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ABB i-bus® KNX
User Operation – Design Ranges –
Millenium

Transponder Reader, Millenium
The “transponder reader” is a flush-mounting device for British Standard wall boxes, de-
signed to realize access control systems with a communication support based on KNX bus.
It is equipped with one relay (4A @24 V AC/DC) and one input to be used for connecting ex-
ternal conventional card-holder (e.g. Millenium wiring accessories card-holder). The output
can be programmed in three different ways: “Linked to access control”, receiving in this case
TR/U 1.1 switching commands from the device itself (according to transponder card validation); be-
ing a standard KNX Switch actuator output, able to be controlled by every KNX-standard de-
vices; “linked to card-holder”, that means that the relay is switched according to closing/
opening internal input contact available on transponder reader. The bicolor (red-green) LED
placed on the front of the device allow you to monitor device operation and can be also
switched ON/OFF in the proper color according to KNX telegram (for example for DND/MUR
purposes).
The transponder reader requires a 12...24 V AC/DC external power supply to ensure its oper-
ation even with bus voltage failure.
The transponder reader is available for ABB Millenium wiring accessories range.

Description Mod. Order details Price Weight Pack
width 1 piece 1 piece unit
Type code Order code kg pc.
– TR/U 1.1 2CSY235683R2001 0.050 1

Transponder Holder, Millenium
The “transponder holder” is a flush-mounting device for British Standard wall boxes, de-
signed to realize access control systems with a communication support based on KNX bus.
It is equipped with one relay (4A @24V AC/DC) and one binary input to be used for connect-
ing external conventional push-button for switch, dimmer and shutter functionalities, or for
example for connecting window contact or similar. The output can be programmed as
TH/U 1.1 “Linked to access control”, receiving in this case switching commands from the device itself
(according to card insertion/removal); or being a standard KNX Switch actuator output, able
to be controlled by every KNX-standard devices. The bicolor (red-green) LED placed on the 14
front of the device allow you to monitor device operation and can be also switched ON/OFF
in the proper color according to KNX.
The transponder reader requires a 12...24 V AC/DC external power supply to ensure its oper-
ation even with bus voltage failure.
The transponder reader is available for ABB Millenium wiring accessories range.

Description Mod. Order details Price Weight Pack
width 1 piece 1 piece unit
Type code Order code kg pc.
– TH/U 1.1 2CSY265232R2021 0.018 1