IntesisBox
®
IBOX-KNX-DSC4020
Datasheet r1 eng
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his information is subject to change without notice
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1. IntesisBox
®
capacity
Element
Max. Notes
DSC MAXSYS PC4020 partitions 8
Maximum number of DSC MAXSYS PC4020 partitions
DSC MAXSYS PC4020 Zones
(Nr of partitions x 16 Zones)
128*
Maximum number of DSC MAXSYS PC4020 zones
Main Group Address 2011
Total number of KNX Groups that can be used in
Listening Group Addresses 750
Total number of KNX Groups that can be used as
Listening Group Addresses per
255
Total number of listening addresses that can be
associated to a KNX Group.
*This is the maximum number of zones available using hardwire,wireless modules and addressable zones. This
components are supplied by DSC.
2. KNX Interface
Bus coupler
Internal KNX TP1 (EIB) opto-isolated bus coupler unit for direct connection to EIB bus.
Connector: 2 poles plug-in screw terminal block.
• Physical address.
Interactivity with
KNX/EIB system
• The points can be read from KNX. Configurable individually per point.
• The points can be written from KNX. Configurable individually per point.
• A write request can be sent to KNX following a change in the point’s value. Configurable
individually per point.
• The point value can be updated with a read request sent to KNX when IntesisBox starts up or
after bus reset detection. Configurable individually per point.
• Multiple KNX group addresses can actuate on the same IntesisBox’s point.
Configuration
parameters per point
• Point description. Useful to identify the point’s location into the Modbus system.
• Active (Yes/No). Useful to deactivate points maintaining the configuration for later use.
KNX/EIB related fields.
• Group address (in format P/I/S or P/S). Is the sending group address.
• Listening addresses (in format P/I/S or P/S separated by comma). The gateway will listen for write
requests for these listening addresses, when received then it will act as if they were for the main
group address defined. This is very useful to translate actions to the Modbus system coming from
different KNX commands, for example from an individual start/stop button and also from a general
start/stop button.
Up to 1000 listening addresses can be defined in total. Up to 255 listening addresses can be
defined per point.
• R. Specifies if the point accepts read requests from KNX.
• W. Specifies if the point accepts write requests from KNX.
• T. Specifies if a write request will be sent to KNX when the point’s value changes.
• U. Specifies if the point’s value must be updated with a read request sent to KNX when the
gateway starts up or after a bus reset detection. If U is specified in this field, the read request will
be of the main group address. If U2 is specified in this field, the read request will be of the first
listening address defined.
• EIS (Datapoint). See EIS supported below.
The configuration of this part must be done in co-operation with the engineer in
charge of setting up the whole KNX system. Some of the data to introduce in this
part must be supplied by the KNX engineer.
KNXEIS (Datapoints)
supported
• Switching (1 bit).
•
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