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TAC AB, 2003-07-01 0-004-7771-2 (GB), 21 (36)
TAC Xenta 400 I/O modules 3 Technical description
• Network Management Authentication = Off
• Pre-emption Timeout = Forever
• The inputs will be configured as voltage inputs.
Technical data TAC Xenta 471
Universal inputs (U1–U8):
Quantity ........................................................................................ 8
A/D-resolution ..................................................................... 12 bits
– as current input with an external power supply;
Input signal (terminals U–M) ....................................... 0/4–20 mA
Input resistance ..................................................................20 ohms
accuracy................................................................. within 0.02 mA
– as current input with an internal power supply;
Input signal (terminals 24 V DC–U) ............................... 4–20 mA
Input resistance ..................................................................20 ohms
accuracy................................................................. within 0.02 mA
Voltage .................................................................... 24 V DC ±2 V
Current limit, total value .............................................. 200 ±20 mA
– as Voltage input;
Input signal (terminals U–M) ........................... 0–1, 0/2–10 V DC
Input resistance .............................................................. 100 kohms
accuracy.................................................................... within 0.01 V
3.6 The TAC Xenta 491/492 Analog Output module
The modules have eight analog outputs.
Additionally, the TAC Xenta 492 has switches for manually controlling
the analog outputs.
Terminals (491, 492) and switches (492)
TAC Xenta 491/492 terminals and manual control of the TAC Xenta 492
8 Analog outputs:
Manual control
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
G G0 C1C2 Y1 M Y2 M Y3 M
Y4 M Y5 M Y6 M Y7 M Y8 M
AO
~ 0
24 V AC
(19-40 V DC)
}
Comm
}
AO
8 AO
TAC Xenta 492
MAN 1
AUTO
0-10V
MAN 2
AUTO
0-10V
MAN 3
AUTO
0-10V
MAN 4
AUTO
0-10V
MAN 5
AUTO
0-10V
MAN 6
AUTO
0-10V
MAN 7
AUTO
0-10V
MAN 8
AUTO
0-10V
Green LED