Omega RD260A instruction manual TC input, RTD input, Terminal Board, Wiring for Input Terminals

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2.2 Wiring

Terminal Board
B	b	A		RTD	b	B	A

	–	+		DC voltage, TC		–	+

1ch

1ch2ch

2ch3ch

3ch4ch

5ch

6ch

Pen model

Dot-printing model

Wiring for Input Terminals

DC voltage inputs		TC input
		Extension wires
+		+
+		+
–	+	–
–		–

	DC voltage input
	–

RTD input

DC current input

bB A Dot-printing model

B b A Pen model

				–	+
					+
				A	DC current input
				A	–
				B	–
				b
					Shunt resistor

	Wire resistance per one line:			(Example)The shunt resistor rating
	10 Ω	or less		(Example)The shunt resistor rating
	10 Ω	or less			is 250 Ω ± 0.1% for the
					is 250 Ω ± 0.1% for the

	Three wires should have the same	current input of 4 to 20 mA.
	resistance values.	current input of 4 to 20 mA.
	resistance values.

2. INSTALLATION

2 - 7

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Contents User’s Guide Servicing North America Introduction Alternative current Power SupplyFuse Protective GroundingNecessity of Protective Grounding Defects of Protective Grounding and FuseChapters InstallationContents Setting A/D Integration Time Pen model Handling Precautions Before InstallationSpare Parts Name Checking Accessories and AppearanceAccessories No. Name Qty Remarks Checking and UnpackingRemoving Lock Screw and Packings for Transit Removing PackingsChecking Model Codes Checking Model CodesInstallation Site Installation Site and Mounting MethodsMounting Mounting MethodsPanel cutout External DimensionsDot-printing model WiringRear Panel Terminal Arrangement Pen modelPower Supply Wiring Power Supply WiringCrimp-On Lugs Input Signal WiringTerminal Board Wiring for Input TerminalsTC input RTD inputOutput capacity Alarm Output Wiring optionContact characteristics Output typeInput characteristics Remote Control Wiring optionComponent Names and Functions Front Panel Power switch push-button typeKey panel push-key type Status Display Chart cassetteData Display Characters on the Display Switching Power On/Off MaintenanceInstalling or Replacing Chart Paper Prepare a new chart Felt-tip pen Installing or Replacing Pens Pen modelSimple replacement Replacement under pen-replacement modePlotter pen Installing or Replacing Ribbon Cassette Dot-printing model Printing Samples Feeding the ChartGetting the Recording Starting/Stoping the RecordingGetting a List Printout Getting a Digital PrintoutDot-printing model Printing Sample Getting a SET UP List PrintoutDisplay MAN except for the 1-pen model Selectting the DisplaySelecting a screen Periodic Maintenance MaintenanceIndication of Remaining Chart Length Fuse Replacement Battery ReplacementFuse Replacement Cleaning the Carriage ShaftsPen model CalibrationDot-printing model Recommended instruments Calibration procedureDC Voltage Signal for Pen model same as Dot-printing model Required instruments for calibrationReference Junction Compensation for Thermocouple Input Temperature Compensation for Thermocouple SignalAdjusting procedure Pen-Position Adjustment Pen modelDaily OPERATION/MAINTENANCE Figure a Dot-Position Adjustment Dot-printing modelDaily OPERATION/MAINTENANCE Data Setting Guides Turning the function off Operation modeSET mode SET UP modeDisp key Operation ModeSET Mode SET UP Mode Password Procedures to Enter Setting Data SET Mode Setting Input Range and Recording Span Range Key operation Skip SettingIndication Description Volt Input Ranges Display Voltage Measurement Setting Volt SettingTC Type Description and RTD Type Description Key operation Indication DescriptionDigital Input Setting DI Setting Difference Computation Setting Delt Setting Indication Discription Scale Setting SCL SettingKey operation Indication Discription Setting to Obtain Square Root Sqrt SettingENT key Explanation of Square Root Setting Offsets Offst Setting Alarms Alarm Is displayed and the setting is completed. Press Assigning Units Unit Chart Speed unit mm/h Setting Chart Speed ChartSetting Date/Time Clock FIX Auto Assigning Tags TAG Means ‘SPACE’ Setting Messages MSGSetting Key-lock KEY SET UP Mode Setting Procedure Setting Alarm Hysteresis On/Off Setting A/D Integration Time Pen model Select Using the key. Press the ENT key Display Appears Setting Upscale/Downscale TC BurnoutFilter works as follows Configuring the Input Filter Pen ModelBuffer data for Setting for Moving Average Calculations Dot-printing modelNth sample +1th sample Turning Offset Settings Protection On/Off To select Display, and press the ENT key Select Assigning Different Colors to Channels Dot-printing modelRecorder as Viewed from the Side Setting Pen Offset Compensation On/Off Pen model, /D1 optionUse Key to select the display Press the ENT key Turning Alarm Printing On/OffPen Model Chart Speed Setting Periodic Printout On/OffDot-printing Model Chart Speed Setting Procedure Turning Printing of Changes in Chart Speed On/OffSetting Procedure Selecting channel Number or Tag Select Using the key Press the ENT key. The display Appears Changing the Temperature Unit /D2 optionChanging Default Settings for Remote Operation option Turning the Settings Protection Function On/Off Initializing Settings Error Codes Error Code ListRecovery Store SET UP Settings Agaiin Self-diagnostic Message Printout MeaningsRecorder is completely inoperative TroubleshootingIs the input free of noise? Glitch is found other than the previously mentioned ploblems Warrant Y/ Disclaimer OMEGA…Of Course