Danfoss VLT 5000 Series Manuel - Page 5

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Technical data, continued

Terminals:

Type ................................................................................................................... Plugs with screw connections

Maximum cable size ............................................................................................................ 1.3 mm

Digital inputs, MK3A:

Number of inputs which are used by SyncPos program ................................................................................ 8

Terminal designations .............................................................................................................................. I1 – I8

Voltage level .................................................................................................... 0 – 24 V DC (PNP positive logic)

Voltage threshold logical "0" .................................................................................................................. 6 V DC

Voltage threshold logical "1" ............................................................................................................. 13.5 V DC

Maximum voltage ................................................................................................................................ 28 V DC

Input impedance ........................................................................................................................................ 3 kΩ

Min. pulse duration (ON INT) ................................................................................................................. 1 msec

Galvanic isolation: All digital inputs are galvanically isolated by means of optocouplers,

but with the same common as the digital outputs.

Digital outputs, MK3C:

Number of outputs which are used by SyncPos program .............................................................................. 8

Terminal designations .......................................................................................................................... O1 – O8

Voltage level ................................................................................................................................... 0 – 24 V DC

Maximum load .............................................................................................. 0.7A (with external power supply)

Update rate ........................................................................................................................................... 1 msec

Galvanic isolation: All digital outputs are galvanically isolated by means of optocouplers,

but with the same common as the digital inputs.

External 24 V DC supply:

(see VLT 5000 manual, page 10)

Encoder input 1, MK3B (master):

Terminal designations ................................................................................................. A1, A1, B1, B1, Z1, Z1.

Incremental:

Signal level ................................................................................................................................... 5 V differential

Signal type ............................................................................................................................ Linedriver, RS 422

Input impedance .............................................................................................. 140 Ω (Dip switch 1.1–4 = ON)

....................................................................................................................... 12 kΩ (Dip switch 1.1–4 = OFF)

Maximum frequency ........................................................................................... 220 kHz (at 50 % duty cycle)

Phase displacement between A and B ............................................................................................... 90° ±30°

Absolute:

Signal level ................................................................................................................................... 5 V differential

Signal type .................................................................................................................................................... SSI

Data coding ...................................................................................................................................... Gray code

Data length ............................................................................................................................................... 25 bit

Parity .......................................................................................................................................................... none

Clock frequency ....................................................................................................................... 105 or 262 kHz

Protocol ..................................................................................................................................................... Gray

Maximum positions per revolution ............................................................................................................. 8192

Maximum number of revolutions ............................................................................................................... 4096

MD.50.B2.02 – VLT is a registered Danfoss trade mark

VLT

5000 SyncPos option

(AWG 16)