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TAC Xenta Programmable Controllers Overview
Controllers
I/O modules
Device
Xenta
281
Xenta
282
Xenta
283
Xenta
301
Xenta
302
Xenta
401
Xenta
411/412
Xenta
421A/422A
Xenta
451A/452A
Xenta
471
Xenta
491/492
Usage
Small installations
Medium size
installations
Large
instal-
lations
I/O extension
I/O points
12
16
12
20
20
10
9
10
8
8
Digital Inputs, DI
2
2
2
4
4
10
4
Thermistor Inputs, TI
2
4
4
4
Universal Inputs, UI
4
4
4
4
8
Analog Inputs, AI
8
Digital Outputs Relay, DO 3
4
6
4
5
Digital Outputs Triac, DO
6
Analog Outputs, AO
3
4
2
4
2
8
Number of I/O modules
2
2
10
L
ON
W
ORKS
®
variables
Number of input SVNTs
15
15
15
15
15
125
Yes (1)
Yes (1)
Number of output SVNTs
30
30
30
30
30
125
Yes (1)
Yes (1)
1. The I/O points and configuration of these modules can be accessed via SNVTs.