Pilz PSWZ-F Data Sheet

Safe Monitoring Relays

Standstill

PSWZ-F

Technical Details PSWZ-F

Electrical Data

Supply Voltage 24 V DC
Tolerance 85 ... 110 %
Residual Ripple DC 20 %
Power Consumption Approx. 4.5 W
Switching Capability in accordance with
EN 60947-4-1, 02/01 AC1: 240 V/6 A/1500 VA

EN 60947-5-1, 11/97 AC15: 230 V/4 A; DC13: 24 V/3A
(DC13: 6 cycles/min.)
Output Contacts 2 safety contacts (N/O),

Hysteresis per channel
Response value Uon: 20 ... 500 mV

Standstill 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

● Safe standstill monitoring

● Single or dual-channel operation

● No external components

necessary

● Simultaneity monitoring

● Semiconductor output for fault

signalling

● Input for reset

● Cable break detection

● Limited use for variable-

frequency inverter operation

● Automatic self-test

Approvals

PSWZ-F

●

Release value U
Measuring Circuit
Input voltage 110 ... 500 VAC overload up to 690 VAC
Frequency range 0 ... 1,5 kHz
Input impedance Approx. 660 k
Contact Fuse Protection 6 A quick or 4 A slow
(EN 60947-5-1, 08/00)
Semiconductor outputs 24 V DC/50 mA, short-circuit proof
External supply voltage 24 C DC ± 20 %
Semiconductor input 24 V DC/30 mA

Times

Delay-on Energisation Approx. 1 s
Delay-on De-energisation Approx. 170 ms
Delay-on Energisation after failure and Approx. 1.5 s
return of the operating voltage
Simultaneity channel 1/2 Approx. 6 s
Recovery Time Approx. 1.5 s
Max. Supply Interruption before Approx. 35 ms
De-energisation

Mechanical Data

Maximum Cross Section of 2 x 2.5 mm
External Conductors Single-core or multi-core with

Torque Setting on Connection Terminals 1.2 Nm (screws)
Dimensions (H x W x D) 87 x 90 x 115 mm
Weight 440 g

DC1: 24 V/6 A/150 W

1 auxiliary contact (N/C)

: 2 x U

off

on

W

2

crimp connectors

5

●

Descritpion

● 90 mm, P-75 housing, DIN-Rail

●

mounting

● Positive-guided relay outputs:
– 2 safety contacts (N/O)

●

– 1 auxiliary contact (N/C)

● Measuring inputs for single and
three-phase motors

● Measuring voltages for channels
can be set separately

● Increase in the number of
safety contacts available by
connecting expander modules.

● 2 semiconductor outputs for
status, fault signalling

Operating Modes

1 semiconductor input for reset

● LEDs for power, channel 1,
channel 2 and relay status

● Single-channel operation

● Dual-channel operation

NSG-D-2-314-01/02

5-1

Safe Monitoring Relays

Standstill

PSWZ-F

Function Diagram

U

B

Y1-Y2

13-14

23-24

Y35

RESET

UL1/UL2

U

an

U

ab

t<t

g

tg = Simultaneity monitoring

Connection Example

t

>t

g

ca.50 ms

1,5 s

5

L1
L2
L3

F1

A1 13 14

23 24 A2

S1 K2

S0

S4

S23

S2

S13

S24

S14

PST1

S3

S5

A1 13 23 L1 L3

14 24

K1

RESET

41 L2

Y31 Y32

42

Y30

0 V 24 V

SPS

Y35

PSWZ-S

Y2

A2Y1

H

F2

K2

K3

M

K4

K1 K2 K3 K4

S0: Off-switch
S1: On-switch
S2/S4: E-STOP or safety gate switch

S3: Release

Switch operated

Gate open

Gate closed

NSG-D-2-314-01/02