
Input circuit
cycle test
Control logic
+
=
circuit
K2
Feedback
control loop
Y1
External Wiring
● Example 1
Dual-channel safety gate control with
automatic reset.
S33
Y1
S11
S1
S12
S23
S2
Y2S33 S34
CH. 1
CH. 2
K1
K2
Safety contacts
13 23
33 43
14 24
34 44
53 63
54 64
Auxiliary N/C
contacts
71 81
72 82
91 01
92 02
● Example 4
Dual-channel safety gate control with
manual reset and start-up testing.
Y1
S12
S23
S33
S1
S3
S2
S11
● Increase in safety contacts
The number of output contacts can
be increased by using expander
modules or relays/contactors with
positive-guided contacts.
L1
K3 K4
Y1
N
Y2
13
14
K3
K4
S24
S34
Y2
● Example 2
Dual-channel safety gate control with
manual reset.
S33
Y1
S11
S1
S12
S3
S23
S2
S24
S34
Y2
● Example 3
Dual-channel safety gate control with
automatic reset and start-up testing.
Y1
S11
S33
S1
S12
S23
S2
S24
S34
Y2
● Example 5
Dual-channel safety gate control with
simulation for opening and closing
the safety gate.
S11
S24
S12
Y1
S1
S2
S23
Y2
– Key
S1/S2: E-STOP or safety gate switch
S3: Reset button
Switch operated
Gate open
S24
S34
Y2
Gate closed
Pilz GmbH & Co., Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone +49 (7 11) 34 09-0, Telefax +49 (7 11) 34 09-133, E-Mail: pilz.gmbh@pilz.de
NSG-D-2-075-03/02
Loading...