4
vacon • 34
Technical data
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
Control
connections
(apply to boards
OPT-A1, OPT-A2
and OPT-A3)
Analogue input voltage
0…+10 V, R
i
= 200 k
Ω
, (–10 V…+10 V joystick control)
Resolution 0.1%, accuracy ±1%
Analogue input current
0(4)…20 mA, Ri = 250 W differential
Digital inputs (6)
Positive or negative logic; 18…24 VDC
Auxiliary voltage
+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)
Output reference voltage
+10 V, +3%, max. load 10 mA
Analogue output
0(4)…20 mA; R
L
max. 500
Ω
; Resolution 10 bit;
Accuracy ±2%
Digital outputs
Open collector output, 50 mA/48 V
Relay outputs
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
Protections
Overvoltage trip limit
NX_5: 911 VDC
NX_6: (CH61, CH62, CH63 & CH64): 1258 VDC
NX_6: (CH72 & CH74): 1200 VDC
NX_8: (CH61, CH62, CH63 & CH64): 1300 VDC
Undervoltage trip limit
NX_5: 333 VDC; NX_6: 461 VDC; NX_8: 461 VDC
Earth fault protection
In case of earth fault in motor or motor cable, only
the AC drive is protected.
Mains supervision
Trips if any of the input phases is missing (AC drives
only).
Motor phase supervision
Trips if any of the output phases is missing.
Unit overtemperature
protection
Alarm limit: 65 ºC (heatsink); 75 ºC (circuit boards).
Trip limit: 70 ºC (heatsink); 85 ºC (circuit boards).
Overcurrent protection
Yes
Motor overload protection
Yes *
Motor overload protection provided at 110% of full
motor load current.
Motor stall protection
Yes
Motor underload
protection
Yes
Short-circuit protection of
+24 V and +10 V reference
voltages
Yes
Table 13. Technical data
*) NXP00002V186 (or newer) must be used for the motor thermal memory and memory retention functional-
ity to conform to UL 508C requirements. If an older system software version is used, motor overtempera-
ture protection is required at installation to comply with UL requirements.
Содержание NX
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