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NXC-VAI4 Analog Voltage Control Card
32
NetLinx Cardframe, Control Cards, and NetModules - Operation Reference Guide
NXC-VAI4 Send_Commands (Cont.)
Command Description
PN Sets the value of either the minimum output voltage allowed for an output, or the minimum position
voltage expected for an input. Voltage settings are rounded to the nearest D/A or A/D code. Voltage
settings for Outputs are absolute levels and are unaffected by any software scaling functions. Negative
voltages are not valid for Input 3.
Syntax:
SEND_COMMAND <DEV>,'P<I/O>N<LEVEL VALUE>'
Variables:
I/O: Any input or output ('1','2','3','4','5','6','7','8')
LEVEL VALUE: -12.000V to +12.000V
Examples:
SEND_COMMAND <DEV>,'P1N5.023V'
Sets the minimum output level for Output 1 to 5.023V.
SEND_COMMAND <DEV>,'P1N-5.023V'
Sets the minimum output level for Output 1 to -5.023V.
SEND_COMMAND <DEV>,'P7N5.023V'
Sets the minimum of the expected input range for Input 7 to 5.023V.
PR Sets the CURRENT OUTPUT <x> RAMP UP TIME and/or CURRENT OUTPUT <x> RAMP DOWN
TIME of the specified Output where TIME is the time to ramp the full range. It can be set to ramp both
down to up and up to down or just down to up or just up to down.
Syntax:
SEND_COMMAND <DEV>,'P<OUTPUT>R<TIME>[U|D]'
Variables:
OUTPUT: Any Output '1', '2', '3', or '4'
TIME: 0 - 255 in 0.1 second increments
U/D: Ramp Up (U) or Down (D)
Examples:
SEND_COMMAND <DEV>,'P1R25'
Sets CURRENT OUTPUT 1 RAMP UP TIME" and "CURRENT OUTPUT 1 RAMP DOWN TIME" to
2.5 seconds each for full range travel.
SEND_COMMAND <DEV>,'P2R75U'
Sets CURRENT OUTPUT 2 RAMP UP TIME to 7.5 seconds for full range travel, CURRENT OUTPUT
2 RAMP DOWN TIME remains unchanged.
SEND_COMMAND <DEV>,'P2R50D'
Sets "CURRENT OUTPUT 2 RAMP DOWN TIME" to 5 seconds for full range travel; "CURRENT
OUTPUT 2 RAMP UP TIME" remains unchanged.
PU Sets the level to which this Output is set immediately after power-up and before any Output is
commanded.
Syntax:
SEND_COMMAND <DEV>,'P<OUTPUT>U<LEVEL VALUE>'
Variables:
OUTPUT: Any Output ('1', '2', '3', or '4')
LEVEL VALUE: 0-255
Example:
SEND_COMMAND <DEV>,'P1U127'
Sets the power up output level for Output 1 to 127.