Safe Monitoring Relays
Speed
PDWZ
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
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Technical Details |
PDWZ |
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Electrical Data |
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Supply Voltage |
AC: 110, 230 V |
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DC: 24 V |
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Tolerance |
85 ... 110 % |
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Residual Ripple DC |
20 % |
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Power Consumption |
Approx. 3.5 W/3.5 VA |
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Switching Capability in accordance with |
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EN 60947-4-1, 10/91 |
AC1: |
240 V/6 A/1500 VA |
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DC1: |
24 V/6 A/150 W |
EN 60947-5-1, 10/91 |
AC15: 230 V/4 A; DC13: 24 V/3 A |
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(DC13: 6 cycles/min.) |
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Output Contacts |
2 safety contacts (N/O) |
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Hysteresis per channel |
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Response value |
Uon: 10 ... 100 % UN |
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Release value |
Uoff: 0.8 x Uon |
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Measuring Ranges |
25 ... 250 mV; 50 ... 500 mV; 0.5 ... 5 V |
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Maximum overload (100 % CD) |
50 V; 50 V; 200 V |
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Impedance |
21 kW; 21 kW; 180 kW |
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Frequency |
30 ... 400 Hz |
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Meas. Ranges (positive voltage only) |
25 ... 250 V; 0.5 ... 5 V |
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Maximum overload (100 % CD) |
300 V DC; 500 V DC |
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Impedance |
300 kW; 460 kW |
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Frequency |
30 ... 400 Hz |
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Contact Fuse Protection |
6 A quick or 4 A slow |
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(EN 60947-5-1, 10/91) |
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Times |
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Delay-on De-energisation |
Approx. 50 ms |
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Delay-on Energisation after |
Approx. 0.3 s |
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supply voltage is applied |
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Simultaneity channel 1/2 |
Approx. 0.5 s |
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Mechanical Data |
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Torque Setting on Connection Terminals |
1.2 Nm (screws) |
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Maximum Cross Section of |
2 x 2.5 mm2 |
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External Conductors |
Single-core or multi-core with |
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crimp connectors |
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Dimensions (H x W x D) |
87 x 90 x 115 mm |
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Weight |
AC: 600 g, DC: 500 g |
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Description |
Operating Modes |
● 90 mm P-75 housing, DIN-Rail |
● Single-channel operation |
mounting |
● Dual-channel operation |
● Positive-guided relay outputs: |
● Automatic reset |
– 2 safety contacts (N/O) |
● Manual reset |
● LEDs for power, fault at |
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channel 1/2 |
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● Versions available with different |
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tacho voltages |
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● Increase in the number of |
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safety contacts available by |
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connecting expander modules. |
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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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