Datasheet

42
TAC Xenta 451A and 452A
Universal Input and Analog
Output Module
TAC Xenta 451A and 452A are Universal Input/Analog Output modules in
the TAC Xenta family. They can be used as normal Xenta I/O modules or as
certified LonMark
®
devices.
Both modules have eight universal inputs and two analog outputs. The
universal inputs can be used as digital, thermistor, current, or voltage inputs.
In addition, the TAC Xenta 452A is equipped with LED status indicators - one
for each universal input when used for digital inputs. There is also a manual
override for the analog output values. The LED colors, red or green, can be
selected individually by altering the parameter settings in the TAC Menta
®
graphical tool.
SPECIFICATIONS
Operating voltage . . . . . . . . . . . 24 V AC/DC ±20%, 50/60 Hz or
21.6-40 V DC
Power consumption . . . . . . . . . . max. 3 W
Ambient Temperature
Storage . . . . . . . . . . . . . . . . . . . . –20 °C to +50 °C (–4 °F to +122 °F)
Operation . . . . . . . . . . . . . . . . . 0 °C to +50 °C (+32 °F to +122 °F)
Humidity . . . . . . . . . . . . . . . . . . max. 90% RH non-condensing
Dimensions incl. base . . . . . . . . . 90 x 110 x 77mm (3.5” x 4.3” x 3”)
Protocol . . . . . . . . . . . . . . . . . . . FTT-10, LonTalk
®
Transmission rate . . . . . . . . . . . . 78 kbits/s
Universal inputs
Quantity . . . . . . . . . . . . . . . . . . 8
Duration of counting pulse . . . . . min. 80 ms
Indication . . . . . . . . . . . . . . . . . Status LEDs, red or green adjustable via
TAC Menta or manually
(TAC Xenta 452A)
As thermistor input . . . . . . . . . . NTC, 1800 ohm or 10 kohm at 25ºC
(77ºF)
As voltage input . . . . . . . . . . . . . 0 – 10 V DC
As current input . . . . . . . . . . . . . 0 (4) - 20 mA
Analog outputs
Quantity . . . . . . . . . . . . . . . . . . 2
Output signal . . . . . . . . . . . . . . . 0 – 10 V DC
Manual switch . . . . . . . . . . . . . . MAN, AUTO and Pot. 0 – 10 V
(TAC Xenta 452A)
For further specifications, see technical data sheet.
DESCRIPTION
0-073-0285-0 TAC Xenta 451A without LEDs, without manual switches
0-073-0286-0 TAC Xenta 452A with LEDs, with manual switches
0-073-0902-0 TAC Xenta 400 terminal part
Programmable Controllers
FUNCTIONAL FEATURES
• Universal inputs provide
installation flexibility
• Designed for TAC Vista and
open standard LonWorks
systems
• Perfect for distributed installa-
tions
• Manual override switches
provide local bypass operation
• Cost-effective installation and
maintenance using separate
terminal base and plug-in
electronic units
• Individually configurable using
the TAC Menta programming
tool