Vacon NX User Manual page 152

vacon • 150
Control
connections
(apply to boards
OPT-A1, OPT-A2
and OPT-A3)
Protections
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
10
Table 56. Technical data
Analogue input
voltage
Analogue input
current
Digital inputs (6)
Auxiliary voltage
Output reference
voltage
Analogue output
Digital outputs
Relay outputs
Overvoltage trip
limit
Undervoltage trip
limit
Earth fault protection In case of earth fault in motor or motor cable, only
Mains supervision
Input phase
monitoring
Unit overtemperature
protection
Overcurrent
protection
Unit overheat
protection
Short-circuit
protection of +24 V
and +10 V reference
voltages
0...+10 V, R = 200 kΩ, (–10 V...+10 V joystick control)
i
Resolution 0.1%, accuracy ±1%
0(4)...20 mA, Ri = 250 W differential
Positive or negative logic; 18...24 VDC
+24 V, ±10%, max volt. ripple < 100 mVrms;
max. 250 mA
Dimensioning: max. 1000 mA/control box
1A external fuse required (no internal short-circuit
protection on the control board)
+10 V, +3%, max. load 10 mA
max. 500 Ω; Resolution 10 bit;
0(4)...20 mA; R
L
Accuracy ±2%
Open collector output, 50 mA/48 V
2 programmable change-over relay outputs
Switching capacity: 24 VDC/8 A, 250 VAC/8 A,
125 VDC/0.4 A
Min. switching load: 5 V/10 mA
NX_5: 911 VDC
NX_6: (CH61, CH62, CH63 & CH64): 1258 VDC
NX_8: 1300 VDC
NX_5: 333 VDC; NX_6: 461 VDC; NX_8: 461 V (all
VDC)
the frequency converter is protected.
Trips if any of the input phases is missing
(frequency converters only).
Trips if any of the output phases is missing.
Alarm limit: 65 ºC (heatsink); 75 ºC (circuit boards).
Trip limit: 70 ºC (heatsink); 85 ºC (circuit boards).
Yes
Yes
Yes
ACTIVE FRONT END (NXA)