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Athena 4000 Series Operation Manual

Temperature/process controller
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4000
Series
Temperature/Process Controller
Operation Manual

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Summary of Contents for Athena 4000 Series

  • Page 1 4000 Series Temperature/Process Controller Operation Manual...
  • Page 2 Introduction Congratulations on your purchase of an Athena® Series 4000. It is a U.L. listed, 1/4-DIN digital indicating temperature controller for use in a variety of applications. The Series 4000 is more accurate than an analog unit, and, most importantly, the digital indicator eliminates parallax errors and operator interpolation, problems common to full scale analog controllers.

  • Page 3: Table Of Contents

    Table of Contents Preliminary Instructions Mounting Output Configurations Power Wiring Circuits Thermocouple Wiring Circuits RTD Wiring Circuits Thermocouple Placement Operation Front Panel Layout Output Function Switches Adjustments Maintenance Specifications Ordering Codes Troubleshooting Warranty Unit Repairs 3/15/2020 DESCRIPTION REVISION DATE Model 4000 Operation Manual TITLE 900M508U01 DATE...

  • Page 4: Mounting

    Shielded sensor cables should always be terminated at one end only. If additional RFI attenuation is required, noise suppression devices such as an R.C. snubber at the external noise source may be used. If you wish, you may order this suppressor directly from Athena, part number 235Z005U01.
  • Page 5 Wiring Typical Wiring Diagrams for -T & -B Outputs B-Type - 840 W maximum. 120 Vac heater. (Non-inductive loads only) For larger loads, replace heater connections with contactor, as required. Maximum inductive load rating is 3 A at 120 V and 1.5 A at 240 V. The N.C. contacts can be used for cooling.

  • Page 6: Thermocouple Wiring Circuits

    -F, -S Output - 120/240 Vac Wiring The -F output is 20 mA at the low temperature end of the proportional band and 4 mA at the upper end of the proportional band. Maximum load resistance is 1000 ohms. The -S output is a time-proportioned 20 Vdc signal. These controllers cannot be used with a device that does not have an isolated input.

  • Page 7: Thermocouple Placement

    Thermocouple Placement Proper thermocouple placement can eliminate many problems in the system. The probe should be placed so that it can detect any temperature change with little thermal lag. In a process that requires fairly constant heat output, the probe should be placed close to the heater. In processes where the heat demand is variable, the probe should be close to the work area.

  • Page 8: Front Panel Layout

    Layout of the front panel is shown below. To reach the adjustments, swing the top of the door forward and down. The proportional band adjustment is on the right side and sets the gain of the controller. The offset Front Panel (manual reset) adjustment is on the left and corrects for offsets from the setpoint temperature.

  • Page 9: Adjustments

    Configuring There is a switch assembly on the bottom board (see bottom board illustration). This four-position switch Output Function regulates cycle time and output selection. It is factory-configured for the plug- in output ordered. Check the Switches output function chart to make sure the configuration is correct for your application. Switches 1&2: These switches act together to select either proportional current output or one of the time proportioning cycle times.

  • Page 10: Maintenance

    How To Set The Auxilliary Deviation Type: B, C or D Output The Deviation auxiliary output is triggered when the temperature deviates from the main setpoint by a preset amount. Units can be ordered with high, low or common high/low trip points. (Optional) Full Scale Type: E The full scale auxiliary output is triggered when temperature goes above its setting.

  • Page 11: Specifications

    Depth Behind Panel - 3.780˝ (92 mm) Panel Cut-out - 3.622 sq. in. (92 mm *Note: Applies to all units with exception of “F” output controllers when used with other than Athena SCRs or stagers. Output Type Setpoint 1 (Plug-in)

  • Page 12: Ordering Codes

    0 to +199.9°C Example Athena’s ZC/PC solid state contactors, Series 19 and 39 SCR Model 4000-B-E-05C = a controller with a thermocouple sensor input; and SPDT relay output (non plug-in) power controllers, can be added to boost ac load switching capacity.
  • Page 13 Symptom. No output. Check - T/C continuity. Disconnect T/C connections from instrument. Measure T/C circuit resistance. Ohmmeter should read 100 ohms or less. Corrective Action Probable Cause. - Open thermocouple or T/C wiring - Replace T/C. Correct defective wiring Connection polarity. T/C wires are color-coded. Red Symptom Full output, no control.

  • Page 14: Warranty

    Proprietary information of Athena Controls, Inc. is furnished for customer use only. No other use is authorized without the written permission of Athena Controls, Inc.

  • Page 16: Model 4000 Operation Manual

    Athena Controls, Inc. Plymouth Meeting, PA +1 (610) 828 2490 AthenaControls.com sales@athenacontrols.com 3/15/2020 DESCRIPTION REVISION DATE Model 4000 Operation Manual TITLE 900M508U01 DATE SCALE CHECKED DRAWN...

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