Pilz PNOZ 15 Data Sheet
Safe Timer Relays
Limited Inch
PZW
Pulse-on timer relay in accordance
VDE 0113-1, 11/98, EN 60204-1,
12/97, EN 1088, 12/97 and
IEC 204-1, 11/98.
Features
● Self-monitoring time circuits
● Monitoring the inching circuit for
limited movements
Approvals
PZW
●
●
Technical Details PZW
Electrica Data
Supply Voltage AC: 110, 120, 230 V
DC: 24 VDC
Tolerance 85 ... 110 %
Residual Ripple DC 10 %
Power Consumption Approx. 3.5 VA/4 W
Voltage and Current at Y1-Y2 24 VDC, 50 mA
Switching Capability in accordance with
EN 60947-4-1, 10/91 AC1: 240 V/6 A/1500 VA
DC1: 24 V/6 A/150 W
EN 60947-5-1, 10/91 (DC13: 6 cycles/min.) AC15: 230 V/4 A; DC13: 24 V/3A
Output Contacts 1 safety contact (N/O),
2 auxiliary contacts (N/C)
Contact Fuse Protection 6 A quick or 4 A slow
(EN 60947-5-1, 10/91)
Times
Delay-on Energisation AC: Approx. 100 ms
DC: Approx. 50 ms
Delay-on De-energisation Approx. 50 ms
Recovery Time Approx. 80 ms
Time Values 0.05/0.1/0.2/0.3/0.4/0.5/0.7/1.0/1.5/2.0/
2.5/3 s
Setting Accuracy
Start of range 0.05 s ±20 ms
End of range 3.0 s ±60 ms
Time Accuracy
1 % voltage change ±0.06 %
1 °C temperature change ±0.1 %
Repetition Accuracy ±1 %
Mechanical Data
Maximum Cross Section of 1 x 2.5 mm2 or 2 x 1.5 mm
External Conductors Single-core or multi-core with
crimp connectors
Dimensions (H x W x D) 87 x 45 x 121 mm
Weight AC: 350 g, DC: 260 g
2
4
●
Description
● 45 mm, P-93-housing, DIN-Rail
mounting
● Positive-guided relay outputs:
– 1 safety contact (N/O)
– 2 auxiliary contacts (N/C)
● LEDs for power and out
● 12 pulse options, set via
rotary switch
● Increase in the number of
safety contacts available by
connecting expander modules.
Function Description
The PZW provides pulsed cycles
within a safety circuit. It can be
activated by applying the operating
voltage.
The PZW is designed for use with:
● PNOZ safety relays
● PST safety gate monitors
● P2HZ two-hand relays.
NSG-D-2-085-05/01
Safe Timer Relays
Limited Inch
PZW
Internal Wiring Diagram
4
Input circuit
A1
A2
U
B
(L+)
~
G1
S1
(L-)
Time
circuit 1
1
...
2
t
W
11
12
=
Time
circuit 2
1
...
2
t
W
11
12
Function Diagram
loop
Output
1
0
1
0
1
0
t
w
(1)
w
Input circuit (UB)
Feedback control
= Undefined time period
(1) = Normal operating cycle
(2) = Fault condition: input circuit
opened too early
(3) = Fault condition: feedback control
loop closed too late within t
Feedback
control loop
Control logic
Control logic
(2)
Auxiliary
Safety
contacts
Y2Y1
K1
Self-test
K2
contact
17
25
K1
K2
18
26
t
w
(3)
t
w
(4)
(4) = Fault condition: feedback
control loop closed too late
after the time t
tw= Inching time
w
35
36
4-2
NSG-D-2-085-05/01
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