The CDH8U5 is an intelligent LCM providing connections for multiple
luminaires*, up to 5 presence detectors and up to 10 SELV inputs. Provision
is made for 7 switched live outputs plus one volt-free power output. The unit
features a switched output for Maintained Live to allow initiation of
Emergency Lighting Test. In addition, the unit is provided with a volt-free
signalling output to provide control of / interface to other equipment. The
CDH8U5 is designed to simplify installation whilst providing an intelligent
managed lighting system.
*Note: Refer to the Technical Data section for the maximum allowable number
of luminaires.
Fixing
The CDH8U5 should be mounted in an enclosure with a DIN-rail.
Consideration should be given to access for installation and maintenance
when selecting the enclosure and location. The external enclosure DIN-rail
should comply with EN 60715.
L
Loads on Channel 1
Ballast
Dimming
Ballast
Dimming
E
L
N
D
D
E
L
N
D
D
EE
NN
L1
Note: + and relevant for
analogue
versions only.
MAINSINPUT
N
DIMMINGCHANNELSCOMMS BUS
B A B A B A B AB A
B COM A B COM A
12 11 10 9 854 3 2 1
SWITCHEDLIVEOUTPUTSVOLT FREE CHANNELS
L
5
43211 21 2
SELV SWITCH INPUTSDETECTOR PORTS
B COM A
5
7 7
3
6
421
87
6
B COM A
B COM A
5
4 3 2 1
8
ML
LIVE
N/C COM N/O
AUX 1
As shown above, one or more luminaires may be connected to each channel
of the CDH8U5.
Note: For the maximum number of allowable ballasts, refer to Technical
Data section.
Electrical Connections
The connections to this equipment should be made only by a suitably
qualified person and in accordance with the current wiring regulations.
A means of disconnection must be incorporated in the fixed mains
wiring to this box in accordance with the current wiring regulations.
All the connections should be routed ensuring adequate strain relief on the
cable before termination to the unit’s pluggable connectors.
CAUTION: DO NOT CONNECT MAINS TO THE MLS BUS OR DIMMING
OUTPUTS.
N
E
L
2
MAINS INPUT
N
3
4
DIMMING CHANNELS
1
L
5
7
6
Connecting the Luminaires
Variants of the CDH8U5 are provided to control DSI, DALI and 1-10V ballasts.
(See Part Numbers section for more details.)
Note: Dimming Ballast types CANNOT BE MIXED on a single CDH8U5.
The CDH8U5 is equipped with 8 two-wire pluggable terminals for dimming
outputs and 4 two-wire pluggable terminals are provided for switched live
outputs. Switched Live Outputs 1 through 6 are grouped in pairs on a single
plug to add mechanical strength for plugging/unplugging. Switched Live
Output 7 has two terminals for connecting the load.
Connecting Switched Live Output
L
EE
Ballast
E
L
N
NN
L1
MAINSINPUT
N
DIMMINGCHANNELSCOMMS BUS
B A B A B A B AB A
B COM A B COM A
12 11 10 9 854 3 2 1
SWITCHEDLIVEOUTPUTSVOLT FREE CHANNELS
L
5
43211 21 2
SELV SWITCH INPUTSDETECTOR PORTS
B COM A
5
7 7
3
6
421
87
6
B COM A
B COM A
5
4 3 2 1
8
ML
LIVE
N/C COM N/O
AUX 1
The CDH8U5 has 7 switched live outputs. As shown in the diagram, the
Neutral and Earth connections should be taken directly to the load.
Each Switched Live output is rated for a load of up to 6A, with a total maximum
switched live load not exceeding 16A for the unit.
Output 8 is provided as a volt-free style for extra flexibility.
Connecting Volt Free and Maintained Live Output
Maintained
Output
Switched Live
MAINSINPUT
L
N
3
4
211212
DIMMINGCHANNELSMLS
SWITCHED LIVE OUTPUTSVOLTFREECHANNELS
5
5
3
7
6
6
421
8
77
External
Shorting
Links
8
LIVEML
Note: Earth and Neutral are connected directly to the luminaire and not
routed through the CDH8U5.
Internal Link
B A B A B A B AB A
12 11 10 9 8
SELV SWITCH INPUTSDETECTOR PORTS
B COM A B COM A
5
B COM A
B COM A
4321
B COM A
5
4321
N/C COM N/O
AUX 1
The CDH8U5 provides a 5-way terminal block for connecting mains rated Volt
Free load and Maintained Live output. For wiring convenience, the middle
terminal of the 5-way block is internally linked to the Mains Live input as
shown.
-2-
Page 3
Switched Live
Live in from
same Phase
External
Shorting
Connecting Switches with High Density Connector
Maintained
Output
Link
MAINSINPUT
L
N
5
3
4
211212
DIMMINGCHANNELSMLS
SWITCHED LIVE OUTPUTSVOLTFREECHANNELS
5
3
421
7
8
6
77
6
8
LIVEML
Internal Link
B A B A B A B AB A
12 11 10 9 8
SELV SWITCH INPUTSDETECTOR PORTS
B COM A B COM A
5
4321
B COM A
B COM A
B COM A
5
4321
N/C COM N/O
AUX 1
The diagram above shows Maintained Live generated from the internal link of
the mains supplied to the unit. Alternatively, the external shorting link can be
removed and an external supply (from the same phase) can be connected to
create a Maintained Output.
Connecting Presence Detectors
The following SELV detectors are designed to interface to the CDH8U5:
MLS2500CDRCorner-mount Microwave presence detector with
photocell, semi-flush mounted. Available with surface
mount (SM suffix).
MLS2401CDR360° Microwave presence detector with photocell, flush
mounted. Available in surface mount version (SM suffix).
MLS2001CDR360° PIR presence detector with photocell, flush mounted.
Available in surface mount version (SM suffix).
MLSM2002CDR Controller for a 360° PIR detector with photocell. Used
with the DHS OR DHW mini-head to form an integral
luminaire-mounted unit.
Each connects to the CDH8U5 by means of an Ethernet-style RJ45 connector
terminated patch lead which are available ready-made in 3m, 5m and 10m
lengths. Up to five detectors may be connected to a CDH8U5.
Positioning Presence Detectors
For information on installing and positioning detectors, please refer to the
installation instructions provided with the particular detector.
The CDH8U5 also has provision to connect 5 additional SELV switch inputs in
order to meet the requirement of additional inputs. Unlike the 3-pole connector,
this provides two terminals A&B for each of the 5 inputs. The high density input
plug (not supplied) can be ordered using the code CDHHDIP.
Note: For the switches on the High Density Connector (SW 8-12) use any of the
‘C’ common connectors from switches 1-5.
Wiring for HD SELV Input:
B AB AB AB AB A
12111098
SELVSWITCHINPUTSDETECTOR PORTS
B COM AB COM A
5
4321
B COM A
B COM A
B COM A
5
4321
N/C COM N/O
AUX 1
For HD switches 8-12, use any of the ‘COM’ connections from switch inputs 1-5.
Connecting SELV Output, Aux 1
The CDH8U5 has a single SELV change-over output for signalling purposes
only. This can be used to signal an external system e.g. BMS. Connection is
made via a 3-pole pluggable terminal block (supplied) of the same type used for
SELV inputs 1-5 (CDHIP).
MAINS INPUT
L
N
3
4
211 21 2
DIMMING CHANNELSCOMMS BUS
SWITCHED LIVE OUTPUTSVOLT FREE CHANNELS
5
5
3
7
6
6
421
8
7 7
8
LIVE ML
Connecting Switches
The CDH8U5 is equipped with SELV switch inputs which will typically be two
way, centre off, momentary rockers,(e.g. the MK K4900 range). The logical
function of a switch can be configured from a wide range of options and its
action can be associated with any combination of channels. The switch
connection consists of a 3-pole pluggable terminal block comprising a
common and two returns from normally open contacts. Six plugs are provided
with each CDH8U5. The plug type is common with the Aux output channel.
Additional plugs can be ordered using the code CDHIP (5 pieces per pack).
Note that if the SELV status of any one of the switches
is compromised by reason of inadequate insulation or
segregation of the cabling, then the SELV status of all
other switches AND OF THE DETECTORS will also be
compromised.
A
Com
B
The recommended cable for use with the SELV switches is 3-core 300/500v
0.75mm² cable to CMA Reference 3183Y or for LS0H, to CMA Reference
3183B. The maximum allowable cable length between the switch
mechanism and the CDH8U5 terminal block is 100m.
Three separate single wires should not be used.
B A B A B A B AB A
12 11 10 9 8
SELV SWITCH INPUTSDETECTORPORTS
B COM A B COM A
5
4321
B COM A
B COM A
B COM A
5
4321
N/CCOMN/O
AUX 1
External BMS
Signal In
24V AC/DC
Note: The external voltage connected to Aux 1 must never exceed 24V
AC/DC. The SELV Output must be used only for signalling purposes.
Maximum current shall not exceed 1A.
Connecting the Communications Bus (MLS)
It is imperative that the MLS Bus be wired in the correct type of cable. Normally
it should be 1.5mm unscreened twisted pair. See Application Note AN4001.
2
Do not connect Mains to the MLS Bus.
MAINS INPUT
L
N
3
4
211212
DIMMING CHANNELS
SWITCHED LIVEOUTPUTSVOLT FREE CHANNELS
5
5
3
7
6
InIn
6
421
8
OutOut
77
COMMSBUS
8
LIVE ML
MLS Bus 1MLS Bus 2
For connection of Bus Power Supply variants, see also Supplementary
Installation Instructions W5071.
W5054E
-3-
Page 4
Commissioning
SELV Switch OptionsDescription
SustainCaus es ass igned channels to act as if an occupancy detector continues to detect occupancy
Brighten Rais es light level. Works onl y with dim mable ballas ts
DimLowers light level. Works only with dimm able ballas ts
OffTurns lamp OFF
Scene 01..06Recalls Scene as signed (any sce ne 01 to 06 as configured)
OnTurns lamp ON
PartitionInitiates logical partition of a room . Refer to AN4002 for more details
OneSwitch
Simple mome ntary pus h-to-m ake wallswitch that can be used to rais e or lower the lighting level or toggle the output of
the unit ON or OFF. Short press toggles output level between ON & OFF, long pres s will ram p the light level Up or Down.
On-DimShort Pres s will turn the output ON, long press will lo wer the light level
Off-BrightenShort Press will turn the output OFF, long pre ss will raise the light level
On-BrightenShort Press will turn the output ON, long pres s will raise the light level
Off-DimShort Pres s will turn the output OFF, long press will lower the light level
Emergency TstInitiates manual test of em ergency luminaire by turning OFF the Maintained Live
Emergency EndRes tores Maintaine d Live to end the Emerg ency Tes t
User may choose any option for Switch A or Switch B from following:
Sustain / Brighten / Dim / Off / Scene 01..06 / On / Partition / OneSwitch / On-Dim / Off-Brighten / On-Brighten / Off-Dim /
Emergency Test / Emergency End (See se parate table for detailed description of Switch Input options)
Detector 1-5: RangeMax 100%, Max 75%, Max 50%
High 100%, High 75%, High 50%
Med 100%, Med 75%, Med 50%
Low 100%, Low 75%, Low 50%
Min 100%, Min 75%
The LCM is commissioned using a dedicated programme running on a Windows-based computer. Commissioning settings may then be directly uploaded from
the computer to the LCM or transferred to an HP2000 hand-held programmer for easy upload on site.
Communication from the PC can be by means of a USB infrared transceiver which can signal directly to the LCM’s on-board infrared port over a short range or via
any attached presence detector from beneath (range: 1-3m).
The main parameters for configuration are tabulated below. These parameters may be re-programmed any number of times and all settings will be retained in
the event of a power loss.
Description of Switch Input Options:
-4-
Page 5
Product Applications
The CDH8U5 may be used in various different applications, e.g. warehouse, school, hospital, hotel. For more details on the differing applications, please refer to
Application Note AN4027.
Connections
Aux 1
Detectors
Volt-free
Channels
Comms
Bus (MLS)
Switched
Live Outputs
Mains
Input
Dimming
Channels
High Density
Additional
Switches
Additional
Switches
Switches
1-3
Technical Data
Operational supply:230VAC ~50Hz/60Hz
Power consumption:18W maximum
Product rating & recommended circuit protection: 16A or 20A MCB
Maximum switched live load (per channel):6A
Max total switched live load:16A
Digital dimming ballasts per channel:10 maximum
Digital dimming ballasts per LCM:40 maximum
1-10V dimming ballasts per channel: 20mA (sinking only). See manufacturer's specification: worst case 10 Ballasts but Philips HF-R, for example,
20 Ballasts. Observe switched live load limit above.
Maintained live output: 6A
VF output:6A
SELV output:1A @ 24V AC/DC
Mains supply terminal capacity: 2x2.5mm² or 1x4mm²
Mains switched live output connection: 1x2.5mm² or 1x4mm²
Override switch input connector: 2.5mm²
MLS bus connector:2.5mm²
MLS bus cable:1.5mm² unscreened twisted pair: see Application Note AN4001
Case material:Self-extinguishing blend PC/ABS
Case finish:Gray RAL 7035
IP rating:20
Dimensions
Width (W) = 213 mm
Height(H) = 62 mm
Depth(D) = 91 mm
Weight= 0.62kg approx
62mm
13mm
9 m1
m
2
Enclosure
An enclosure (K5612S MAG) is available for this product. It provides integral connection bars fitted with link.
It features a robust base together with an all-over front cover and moulded lid in an impact-resistant, flame-retardant thermoplastic.
Cable entry points are located on top, bottom, side and rear surfaces.
Colour:Magnolia
Dimensions:306mm x 230mm x 110mm
Protection:BS EN 60529 to IP2XC
-5-
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Page 7
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Page 8
Part Numbers
Programmable Intelligent Lighting Control Modules (LCM):
CDH8U58-Channel LCM
CDH8U5-A8-Channel LCM - Analogue Dimming
CDH8U5-D
CDH8U5-DALI
CDH8U5-B
CDH8U5-BA8-Channel LCM with MLS Bus - Analogue Dimming
CDH8U5-BD8-Channel LCM with MLS Bus - DSI Dimming
CDH8U5-BDALI8-Channel LCM with MLS Bus - DALI Dimming
CDH8U5-BAWL*8-Channel LCM with MLS Bus, Wireless-switch enabled - Analogue Dimming
CDH8U5-BDWL*8-Channel LCM with MLS Bus, Wireless-switch enabled - DSI Dimming
CDH8U5-BDALIWL*8-Channel LCM with MLS Bus, Wireless-switch enabled - DALI Dimming
CDH8U5-RB8-Channel LCM with MLS Bus Power Supply Unit
CDH8U5-RBA8-Channel LCM with MLS Bus Power Supply Unit - Analogue Dimming
CDH8U5-RBD8-Channel LCM with MLS Bus Power Supply Unit - DSI Dimming
CDH8U5-RBDALI8-Channel LCM with MLS Bus Power Supply Unit - DALI Dimming
CDH8U5-RBAWL*8-Channel LCM with MLS Bus Power Supply Unit, Wireless-switch enabled - Analogue Dimming
CDH8U5-RBDWL*8-Channel LCM with MLS Bus Power Supply Unit, Wireless-switch enabled - DSI Dimming
CDH8U5-RBDALIWL* 8-Channel LCM with MLS Bus Power Supply Unit, Wireless-switch enabled - DALI Dimming
Plug-in Cards:
CDHDCPlug-in Digital Dimming Card
CDHACPlug-in Analogue Dimming Card
CDHBCPlug-in MLS Bus Interface
CDHRBPlug-in MLS Bus Power Supply Unit
CDHWL*Plug-in Wireless Enocean Card
Presence Detectors with photocell:
MLS2500CDRCorner-mount Microwave, semi-flush mounted
MLS2500CDRSMCorner-mount Microwave, surface mounted
MLS2401CDR360° Microwave, flush mounted
MLS2401CDRSM360° Microwave, surface mounted
MLS2001CDR360° PIR, flush mounted
MLS2001CDRSM360° PIR, surface mounted
MLSM2002CDRControl Module for integration within luminaire
DHS360° PIR detector for use with MLSM2002CDR - silver bezel
DHW360° PIR detector for use with MLSM2002CDR - white bezel
DHFK-SFlush-mounting Kit for integral detector (DHS) - silver
DHFK-WFlush-mounting Kit for integral detector (DHW) - white
Detector Patch Leads:
BT5E030GY3m Patch Lead
BT5E050GY5m Patch Lead
BT5E100GY10m Patch Lead
Connectors:
CDHHDIP10-way Plug - green - SELV switch input (1 piece)
CDHDOP2-way Plug - blue - dimming outputs (2 pieces)
CDHSLOP2-way Plug - black - switched live outputs (2 pieces)
CDHIP3-way Plug - green - SELV switch inputs and auxiliary relay (5 pieces)
CDHBUSP4-way Plug - red - MLS (1 piece)
CDH8VFP5-way Plug - black - volt-free channels (1 piece)
CDHMIP3-way Plug - black - mains input (1 piece)
Ancillary Items:
UIRD1USB Programming Dongle
RB2000MLS Digital Bus Power Supply
RB2000LTMLS Digital Bus Power Supply ‘Lite’
K5612S MAGEnclosure
8-Channel LCM - DSI Dimming
8-Channel LCM - DALI Dimming
8-Channel LCM with MLS Bus
* Planned - please contact Sales Department for latest information
At the end of their useful life
the packaging and product
should be disposed of via a
suitable recycling centre.
Do not dispose of with normal
household waste.
Do not burn.
W5054E
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