VLT® 7000 Booster
Installation
Basic galvanic isolation: All analogue inputs are galvanically isolated from the supply volt-
age and other high-voltage terminals.
Control card, pulse input:
No. of programmable pulse inputs ........................................................................................................................ 3
Terminal nos. .......................................................................................................................................... 17, 29, 33
Max. frequency on terminal 17 ...................................................................................................................... 5 kHz
Max. frequency on terminals 29, 33 ............................................................................ 20 kHz (PNP open collector)
Max. frequency on terminals 29, 33 ........................................................................................... 65 kHz (Push-pull)
Voltage level ........................................................................................................... 0-24 V DC (PNP positive logics)
Voltage level, logical ’0’ ............................................................................................................................ < 5 V DC
Voltage level, logical ’1’ ........................................................................................................................... >10 V DC
Maximum voltage on input ........................................................................................................................ 28 V DC
Input resistance, R
i
........................................................................................................................................ 2 k
Scanning time per input ............................................................................................................................. 3 msec.
Resolution .......................................................................................................................................... 10 bit + sign
Accuracy (100-1 kHz), terminals 17, 29, 33 ............................................................... Max. error: 0.5% of full scale
Accuracy (1-5 kHz), terminal 17 ................................................................................. Max. error: 0.1% of fullscale
Accuracy (1-65 kHz), terminals 29, 33 ....................................................................... Max. error: 0.1% of full scale
Basic galvanic isolation: All pulse inputs are galvanically isolated from the supply voltage. In addition,
pulse inputs can be isolated from the other terminals on the control card by connecting an external
24 V DC supply and opening switch 4. See Switches 1-4.
Control card, digital/pulse and analogue outputs:
No. of programmable digital and analogue outputs .............................................................................................. 2
Terminal nos. ................................................................................................................................................ 42, 45
Voltage level at digital/pulse output ...................................................................................................... 0 - 24 V DC
Minimum load to ground (terminal 39) at digital/pulse output ....................................................................... 600
Frequency ranges (digital output used as pulse output) ............................................................................ 0-32 kHz
Current range at analogue output ........................................................................................................ 0/4 - 20 mA
Maximum load to ground (terminal 39) at analogue output ........................................................................... 500
Accuracy of analogue output ..................................................................................... Max. error: 1.5% of full scale
Resolution on analogue output. ....................................................................................................................... 8 bit
Basic galvanic isolation: All digital and analogue outputs are galvanically isolated from the
supply voltage and other high-voltage terminals.
Control card, 24 V DC supply:
Terminal nos. ................................................................................................................................................ 12, 13
Max. load .................................................................................................................................................. 200 mA
Terminal nos. ground .................................................................................................................................... 20, 39
Basic galvanic isolation : The 24 V DC supply is galvanically isolated from the supply voltage,
but has the same potential as the analogue outputs.
Control card, RS 485 serial communication:
Terminal nos. .............................................................................................................. 68 (TX+, RX+), 69 (TX-, RX-)
Basic galvanic isolation.
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, 60 VA
Max. terminal load (DC-1 (IEC 947)) on 4-5, control card ......................................................... 75 V DC, 1 A, 30 W
Terminal nos., power card and relay card ............................................................................ 1-3 (break), 1-2 (make)
MG.70.A1.02 - VLT is a registered Danfoss trademark
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General