COMPLEX SOLUTIONS
MADE SIMPLE
DEEP SEA ELECTRONICS
DSEEXTRA
®
DSE2548 LED expansion module
057-084
Author : Anthony Manton
DSE2548 relay output expansion module
Deep Sea Electronics Plc
Highfield House
Hunmanby
North Yorkshire
YO14 0PH
ENGLAND
Sales Tel: +44 (0) 1723 890099
Sales Fax: +44 (0) 1723 893303
E-mail : sales@Deepseaplc.com
Website : www.deepseaplc.com
DSE2548 relay output expansion module
© Deep Sea Electronics Plc
All rights reserved. No part of this publication may be reproduced in any material form (including
photocopying or storing in any medium by electronic means or other) without the written permission of
the copyright holder except in accordance with the provisions of the Copyright, Designs and Patents
Act 1988.
Applications for the copyright holder’s written permission to reproduce any part of this publication
should be addressed to Deep Sea Electronics Plc at the address above.
Any reference to trademarked product names used within this publication is owned by their respective
companies.
Deep Sea Electronics Plc reserves the right to change the contents of this document without prior
notice.
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1 BIBLIOGRAPHY .................................................................................................. 4
2 INTRODUCTION .................................................................................................. 4
3 SPECIFICATIONS ............................................................................................... 5
3.1 PART NUMBERING ................................................................................................................. 5
3.2 POWER SUPPLY ..................................................................................................................... 5
3.3 TERMINAL SPECIFICATION .................................................................................................. 5
3.4 DSENET® ................................................................................................................................. 6
3.5 DIMENSIONS ........................................................................................................................... 6
3.6 APPLICABLE STANDARDS ................................................................................................... 7
4 INSTALLATION ................................................................................................... 7
4.1 USER CONNECTIONS ............................................................................................................ 7
4.1.1 CONNECTOR A ................................................................................................................ 7
4.2 SCHEMATIC INTERCONNECTION DIAGRAM ...................................................................... 7
4.3 TYPICAL WIRING DIAGRAM .................................................................................................. 8
5 CONTROLS AND INDICATIONS ........................................................................ 9
5.1 LED INDICATIONS .................................................................................................................. 9
5.2 SOUNDER ................................................................................................................................ 9
5.3 PUSH BUTTON ........................................................................................................................ 9
5.4 ID SWITCH ............................................................................................................................. 10
6 FAULT DIAGNOSIS .......................................................................................... 11
7 MAINTENANCE, SPARES, REPAIR AND SERVICING ................................... 11
8 WARRANTY ...................................................................................................... 11
9 DISPOSAL ......................................................................................................... 11
9.1 WEEE (WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT) ..................................... 11
9.2 ROHS (RESTRICTION OF HAZARDOUS SUBSTANCES................................................... 11
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DSE PART
DESCRIPTION
1 BIBLIOGRAPHY
This document refers to and is reffered to by the following DSE publications which can be obtained
from the DSE website www.deepseaplc.com
057-074 7000 series operators manual
057-077 7000 series configuration software manual
2 INTRODUCTION
This document details the installation requirements of the DSE2548 LED expansion module part of
the DSEExtra® range of ancilliary modules.
DSE2548 LED expansion module is used in conjunction with compatible DSE controllers to provide
additional LED indication functionality. The LEDs are configured in the ‘host controller’, the DSE2548
module is not itself configured aside from the ‘ID switch’ detailed below.
For further details on configuring the ‘host controller’ you are referred to the relevant configuration
software manual.
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3 SPECIFICATIONS
3.1 PART NUMBERING
2548 - 001 - 00
Product type
DSE 2548
relay
expansion
module
At the time of this document production, there are no variants of this product and there have been no
revisions of the module hardware.
2548
3.2 POWER SUPPLY
Minimum supply voltage 8V continuous, 4V for up to 5 minutes.
Cranking dropouts Able to survive 0V for 50mS providing the supply was at least 10V before
the dropout and recovers to 5 volts afterwards.
Maximum supply voltage 35V continuous (protection to 60V)
Maximum operating
current
Maximum standby current 74mA at 12V, 35mA at 24V
112mA at 12V, 53mA at 24V
Conditions: All LED’s lit and sounder active.
Conditions:All LED’s off and sounder inactive.
3.3 TERMINAL SPECIFICATION
Connection type Screw terminal, rising clamp, no internal spring
Min cable size 0.5mm² (AWG 20)
Max cable size 2.5mm² (AWG 14)
Recommended cable
size
Refer to table below
Variant
Standard
product
Hardware revision
Revision 1
00
001
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3.4 DSENET®
DSEnet is the interconnection cable between the host controller and the expansion module(s) and
must not be connect to any device other than DSE equipment designed for connection to the DSEnet.
Cable type Two core screened twisted pair
Cable characteristic impedance
Recommended cable Belden 9841
Maximum cable length 1000m (1km) when using Belden 9841 or direct equivalent.
DSEnet topology Bus with no stubs (spurs)
DSEnet termination
Maximum expansion modules Refer to host controller documentation
NOTE : As a termination resistor is internally fitted to the host controller, the host controller
must be the ‘first’ unit on the DSEnet. A termination resistor MUST be fitted to the ‘last’ unit on
the DSEnet. See the section entitled‘Typical Wiring Diagram’ elsewhere in this manual for
details.
120Ω
Belden 9271
500m (0.5km) when using Belden 9271 or direct equivalent.
120Ω. Fitted internally to host controller. Must be fitted externally
to the ‘last’ expansion module by the customer .
3.5 DIMENSIONS
Overall size 180.0mm x 116.0mm x 42.7mm
(7.07” x 4.57” x 1.68”)
Mounting type Panel mounting
Panel cutout 154mm x 98mm
(6.06” x 3.86”)
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BS EN 60068
-2-1
BS EN 60068
-2-2
BS EN 60950
BS EN 61000
-6-
2
BS EN 61000
-6-
4
BS EN 60529
UL508
3.6 APPLICABLE STANDARDS
(Minimum temperature)
(Maximum temperature)
(Degrees of protection
provided by enclosures)
NEMA rating
In line with our policy of continual development, Deep Sea Electronics, reserve the right to change specification without notice.
-30°C (-22°F)
+70°C (158°F)
Safety of information technology equipment, including electrical business
equipment
EMC Generic Immunity Standard (Industrial)
EMC Generic Emission Standard (Industrial)
IP65 when mounted into panel with optional gasket
IP42 when mounted into panel WITHOUT gasket
Enclosure type 2 when mounted into panel WITHOUT gasket
Enclosure type 12 when mounted into panel with gasket
4 INSTALLATION
4.1 USER CONNECTIONS
4.1.1 CONNECTOR A
Terminal Function Recommended size
1 DC supply positive 1.0mm² (AWG 18)
2 DC supply negative 1.0mm² (AWG 18)
3 Screen DSEnet only
4 A 0.5mm² (AWG 20) DSEnet only
5 B 0.5mm² (AWG 20) DSEnet only
4.2 SCHEMATIC INTERCONNECTION DIAGRAM
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4.3 TYPICAL WIRING DIAGRAM
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Address Switch
Lamp test/alarm mute
5 CONTROLS AND INDICATIONS
5.1 LED INDICATIONS
Function Colour Action
Power on / Link lost RED Steady when DC supply is connected and data is being received
from the host controller.
Flashing when the DC supply is connected and the data connection
to the host controller is not operating.
Status 1-8 RED Lit when the corresponding channel is active
5.2 SOUNDER
The 2548 LED expansion module has an integral sounder, activated upon a signal from the ‘host
controller’. The controller will activate the sounder when an alarm becomes active and silence the
sounder when an alarm mute button (local or remote) is pressed.
5.3 PUSH BUTTON
Pressing the button will signal to the host controller that the button is
pressed. The controller will respond by lighting all LEDs on the 2548
module (lamp test) and silencing the sounder (alarm mute).
If configured to do so, the host controller will also perform a lamp test and
alarm mute function.
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5.4 ID SWITCH
The rotary ID switch is used to select the ‘Identification’ of the 2548 expansion module as the host
controller is capable of giving instructions to a number of 2548 expansion modules at the same time
(consult relevant modules instructions for further details on number of supported expansion units).
The switch (located at the rear of the module) should be operated using a small screwdriver and set to
match the required ID.
NOTE : The ID MUST be a unique number, different from the ID of any other 2548 module
connected to the host controller.
If two or more 2548 controllers are required to ‘mimic’ each other then they should be
configured with different IDs, and both configured the same in the host controller.
NOTE : The selection of the ID of other types of expansion modules WILL NOT interfere/clash
with the ID of the 2548. For instance if the 2548 is set to ID4, it is acceptable to have a different
type of expansion module (for instance 2130) set to ID4 also.
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Nature of problem
Suggest
ion
6 FAULT DIAGNOSIS
LEDs don’t activate on the 2548 module Ensure the host controller is correctly
configured to send signals to the 2548
Power LED indication does not illuminate Check polarity and size of the connected DC
supply are within the specifications of the
DSE2548
Power LED flashes This means the the communications link to the
host controller has been lost.
Check the connection of the DSEnet paying
particular attention to the cable type being used
and the positioning of the termination resistors.
7 MAINTENANCE, SPARES, REPAIR AND SERVICING
The DSE2548 is designed to be Fit and Forget. As such, there are no user serviceable parts. In the
case of malfunction you should contact your original equipment supplier (OEM).
8 WARRANTY
DSE provides limited warranty to the equipment purchaser at the point of sale. For full details of any
applicable warranty, you are referred to your original equipment supplier (OEM).
9 DISPOSAL
9.1 WEEE (WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT)
Directive 2002/96/EC
If you use electrical and electronic equipment you must store, collect, treat,
recycle and dispose of WEEE separately from your other waste.
9.2 ROHS (RESTRICTION OF HAZARDOUS SUBSTANCES
Directive 2002/95/EC:2006
To remove specified hazardous substances (Lead, Mercury, Hexavalent Chromium, Cadmium, PBB &
PBDE´s)
Exemption Note: Category 9. (Monitoring & Control Instruments) as defined in Annex 1B of the WEEE
directive will be exempt from the RoHS legislation. This was confirmed in the August 2005 UK´s
Department of Trade and Industry RoHS REGULATIONS Guide (Para 11).
Despite this exemption DSE has been carefully removing all non RoHS compliant components from
our supply chain and products.
When this is completed a Lead Free & RoHS compatible manufacturing process will be phased into
DSE production.
This is a process that is almost complete and is being phased through different product groups.
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