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SE-SRT SERIES
INSTRUCTION MANUAL

GENERAL INFORMATION

The SE-SRT connection box facilitates the connection and use of the
SE4T-L MUTING and SE4-R safety light curtains.
The device externally presents:
- A key-switch for override function.
- A TEST/START push-button for the activation of the Test, Restart,
Reset .
The connection box contains:
• Extractable clamps for
- Receiving unit connection (J1)
- Emitting unit connection (J2)
- Power supply connection to 24V (J3)
- Relay output connection (J4)
- External control unit connection (precabled).
• Two RLY1 and RLY2 relay outputs each with two N.O. open contacts.
Use both relays to guarantee the safety function.
The use of one single relay can reduce the system's safety
degree.
K11 K12 + K21 K22
The SE-SRT connection box allows to manage directly the following
functions, without the need to carry-out other operations:
FUNCTION
TEST
RESTART
RESET
EDM
OVERRIDE
For more information please refer to the instruction manual of the SE4T-
L MUTING and SE4-R series.
The connection box uses 2 force-guided contact relays.
The use of these relays within the given specifications is recommended,
even if the manufacturer specifies the use of these relays for voltage
and currents superior to these values.
To guarantee the correct isolation and avoid damage as well as
premature ageing, each line has to be protected using a delayed 6A
fuse and the load characteristics have to conform with the following
indications:
K11 K12 + K13 K14
Max. switching voltage:
Max. switching current:
FUNCTIONS
USING
PROCEDURE
TEST/START
Press push-button for at least 0.5 sec.
push-button
Press push-button for at least 0.5 sec. if
TEST/START
manual reset function has been selected
push-button
using the dip-switches of the RX unit.
TEST/START
Press push-button for at least 5 sec. if
push-button
device presents functioning irregularity.
The control is active if the function has
Precabled
been selected using the dip-switches of
the RX unit.
Switch the key selector kept the position
. It can be possible to enable the function
under certain condition only (refer to the
instruction
manual
of
the
.
MUTING and SE4-R series
Note 1: When Override function is
active, the external Muting signalling
Key-switch +
device blinks to indicate the exclusion of
TEST/START
the safety device.
push-button
Note 2: The maximum duration of the
Override function is 120 sec., after which
the light curtain returns to normal
functioning even if key selector is kept
pressed.
If the key selector is released before the
maximum period, the Override function is
immediately deactivated.

RELAY SPECIFICATIONS

250 Vac
2 A
INSTALLATION
Wall mounting is possible using the internal slots that can be accessed
opening the box and eliminating the screws necessary for the fixing of
the PCB.
ELECTRICAL CONNECTION:
SE4T-L
Connector
Pin
Description
1
24 Vdc
J1
2
GND
3
OSSD1
4
OSSD2
5
EDM
6
OVERRIDE 1
7
TEST/START
8
OVERRIDE 2
J2
1
24 Vdc
2
GND
J3
1
24 Vdc
2
GND
J4
1
K11
2
K12
3
K13
4
K14
5
K21
6
K22
7
K23
8
K24
J5
1
TEST/START push-button
2
TEST/START push-button
3
Key-switch
4
Key-switch
5
Key-switch
6
Key-switch
DECLARATION OF CONFORMITY
We DATASENSOR S.p.A. declare under our sole responsibility that these products are conform
to the 2004/108 CEE, 73/23 CEE Directives and successive amendments.
WARRANTY
DATASENSOR S.p.A. warrants its products to be free from defects.
DATASENSOR S.p.A. will repair or replace, free of charge, any product found to be defective
during the warranty period of 36 months from the manufacturing date.
This warranty does not cover damage or liability deriving from the improper application of
DATASENSOR products.
DATASENSOR S.p.A. Via Lavino 265
40050 Monte S. Pietro - Bologna - Italy
Tel: +39 051 6765611
Fax: +39 051 6759324
http://www.datasensor.com
DATASENSOR S.p.A. cares for the environment: 100% recycled paper.
DATASENSOR S.p.A. reserves the right to make modifications and improvements
without prior notification.
826002821 Rev.B
(RX unit)
(RX unit)
(RX unit)
(RX unit)
(RX unit)
(RX unit)
(RX unit)
(RX unit)
(TX unit)
(TX unit)
(External power supply)
(External power supply)
N.O. external contact #1, Relay 1
N.O. external contact #2, Relay 1
N.O. external contact #1, Relay 2
N.O. external contact #2, Relay 2
(precabled)
(precabled)
(precabled)
(precabled)
(precabled)
(precabled)