Page 4 (1 5 ) Vacon
I/ O-expander board installation (Vacon CXS-range)
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2 SPECIFICATION S
Safety Fulfills EN 5 0 17 8 , C-UL and EN 6 0 2 04 -1 standards
Control Analogue voltage, input 0 —± 1 0 V, R
i
≥ 2 00 kΩ
connections Analogue current, input 0 (4 )—2 0 mA, R
i
= 2 5 0 Ω
Digital input 2 4 V: "0 " ≤1 0 V, "1 " ≥18 V, R
i
> 5 kΩ
Aux. voltage 2 4 V (±2 0 %), max. 5 0 mA
Reference voltage 1 0 V ±3 %, max. 10 mA
Analogue current, output 0 (4 )—2 0 mA, R
L
= 5 0 0 Ω , resolution 10 bit, accuracy ≤± 2 %
Analogue voltage, output 0 (2 )—1 0 V, R
L
≥ 1 kΩ , resolution 1 0 bit, accuracy ≤±2 %
Relay output M ax. switching voltage: 3 0 0 V DC, 2 5 0 V AC
M ax. switching load: 8 A / 24 V DC
0 ,4 A / 3 0 0 V DC
2 kVA / 2 5 0 V AC
M ax. continuous load: 2 A rms
Thermistor input R
trip
= 4 .7 kΩ
Encoder input 2 4 V: "0 " ≤1 0 V, "1 " ≥1 8 V, R
i
= 2 .2 kΩ
5 V: "0" ≤ 2 V, "1 " ≥ 3 V, R
i
= 3 3 0 Ω
Table 2 -1 Specifications. (All the control connections are not found on every I/ O -expander board, for
specific information see Chapters 1 and 4 .)
The control connections are isolated from the mains potential and the I/ O ground is
connected to the frame of the inverter via a 1 -M Ω resistor and 4 ,7 -nF capacitor* ). The
control I/ O ground can be connected directly to the frame by changing the position of the
jumper X4 (G N D O N / O FF) to the O N -position. Digital inputs and relay outputs are also
isolated from the I/ O ground.
* ) Default value (X4 is G N D O FF- position).
NOTE!
Internal components and circuit boards (except the isolated I/ O terminals) are at
mains potential when the frequency converter is connected to the mains. This
voltage is extremely dangerous and may cause death or severe injury if you
come into contact w ith it.
The control I/ O terminals are isolated from the mains potential, but the relay
outputs and other I/ O 's may have a dangerous voltage connected even if the
power is disconnected from the frequency converter.
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