Pilz PZE X5V Data Sheet
Expander modules
Delayed
PZE X5V
Contact expander module for increasing the number of available contacts
Approvals
PZE X5V
Unit features
` Positive-guided relay outputs:
– 5 safety contacts (N/O), delay-on
de-energisation
` Cancellation of delay time
` LED indicator for:
– Switch status channel 1/2
– Supply voltage
` See order reference for unit types
Unit description
The unit meets the requirements of EN
60204-1 and IEC 60204-1. The contact expander module is used to
increase the number of contacts
available on a base unit. Base units are
all safety relays with feedback loop.
The category that can be achieved in
accordance with EN 954-1 depends
on the category of the base unit. The
contact expander module may not exceed this.
The delay-on de-energisation safety
contacts may only be used up to category 3.
Safety features
The unit meets the following safety requirements:
` The contact expander module ex-
pands an existing circuit. As the
output relays are monitored via the
base unit's feedback loop, the safety functions on the existing circuit
are transferred to the contact expander module.
` The safety function remains effecti-
ve in the case of a component failure.
` Earth fault in the feedback loop:
Detected, depending on the base
unit that is used.
` Earth fault in the input circuit:
The output relays de-energise and
the safety contacts open.
Block diagram
A1 A2 17 27 37
K1 K1 Y3 Y5UY4Y6K2U
Y1
~
Input
=
Power
Input
K1
K2
Y2
18 28 38
47
48
57
58
Pilz GmbH & Co. KG, Sichere Automation, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: pilz.gmbh@pilz.de
NSG-D-2-251-11/04
Expander modules
Delayed
PZE X5V
Function description ` Single-channel operation: one in-
put circuit affects both output relays
` Dual-channel operation:
Timing diagram
POWER
Input
Reset
Output safe
Feedback
t1 t1t2 t2
Key
` Power: Supply voltage
` Input: Input circuits K1-U-Y4-Y6,
K2-U-Y3-Y5
` c: Cancellation of delay time
` Output safe: Safety contacts 17-18,
27-28, 37-38, 47-48, 57-58
Wiring
– two redundant input circuits af-
fect one output relay
– Detection of shorts across con-
tacts is also possible
1
` Feedback: Feedback loop Y1-Y2
` t1: Switch-on delay
: Delay-on de-energisation
` t
2
Please note:
` Information given in the “Technical
details” must be followed.
` Outputs 17-18, 27-28, 37-38, 47-
48, 57-58 are delay-on de-energisation safety contacts.
` To prevent contact welding, a fuse
should be connected before the
output contacts (see technical details).
` Calculation of the max. cable runs
in the input circuit:
l
max
R
lmax
=
I
max
Rl / km
= max. overall cable resi-
R
lmax
stance (see technical details)
/km = cable resistance/km
R
l
` Use copper wire that can withstand
60/75 °C.
` Sufficient fuse protection must be
provided on all output contacts with
capacitive and inductive loads.
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: pilz.gmbh@pilz.de
NSG-D-2-251-11/04Pilz GmbH & Co. KG, Sichere Automation, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
-2
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