38 / 102
38
TAC Xenta 300 Base Unit
A compact, networkable, freely programmable controller which is L
ON
M
ARK
®
certified and has 20 fixed inputs and outputs. It can be expanded for up to
40 inputs/outputs using 2 expansion modules. Data can be directly accessed
on site using a TAC Xenta OP Operator Panel.
SPECIFICATIONS
Operating voltage . . . . . . . . . . . . . . . . . . 24 V AC/DC ±20%, 50/60 Hz
Power consumption . . . . . . . . . . . . . . . . . max. 5 W
Data backup in event of power failure . . . 72 h RAM-Backup
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 . . . . . . . . . . . . . . . 180 x 110 x 77mm
(7” x 4.3” x 3”)
Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . FTT-10, LonTalk
®
Transmission rate . . . . . . . . . . . . . . . . . . . 78 kbits/s
External L
ON
W
ORKS
®
data points
Input variable . . . . . . . . . . . . . . . . . . . . . . max. 15 SNVTs
Output variable . . . . . . . . . . . . . . . . . . . . max. 30 SNVTs
Interfaces
Serial connection . . . . . . . . . . . . . . . . . . . RS232, RJ45 for PC or modem
(up to 9600 bit/s)
Operator panel. . . . . . . . . . . . . . . . . . . . . Modular jack, LonTalk
®
Protocol
For further specifications, see technical data sheet.
DESCRIPTION
0-073-0009-2 TAC Xenta 301/N/P network- and PC-communication
0-073-0011-2 TAC Xenta 302/N/P network- and PC-communication
ACCESSORIES
0-073-0901-0 Terminal part TAC Xenta 280/300
0-073-0907-2 Operator terminal TAC Xenta OP
0-073-0920-0 TAC Xenta: Programming Serial Kit
Programmable Controllers
Unit
DI
DO UI
TI
AO
TAC Xenta 301
4
6
4
4
2
TAC Xenta 302
4
4
4
4
4
FUNCTIONAL FEATURES
•
Optimized for maximum flex-
ibility in HVAC control with on
board inputs and outputs
•
Fully programmable using the
intuitive TAC Menta program-
ming tool
•
Intelligent start time calcula-
tion minimizing energy usage
•
Designed for use in open
systems and integration via
LonWorks
•
Available in a range of models
to secure cost-efficiency for
each application
•
I/O points can be extended by
TAC Xenta 400 I/O modules
•
Designed to work with TAC
Vista