VXI VT1536A user manual Configuring Output Channel Polarity

Page 13

Note

Configuring Output Channel Polarity

The INP:DEB:TIME generate the error 3108, "E1536 debounce - each referenced 4 Ch bank must contain at least one input". This error indicates that you tried to set a debounce time for a bank of channels that contains no input configured channel.

To set the debounce period to 153.6 ms for the lower 4 channels on an VT1536A in SCP position 0 send:

INP:DEB 0.1536,(@100:103)

To set the debounce period to 1.229 seconds for the upper 4 channels on an VT1536A in SCP position 3 send:

INP:DEB 1.229,(@128:131)

There is also the query form; INPut:DEBounce:TIME? (@<channel>)

where <channel> must specify a single channel. INP:DEB:TIME? returns the currently set debounce period.

To configure output channel polarity use the command:

OUTPut:POLarity INVerted NORMal,(@<ch_list>)

To configure the fifth and sixth channels on an VT1536A in SCP position 4 to output normal polarity (logical 1=relay on) and its next 2 channels to output inverted polarity (logical 1=relay off) send:

OUTP:POL

NORM,(@136,137)

NORM is *RST default

OUTP:POL

INV,(@138,139)

 

There is also the query form; OUTPut:POLarity? (@<channel>), where <channel> must specify a single channel. OUTP:POL? returns "NORM" or "INV".

Notes 1. The OUTPut:POL command will generate the error 3107, "Channel data direction conflicts with command" if any channel in <ch_list> is configured as an input.

2.An output channel's SS relay will not change from the *RST state (open) regardless of its POLarity setting, until an algorithm writes a value to that channel.

VT1536A Isolated Digital Input/Output SCP 13

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Contents User’s and Scpi Programming Manual Page About this Manual IntroductionIdentifying the Plug-on Setting Configuration SwitchesInstallation Connecting To The Terminal Module VT1415A/19A/22A Terminal Module Connections Recommended Signal ConnectionsRecommended Connections and Voltage Limits Input and Output CharacteristicsVT1536A Input and Output Sections Example Using Debounce Feature Checking the ID of the SCP Programming With Scpi CommandsConfiguring Input Channel Polarity 12 VT1536A Isolated Digital Input/Output SCP Configuring Output Channel Polarity RST and *TST? Important Programming with the VT1415A/19A Algorithm LanguageOutput Characteristics Specifications16 VT1536A Isolated Digital Input/Output SCP

VT1536A specifications

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