O P E R A T I N G I N S T R U C T I O N S
UE48-3OS
Safety relay
en
SICK AG • Erwin-Sick-Straße 1
D-79183 Waldkirch • www.sick.com
8010593/ZV47/2018-08-02 • REIPA/XX
Printed in Germany (2018-08) • All rights
reserved • Subject to change without notice
1
Scope
These operating instructions are only applica-
ble to the UE48-3OS safety relays with the
following entry on the type label in the field
Operating Instructions: 8010593
You will find the device’s date of manufacture
on the type label in the field Date Code in the
format yywwxxxx (yy = year, ww = calender
week, xxxx = serial number).
These operating instructions are original
operating instructions.
2
On safety
This chapter deals with your own safety and
the safety of the equipment operators.
=
Please read this chapter carefully before
working with the UE48-3OS or with the
machine protected by the UE48-3OS.
2.1
Qualified safety personnel
The UE48-3OS safety relay must only be
mounted, installed, commissioned and
checked by qualified safety personnel.
Qualified safety personnel are defined as
persons who …
•
have undergone the appropriate technical
training and
•
have been instructed by the responsible
machine operator in the operation of the
machine and the current valid safety
guidelines and
•
have access to the operating instructions of
the UE48-3OS safety relay and have read
and familiarised themselves with them.
2.2
Applications of the device
The UE48-3OS safety relay can be used:
•
in accordance with EN ISO 13
849 up to PL e
and category 4
•
in accordance with EN 62
061 to SILCL3
•
in accordance with IEC 61
508 up to SIL3
The actual performance level or SIL claim limit
achieved depends on the external circuit, the
design of the wiring, the selection of the
control switch and its placement on the
machine.
The UE48-3OS safety relay has been evaluated
to UL 508.
The related actuators on the machine or
system can be safely shut down using the
safety relay’s output signal switching contacts.
The UE48-3OS safety relay is used for:
•
electro-sensitive protective equipment (ESPE)
with monitored active output signal switching
device (OSSD): single-channel, dual-channel (in
accordance with EN 61
496-1), e.g. with the
following SICK devices: C2000, M2000, C4000,
M4000, S3000, S300
•
emergency stop pushbuttons (EN ISO 13
850):
single- or dual-channel, e.g. SICK ES21
•
safety interlocks (EN 1088): single- or dual-
channel, e.g. safety doors
•
safety circuits in accordance with EN 60
204-1,
e.g. for moving covers
•
and is suitable for connecting downstream of a
pressure mat as per EN 13
856, normally open,
in four-wire technology
2.3
Correct use
The UE48-3OS safety relay must be used only as
defined in section 2.2 “Applications of the device”.
It must be used only by qualified safety personnel
and only on the machine where it has been in-
stalled and initialised by qualified safety personnel
in accordance with the operating instructions. If
the device is used for any other purposes or modi-
fied in any way — also during mounting and instal-
lation — any warranty claim against SICK AG shall
become void.
2.4
General safety notes and protective
measures
Pay attention to the safety notes and
protective measures!
Please observe the following items in order
to ensure the correct use of the UE48-3OS
safety relay.
•
During the mounting, installation and
usage of the safety relay, observe the
standards and directives applicable in
your country.
•
The national/international rules and
regulations apply to the installation,
commissioning, use and periodic
technical inspection of the safety relay,
in particular:
– Machinery Directive
– Work Equipment Directive
– EMC directive
– the work safety regulations and safety
rules
•
Manufacturers and operators of the ma-
chine on which a safety relay is used are
responsible for obtaining and observing
all applicable safety regulations and
rules.
•
The tests must be carried out by qualified
safety personnel or specially qualified
and authorised personnel and must be
recorded and documented to ensure that
the tests can be reproduced and retraced
at any time by third parties.
•
The operating instructions must be made
available to the operator of the machine
where the UE48-3OS safety relay is used.
•
The machine operator is to be instructed
in the use of the device by qualified
safety personnel and must be instructed
to read the operating instructions.
3
Product description
3.1
Structure and operating principle
of the device
The inputs on the UE48-3OS safety relay are
prepared for the connection of the control
switches or safety sensors listed in section 2.2
“Applications of the device”. The three enable
current paths are designed as safe outputs.
3.2
Device functions
The actuation of the sensor or the entry into the
ESPE’s protective field results in the opening of
the enable current paths. Manual or automatic
reset as well as external device monitoring are to
be implemented using external wiring as required
(see 5.4 “Reset” and 5.5 “External device
In order to attain SIL3/PL e, connect the
external device monitoring!
In order to reach SIL3/PL e, an external
diagnosis with DC ≥ 99
% must be applied
(i.e. the external device monitoring must be
connected).
Please also read the notes in chapter 12
3.3
Status indicators
Display
Meaning
SUPPLY
Ν
Green Supply voltage active
K1
Ν
Green
Channel 1 switched
K2
Ν
Green
Channel 2 switched
4
Mounting
Mounting only with enclosure rating IP54
or better!
The safety relay is only allowed to be moun-
ted in the control cabinet. The control cabi-
net must at least comply with enclosure
rating IP54.
=
Mounting in accordance with EN 50
274.
=
The modules are located in a 22.5 mm wide
modular system for 35 mm mounting rails as
per EN 60
715.
5
Electrical installation
Note:
All external switching elements and their wiring
must withstand an ampacity, maximal short-circuit
load of I
max
= 1000 A (according to EN 60
947-5-1).
Switch the entire machine/system off
line!
•
The voltage supply must satisfy the regulations
for extra-low voltages with safe isolation (SELV,
PELV) for overvoltage category II as per
EN 60
664 and EN 50
178.
Note:
The basic insulation of the components connected
to the safety relay must match the highest voltage
connected to the safety relay.
All circuits (and if necessary other EDM) must then
also be designed for the highest voltage level.
•
All connections, wiring and cable runs must
comply with the required category as per
EN ISO 13
849 und EN 62
061 (e.g. cables laid
with protection, individually sheathed cable with
screen etc.).
•
To protect the contact outputs on the UE48-3OS
and to increase the service life, the loads
connected must be equipped with, e.g., varistors
and RC circuits. Please also note that the selec-
tion of the arc suppression can increase the
total response time of the safety function. For
installation in environments of overvoltage
category III, external protection elements must
be used.
•
The output signal switching devices and the
external device monitoring (EDM) must be wired
in the control cabinet.
•
To prevent the welding of the contacts on the
built-in relay, an overcurrent protection device
with short-circuit protection (duty class gG) in
accordance with the related usage category is to
be selected and integrated into the enable
current paths (see Fig. 2, fuse F2/F3/F4).
5.1
Pin assignments
Terminal
Description
A1
Voltage supply (+24 V DC)
A2
Voltage supply (0 V DC)
S11
+ Control voltage
S21
0 V control voltage
S12
+ Input circuit 1 (K1)
S31
+ Input circuit 2 (K2)
S22
– Input circuit 2 (K2)
S33
For reset circuit (complies S12)
S33–S34 Manual
Reset
S33–S35 Automatic
reset
13–14
Enable current path 1
23–24
Enable current path 2
33–34
Enable current path 3
5.2
Operating modes: ESPE
Single-channel operation
The output signal switching device on the ESPE is
connected to terminal S12. Wire jumpers are to be
connected between S21 and S22 as well as
between S31 and S33.
Dual-channel operation
One output signal switching device on the ESPE is
to be connected to S12, the second output signal
switching device to S31. S21–S22 are to be
connected using a wire jumper.
5.3
Operating modes: tactile sensors
Single-channel operation
The volt-free switching element on the safety
sensor is connected between S11 and S12. Wire
jumpers are to be connected between S33 and
S31 as well as between S21 and S22. (see Fig. 3).
Dual-channel operation
The two volt-free switching elements on the safety
sensor are to be connected between S11 and S12
or S21 and S22. A wire jumper is to be connected
between S11 and S31 (see Fig. 4 and Fig. 5).
5.4
Reset
Manual reset
The reset button (N/O contact) must be wired
between the terminals S33 and S34. The reset
button is to be installed outside the hazardous
area such that it cannot be pressed from inside
the hazardous area. When operating the reset
button, the operator must have full visual
command of the hazardous area. The reset is
monitored. For emergency switching off
applications, a manual reset is to be used.
Automatic reset
A wire jumper is to be connected between S33 and
S35.
5.5
External device monitoring
The external device monitoring for the actuators
integrated is only effective on reset. The connec-
tion of the N/C contacts for the contact elements
operated in series with the reset circuit provides
this external device monitoring.
6
Commissioning and regular
tests
Commissioning requires a thorough check
by qualified safety personnel!
Before you operate a system protected by
the safety relay for the first time, make sure
that the system is first checked and
released by qualified safety personnel.
=
Please read the notes in chapter 2 “On
=
Observe the relevant laws and national
regulations.
Check the hazardous area!
=
Ensure there is nobody in the hazardous
area before commissioning.
=
Secure the hazardous area against entry.
Regular inspection of the protective devices by
qualified safety personnel
=
Check the system following the inspection
intervals specified in the national rules and
regulations.
– Each safety application must be checked at
an interval specified by you.
– The effectiveness of the protective devices
must be checked daily by a specialist or by
authorised personnel.
=
If changes have been made to the machine or
the protective device, or the safety relay has
been changed or repaired, you must again
thoroughly check the entire safety application.
7
In the event of faults or
errors
Cease operation if the cause of the
malfunction has not been clearly
identified!
=
Stop the machine if you cannot clearly
identify or allocate the error and if you
cannot safely rectify the malfunction.
Complete function test after rectification
of fault!
=
After rectifying a fault, perform a
complete function test.
8
Disposal
Always dispose of serviceableness devices
in compliance with local/national rules and
regulations with respect to waste disposal.
9
Ordering information
Part
Part number
(type code)
UE48-3OS for 24 V AC/DC
with screw type terminals
6025089
(UE48-3OS2D2)
UE48-3OS for 24 V AC/DC
with removable terminals
6025097
(UE48-3OS3D2)
10 Compliance with EU
directives
UE48-3OS, Safety relay
SICK AG, Erwin-Sick-Straße 1, D-79183
Waldkirch
You can call up the EU declaration of confor-
mity and the current operating instructions by
entering the part number in the search field at
www.sick.com (part number: see the type label
entry in the “Ident. no.” field).
Direct link to EU declaration of conformity:
www.sick.com/9091706
The undersigned, representing the manufac-
turer, herewith declares that the product is in
conformity with the provisions of the following
EU directive(s) (including all applicable amend-
ments), and that the standards and/or techni-
cal specifications stated in the EU declaration
of conformity have been used as a basis for
this.
•
MACHINERY DIRECTIVE 2006/42/EC
•
EMC DIRECTIVE 2014/30/EU
•
ROHS DIRECTIVE 2011/65/EU
Waldkirch: 2018-07-10
ppa. Walter Reithofer
Vice President R&D
(GBC Industrial Safety)
authorized for technical
documentation
ppa. Birgit Knobloch
Vice President
Operations
(GBC Industrial
Safety)
Notified body: No. 0340, DGUV Test, Prüf- und
Zertifizierungsstelle Elektrotechnik, Gustav-
Heinemann-Ufer 130, 50968 Köln
EC type-examination: ET 16022
