The digital inputs are used for selecting various functions in the adjustable frequency drive. All digital inputs can be set to the following functions:

Digital input function

No operation

Reset

Coast inverse

Coast and reset inverse

Quick stop inverse

DC brake inverse

Stop inverse

Start

Latched start

Reversing

Start reversing

Enable start forward

Enable start reverse

Jog

Preset reference on

Preset ref bit 0

Preset ref bit 1

Preset ref bit 2

Freeze reference

Freeze output

Speed up

Slow

Set-up select bit 0

Set-up select bit 1

Precise stop inverse

Precise start, stop

Catch up

Slow-down

Counter input

Pulse input Edge Trigged

Pulse input Time Based

Ramp bit 0

Ramp bit 1

Line failure inverse

Latched precise start

Latched precise stop inverse

DigiPot Increase

DigiPot Decrease

DigiPot Clear

DigiPot Hoist

Counter A (up)

Counter A (down)

Reset Counter A

Counter B (up)

Counter B (down)

Reset Counter B

Mech. Brake Feedb.

Mech. Brake Feedb. Inv.

PID Error Inv.

PID Reset I-part

PID enable

PTC Card 1

FC 300 standard terminals are 18, 19, 27, 29, 32 and 33. MCB 101 terminals are X30/2, X30/3 and X30/4.

Terminal 29 functions as an output only in FC 302.

Functions dedicated to only one digital input are stated in the associated parameter.

All digital inputs can be programmed to these functions:

[0]

No operation

[1]

Reset

4-18

Select

[0]

[1]

[2]

[3]

[4]

[5]

[6]

[8]

[9]

[10]

[11]

[12]

[13]

[14]

[15]

[16]

[17]

[18]

[19]

[20]

[21]

[22]

[23]

[24]

[26]

[27]

[28]

[29]

[30]

[31]

[32]

[34]

[35]

[36]

[40]

[41]

[55]

[56]

[57]

[58]

[60]

[61]

[62]

[63]

[64]

[65]

[70]

[71]

[72]

[73]

[74]

[80]

No reaction to signals transmitted to the terminal.

Resets adjustable frequency drive after a TRIP/ALARM. Not all alarms can be reset.

MG.33.AG.22 - VLT

is a registered Danfoss trademark

VLT

AutomationDrive FC 300 Instruction

Terminal

All *term 32, 33

All

All *term 27

All

All *term 18

All

All *term 19

All

All *term 29

All

18, 19

All

29, 33

All

18, 19

All

29, 33

All

29, 33

All

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Danfoss VLT AutomationDrive FC 300 Instruction Manual page 64

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