NXC-VAI4 Analog Voltage Control Card

 

NXC-VAI4 Send_Commands (Cont.)

 

 

Command

Description

 

 

PE

The specified output will then remain proportional to the specified input.

Selects which voltage

Syntax:

reference (if any) is to be

SEND_COMMAND <DEV>,'P<OUTPUT>E<REFERENCE SELECTION> BU'

used for scaling of the output

Variables:

voltage.

OUTPUT: any Output ('1', '2', '3', or '4')

 

 

Reference selection:

 

’N’ - Normal/None: Uses no reference scaling.

 

’E’ - External: Use the External Reference input to scale the output.

 

’I’ - Input: Use the corresponding <x+4> input as the reference for the

 

output.

 

BU: Bipolar or Unipolar (has no meaning for reference selection 'N')

 

Unipolar mode sets the voltage range to between 0V and +reference

 

voltage.

 

Bipolar mode sets the output voltage range to between -reference voltage

 

and +reference voltage.

 

Examples:

 

SEND_COMMAND <DEV>,'P1EN'

 

Sets Output 1 to use no reference (MIN/MAX limits are used instead.).

 

SEND_COMMAND <DEV>,'P3EEU'

 

Sets Output 3 to use the External Reference input for scaling. The output

 

voltages will range from 0 to the external reference voltage.

 

SEND_COMMAND <DEV>,'P3EIB'

 

Sets Output 3 to use Input 7 for scaling. The output voltages will range

 

from -input reading to +input reading.

 

 

PL

Syntax:

Ramps the specified output

SEND_COMMAND <DEV>,'P<OUTPUT>L<LEVEL VALUE> [T<TIME>]'

from its current level value to

Variables:

the specified level value or

OUTPUT: Any Output ('1', '2', '3', or '4')

specified percentage of

LEVEL VALUE: 0 - 255 or 0 - 100% (where 0 is low voltage)

maximum at the rate speci-

fied by "CURRENT OUTPUT

TIME (optional): 0 - 255 in 0.1 second increments

<x> RAMP UP TIME" or

Examples:

optionally in the specified

SEND_COMMAND <DEV>,'P1L50%'

amount of time.

 

Ramps Output 1 from its current value to 50% (mid voltage level) at the

 

"CURRENT OUTPUT 1 RAMP RATE".

 

SEND_COMMAND <DEV>,'P2L255T30'

 

Ramps Output 2 to maximum voltage level in 3 seconds.

 

 

NetLinx Cardframe, Control Cards, and NetModules

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AMX NXM Series manual Sendcommand DEV,P1EN, Sendcommand DEV,P3EEU, Sendcommand DEV,P3EIB, Sendcommand DEV,P1L50%

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