Teledyne THCD-100 instruction manual Channel Setup Commands, Filtering Commands

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the new address. All subsequent communications must use the new address.

The current communication address can be obtained using the query ‘add?’. The returned data is:

ADDR: <address>

5.5.Channel Setup Commands

a)Input Channel Units String – ‘uiu’

The input channel has an associated freeform text field that can be used to identify the units being used. This command is used to set this and its only parameter is a max of 5 characters for the units string.

The current units string can be retrieved using the query ‘uiu?’. The data returned is as follows: INPUT UNITS STR: <units>

… where… <units> = the exact units string as displayed on the front panel

b)Input Channel Range – ‘uir’

Use this command to set the range of the input channel. The single parameter is the actual value for the range. The number of decimal places passed in the range value dictates the number of decimal places shown for the main data output (up to a max of 4 decimal places

– any more will get chopped off)

The current range of the input channel is retrieved using the query ‘uir?’.

The data returned is as follows:

INPUT RANGE: <range>

… where…

<range> = the range of the channel (engineering units)

c)Input Channel Full Scale – ‘uif’

This command is used to set the full scale voltage for the input channel. The single parameter is the actual full scale value. The full scale voltage setting for the input channel is retrieved using the query ‘uif?’. The data returned is as follows:

INPUT FULLSCALE: <fs>

… where…

<fs> = the full scale voltage of the channel.

For more information on the use of input range and full scale, see the Principles section 5.2.

5.6.Filtering Commands

a.Filter Band – ‘flb’

This command is used to set the point at which the adaptive filtering kicks in. It takes one parameter which is the percentage of full scale of the input. Valid values are between 0.01% and 1.00%. Additionally the parameter can be OFF which will mean the filtering will never kick in, or ON which means the filtering is always used. Note that if the filter size is set to greater than 5 seconds, the filter band command will return a Bad Command acknowledgement because the filter is always on in this

165-072011 THCD-100 Power Supply

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Contents Teledyne Hastings Manual Print History Table of Contents Features SpecificationsGeneral Information Installation Transducer socket Pinout 15 Pin D TypePin Number Designation Interface Interface Socket Pin out Miniature 15 Pin D TypeSerial Socket Pinout 9 Pin D Type Pin Number Designation 1Panel Mounting Power Connection SocketIntroduction FeaturesAnalog Inputs Analog OutputsUser Re-zero Setpoint ModeAdaptive Filtering Setpoint SourceFilter Size Edit Mode Common Switch FunctionsMenu Screens Editable ScreensFront Panel Screens Switch FunctionsMain Screen not changing setpoint Main Screen changing setpointSwitch Functions Main Menu ScreenSetpoint Screen Filtering Screen Input ScreenSerial Screen Comms Menu ScreenRelay Screen Factory Defaults Confirmation ScreenSerial Communication Command/Query FormatMain Commands Output Current Readings ‘r’Output Current Readings Repeatedly ‘rp’ Setpoint Value ‘spv’ Setpoint Mode ‘spm’Setpoint Source ‘sps’ Setpoint Initial Value ‘siv’Setpoint Initial Mode ‘sim’ Serial CommandsSerial Baud Rate ‘bra’ Serial Communication Protocol ‘pro’Filtering Commands Channel Setup CommandsFilter Size ‘fls’ Relay Control CommandsRelay Trip Point ‘rlt’ Relay Hysteresis ‘rlh’Retrieve All Settings ‘ras’ Other CommandsUser Input Re-zero ‘irz’ Date of Last Factory Calibration ‘dlc?’Service Service & CalibrationCleaning End of LifeAppendix a AppendicesAppendix B Setting Default Value Additional InformationSettings in ‘ras’ command string Appendix CDescription Type and size Warranty Warranty Repair PolicyNon-Warranty Repair Policy
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