VLT® 4000 VT
Frequency ranges (digital output used as pulse output) ............................................................................ 0-32 kHz
Current range at analog output ............................................................................................................ 0/4 - 20 mA
Maximum load to frame (terminal 39) at analog output ................................................................................
500
Accuracy of analog output ......................................................................................... Max. error: 1.5% of full scale
Resolution on analog output. ........................................................................................................................... 8 bit
Reliable galvanic isolation: All digital and analog outputs are galvanically isolated from the
supply voltage (PELV) and other high-voltage terminals.
VLT 4006-4300 VT, 525-600 V, do not meet PELV requirements.
Control card, 24 V DC supply:
Terminal nos. ................................................................................................................................................ 12, 13
Max. load .................................................................................................................................................. 200 mA
Terminal nos. ground .................................................................................................................................... 20, 39
Reliable galvanic isolation: The 24 V DC supply is galvanically isolated from the supply voltage
(PELV), but has the same potential as the analog outputs.
Control card, RS 485 serial communication :
Terminal nos. .............................................................................................................. 68 (TX+, RX+), 69 (TX-, RX-)
Reliable galvanic isolation: Full galvanic isolation (PELV).
Relay outputs:
No. of programmable relay outputs ...................................................................................................................... 2
Terminal nos., control card ..................................................................................................................... 4-5 (make)
Max. terminal load (AC) on 4-5, control card ..........................................................................
50 V AC, 1 A, 50 VA
Max. terminal load (DC-1 (IEC 947)) on 4-5, control card ......................................................... 75 V DC, 1 A, 30 W
Max. terminal load (DC-1) on 4-5, control card for UL/cUL applications ................... 30 V AC, 1 A / 42.5 V DC, 1A
Terminal nos., power card ................................................................................................... 1-3 (break), 1-2 (make)
Max. terminal load (AC) on 1-3, 1-2, power card .................................................................
240 V AC, 2 A, 60 VA
Max. terminal load DC-1 (IEC 947) on 1-3, 1-2, power card .............................................................. 50 V DC, 2 A
Min. terminal load on 1-3, 1-2, power card ........................................................ 24 V DC 10 mA, 24 V AC 100 mA
External 24 Volt DC supply:
Terminal nos. ................................................................................................................................................ 35, 36
Voltage range ....................................................................................... 24 V DC ±15% (max. 37 V DC for 10 sec.)
Max. voltage ripple ..................................................................................................................................... 2 V DC
Power consumption .............................................................................. 15 W - 50 W (50 W for start-up, 20 msec.)
Min. pre-fuse ............................................................................................................................................... 6 Amp
Reliable galvanic isolation: Full galvanic isolation if the external 24 V DC supply is also of the PELV type.
Cable lengths and cross-sections:
Max. motor cable length, shielded cable .................................................................................................... 500 feet
Max. motor cable length, unshielded cable .............................................................................................. 1000 feet
Max. motor cable length, shielded cable VLT 4011 380-460 V .................................................................. 330 feet
Max. motor cable length, shielded cable VLT 4011 525-600 V .................................................................. 165 feet
Max. DC-bus cable length, shielded cable ..................................................................... 25 m from AFD to DC bar.
Max. loadsharing cable length, screened cable .....................................
25 m from frequency converter to DC bar.
Max. cable cross-section to motor, see next section
Max. cross-section for control cables ........................................................................................ 1.5 mm
2
/16 AWG
Max. cross-section for serial communication ............................................................................. 1.5 mm
2
/16 AWG
MG.40.A4.22 - VLT is a registered Danfoss trademark
15
Installation