O P E R A T I N G I N S T R U C T I O N S
The related actuators on the machine or system can be
safely shut down using the expansion module's output
signal switching contacts.
UE11 4DX
The UE11 4DX expansion module with delayed reactivation
current paths is used to expand the enable current paths on
basic devices with monitored input circuits, e.g. the
Safety relay expansion
UE43 2MF safety relay.
module
2.3
Correct use
en
The UE11 4DX expansion module must be used only as
defined in section 2.2 "Applications of the device".
SICK AG • Industrial Safety Systems
It must be used only by qualified safety personnel and only
Erwin Sick-Straße 1
on the machine where it has been installed and initialised
D-79183 Waldkirch • www.sick.com
by qualified safety personnel in accordance with the oper-
8009956/YR32/2016-02-24 • REIPA/XX
ating instructions. If the device is used for any other pur-
Printed in Germany (2016-02) • All rights reserved •
poses or modified in any way — also during mounting and
Subject to change without notice
installation — 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 en-
sure the correct use of the UE11 4DX expansion
module.
1
Scope
During the mounting, installation and usage of
the expansion module, observe the standards
These operating instructions are only applicable to the
and directives applicable in your country.
UE11 4DX safety relay expansion modules with one of
the following entries on the type label in the field
The national/international rules and regulations
Operating Instructions:
apply to the installation, commissioning, use and
periodic technical inspection of the expansion
8009956/YR32
module, in particular:
8009956/X758
– Machinery Directive
8009956/W810
– Work Equipment Directive
8009956/VO47
– EMC directive
8009956/TF67
– work safety regulations and safety rules
8009956
Manufacturers and operators of the machine on
You will find the device's date of manufacture on the
which a expansion module is used are respon-
type label in the field Date Code in the format yywwxxxx
sible for obtaining and observing all applicable
(yy = year, ww = calender week, xxxx = serial number).
safety regulations and rules.
These operating instructions are original operating
The tests must be carried out by qualified safety
instructions.
personnel or specially qualified and authorised
2
On safety
personnel and must be recorded and documen-
ted to ensure that the tests can be reproduced
This chapter deals with your own safety and the safety
and retraced at any time by third parties.
of the equipment operators.
The operating instructions must be made avail-
Please read this chapter carefully before working
able to the operator of the machine where the
with the UE11 4DX or with the machine protected by
UE11 4DX is used.
the UE11 4DX.
The machine operator is to be instructed in the
2.1
Qualified safety personnel
use of the device by qualified safety personnel
and must be instructed to read the operating
The UE11 4DX expansion module must only be
instructions.
installed, commissioned and serviced by qualified
safety personnel.
2.5
Environmental protection
Qualified safety personnel are defined as persons
who ...
Disposal of unusable or irreparable devices must always
occur in accordance with the applicable country-specific
have undergone the appropriate technical training
and
waste-disposal regulations (e.g. European Waste Code
16 02 14).
have been instructed by the responsible machine
operator in the operation of the machine and the
3
Product description
current valid safety guidelines and
have access to the operating instructions of the
3.1
Structure and operating principle of the
UE11 4DX expansion module and have read and
device
familiarised themselves with them.
The input on the UE11 4DX expansion module is prepared
2.2
Applications of the device
for the connection of UE10-series safety relays. The connec-
tion of the supply voltage to input A1-A2 via the enable cur-
The UE11 4DX expansion module can be used as per
rent path on an upstream basic device results in the delay-
the safety level described in the technical data.
ed de-energisation of the relay.
The actual performance level or SIL claim limit achie-
The enable current paths on the UE11 4DX are designed as
ved depends on the external circuit, the design of the
safe outputs. The signalling current paths and the feedback
wiring, the selection of the control switch and its place-
current path are not safe outputs.
ment on the machine.
The UE11 4DX expansion module has been evaluated
to UL 508.
3.2
Device functions
5.1
Opening of the enable current path on the basic device
Terminal
results in the delayed opening of the enable current paths
A1
on the UE11 4DX. It has the following reactivation delays
A2
(type dependent): 0.5 s, 1 s, 2 s, 3 s.
Y1–Y2
With the combination of UE11 4DX and a UE basic device,
stop category 1 (EN 60 204 1) can be realised.
The feedback current path (N/C contact) Y1-Y2 is used as
17–18
external device monitoring for the monitoring by the basic
device.
27–28
Connect external device monitoring
37–38
In order to reach at least safety level SIL2/PL d, an
external diagnosis with DC 60 ... 90 % must be
47–48
applied (i.e. the external device monitoring must be
connected).
55–56
Please also read the notes in chapter 11
"Application example".
65–66
3.3
Status indicators
Display
Meaning
6
K1
Green
Relay K1 active
K2
Green
Relay K2 active
Commissioning requires a thorough check by
4
Mounting
qualified safety personnel!
Before you operate a system protected by the
expansion module for the first time, make sure that
Mounting only with enclosure rating IP 54 or
the system is first checked and released by
better!
qualified safety personnel.
The expansion module is only allowed to be
mounted in the control cabinet. The control cabinet
must at least comply with enclosure rating IP 54.
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.
Check the hazardous area!
5
Electrical installation
Note:
All external switching elements and their wiring must
withstand an ampacity, maximal short-circuit load of
I
= 1000 A (according to EN 60947-5-1).
Regular inspection of the protective devices by qualified
max
safety personnel
Switch the entire machine/system off line!
Check the system following the inspection intervals
specified in the national rules and regulations.
The voltage supply must satisfy the regulations for extra-
– Each safety application must be checked at an interval
low voltages with safe isolation (SELV, PELV) for over-
specified by you.
voltage category II as per EN 60 664 and EN 50 178.
– The effectiveness of the protective devices must be
Note:
checked daily by a specialist or by authorised
For installation in environments of overvoltage cate-
personnel.
gory III, external protection elements must be used.
If changes have been made to the machine or the
All connections, wiring and cable runs must comply with
protective device, or the expansion module has been
the required category as per EN ISO 13 849 and
changed or repaired, you must again thoroughly check
EN 62 061 (e.g. cables laid with protection, individually
the entire safety application.
sheathed cable with screen etc.).
7
To protect the contact outputs on the UE11 4DX and to
increase the service life, the loads connected must be
equipped with, e.g., varistors and RC circuits. Please also
Cease operation if the cause of the malfunction
has not been clearly identified!
note that the selection of the arc suppression can in-
crease 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.
Complete function test after rectification of
To prevent the welding of the contacts on the built-in
fault!
relay, an overcurrent protection device with max. 6 A
short-circuit protection (duty class gG) is to be integrated
into the enable current paths (see Fig. 2, fuse
F3/F4/F5/F6).
8
Ordering information
Pin assignments
Description
All devices operate with 24 V DC
Voltage supply (+24 V DC)
Delay time
Voltage supply (0 V DC)
With screw type terminals
Feedback current path (for usage as
external device monitoring)
0.5 s
Enable current path 1, delayed
reactivation
1 s
Enable current path 2, delayed
reactivation
2 s
Enable current path 3, delayed
reactivation
3 s
Enable current path 4, delayed
reactivation
With removable terminals
Signalling current path (not safe),
0.5 s
delayed reactivation
Signalling current path 2 (not safe),
1 s
delayed reactivation
2 s
Commissioning and regular
tests
3 s
Please read the notes in chapter 2 "On safety".
Observe the relevant laws and national
regulations.
Ensure there is nobody in the hazardous area
before commissioning.
Secure the hazardous area against entry.
10
Internal circuitry
In the event of faults or errors
Fig. 1: Internal circuitry UE11 4DX
11
Application example
Stop the machine if you cannot clearly identify or
allocate the error and if you cannot safely rectify
the malfunction.
After rectifying a fault, perform a complete
function test.
Fig. 2: Example of dual-channel emergency switching off on basic device UE43 3MF with delayed reactivation
UE11 4DX expansion module. Manual reset with external device monitoring of the output circuits
9
Compliance with EU
directives
Part number
EU declaration of conformity (excerpt)
(type code)
The undersigned, representing the following manufac-
turer herewith declares that the product is in conformity
with the provisions of the following EU directive(s)
6024921
(including all applicable amendments), and that the
(UE11-4DX2D30.5)
respective standards and/or technical specifications
6024922
are taken as the basis.
(UE11-4DX2D31)
Complete EU declaration of conformity for download:
6024923
www.sick.com.
(UE11-4DX2D32)
6024924
(UE11-4DX2D33)
6024925
(UE11-4DX3D30.5)
6024926
(UE11-4DX3D31)
6024927
(UE11-4DX3D32)
6024928
(UE11-4DX3D33)