Pilz PDWZ Data Sheet
Safe Monitoring Relays
Speed
PDWZ
Technical Details PDWZ
Electrical Data
Supply Voltage AC: 110, 230 V
Tolerance 85 ... 110 %
Residual Ripple DC 20 %
Power Consumption Approx. 3.5 W/3.5 VA
Switching Capability in accordance with
EN 60947-4-1, 10/91 AC1: 240 V/6 A/1500 VA
EN 60947-5-1, 10/91 AC15: 230 V/4 A; DC13: 24 V/3 A
(DC13: 6 cycles/min.)
Output Contacts 2 safety contacts (N/O)
Hysteresis per channel
Response value Uon: 10 ... 100 % U
Speed monitor in accordance with
VDE 0113-1, 11/98, EN 60204-1,
12/97, EN 1088, 12/95 and
IEC 204-1, 11/98.
Features
● Monitors safe reduced speed
● Single or dual-channel
operation via tachogenerator
● Simultaneity monitoring
● Cable break detection
● Automatic self-test
Approval
PDWZ
●
●
Release value U
Measuring Ranges 25 ... 250 mV; 50 ... 500 mV; 0.5 ... 5 V
Maximum overload (100 % CD) 50 V; 50 V; 200 V
Impedance 21 kW; 21 kW; 180 kW
Frequency 30 ... 400 Hz
Meas. Ranges (positive voltage only) 25 ... 250 V; 0.5 ... 5 V
Maximum overload (100 % CD) 300 V DC; 500 V DC
Impedance 300 kW; 460 kW
Frequency 30 ... 400 Hz
Contact Fuse Protection 6 A quick or 4 A slow
(EN 60947-5-1, 10/91)
Times
Delay-on De-energisation Approx. 50 ms
Delay-on Energisation after Approx. 0.3 s
supply voltage is applied
Simultaneity channel 1/2 Approx. 0.5 s
Mechanical Data
Torque Setting on Connection Terminals 1.2 Nm (screws)
Maximum Cross Section of 2 x 2.5 mm
External Conductors Single-core or multi-core with
Dimensions (H x W x D) 87 x 90 x 115 mm
Weight AC: 600 g, DC: 500 g
DC: 24 V
DC1: 24 V/6 A/150 W
: 0.8 x U
off
crimp connectors
N
on
2
5
Description
● 90 mm P-75 housing, DIN-Rail
mounting
● Positive-guided relay outputs:
– 2 safety contacts (N/O)
Operating Modes
● Single-channel operation
● Dual-channel operation
● Automatic reset
● Manual reset
● LEDs for power, fault at
channel 1/2
● Versions available with different
tacho voltages
● Increase in the number of
safety contacts available by
connecting expander modules.
Pilz GmbH & Co., Felix-Wankel-Straße 2, 73760 Ostfildern, Deutschland NSG-D-2-088-01/01
Telefon +49 (7 11) 34 09-0, Telefax +49 (7 11) 34 09-1 33, E-Mail: pilz.gmbh@pilz.de
5-1
Safe Monitoring Relays
Speed
PDWZ
Function Diagram
U
B
13-14
22-24
Y1-Y2
U1/U2
U
an
U
ab
t
s
Connection Example
5
L1
L2
L3
S1
S14
S13
A1
23
13
PST1
S24
A2
S23
24
14
S2
n
K1
K1
N
speed regulation
M
A1 13 23
24
14
Tacho
N C
U2
U1
PDWZ
A2
Y1 Y2
Y3
N
K1
O
O
Tacho
O
S1/S2: E-STOP or safety gate switch
Gate open
Gate closed
Switch operated
Pilz GmbH & Co., Felix-Wankel-Straße 2, 73760 Ostfildern, Deutschland NSG-D-2-088-01/01
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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