TAC Xenta 400 Series, Manual

Page: 21 / 48

TAC Xenta, TAC Xenta® 400 I/O Modules 3 Technical Description
TAC AB, Dec 2004 21 (48)
0-004-7771-3 (EN)
Technical data TAC Xenta 421 and 422
Supply voltage (G, G0) .................................24 V AC ±20%, 50/60 Hz
or .......................................................................... 19–40 V DC
Power consumption ................................................................. max. 2 W
Transformer sizing .........................................................................5 VA
Digital inputs (X1–X4):
Quantity..........................................................................................4
Voltage across open contact.............................................. 33 V DC
Current through closed contact ...............................................4 mA
Pulse input duration (TAC Menta CNT block)..............min. 20 ms
Digital outputs (K1–K5):
Quantity..........................................................................................5
Control voltage, relay output
............................... protected by a max. 10 A fuse, 230 V AC
Control current ...................................................................max 2 A
Pulse length (TAC Menta DOPU block) .........................min. 0.5 s
LED digital input status indicators (TAC Xenta 422 only):
Quantity..........................................................................................4
Color.................................red or green, selected with a DIP switch
Manual override for digital outputs (TAC Xenta 422 only):
Quantity..........................................................................................5
Switch positions .................................................. ON, AUTO, OFF
Indicators for Auto output status.................................. green LEDs
Ambient temperature TAC Xenta 421XT and 422XT:
Storage and Operation........... –20 °C to +70 °C (–4 °F to +158 °F)
Humidity ........................................max. 90 % RH non condensing