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W A T L O WTemperatureControllersFor <strong>com</strong>plete information onCLS200 controllers referencepages 169 to 172.4-, 8-, 16-LoopCLS200The Watlow CLS200 is a powerful lineof controllers, <strong>com</strong>biningperformance and flexibility with<strong>com</strong>pact design. The four, eight and16-loop versions provide <strong>com</strong>pletecontrol solutions for thermoformingand other plastics processes.Support for multiple types of sensorinputs is available, includingthermocouples, RTDs, linear voltage,current and frequency. Eachcontroller can operate as a standalonesystem, and includes built-inserial <strong>com</strong>munications for<strong>com</strong>puter interface and dataacquisition. An enhanced featuresoption offers cascade control, ratiocontrol, differential control, processvariable retransmit and remoteanalog set point.The CLS200 controllers are UL ® andC-UL ® listed, meet the requirementsof the European Community EMCDirective and carry the CE mark.Features and BenefitsPID control of up to 16 heat andcool loops• Minimal panel space per loop• Reduced installation time• More reliable: fewer parts meansfewer failuresAuto-tune• Less time tuning• Achieve excellent control with lessexpertiseMenu-guided operation with fulltext display• Quick controller setup• Easy to operateEight jobs stored and recalled• Quickly change from one processto anotherMultiple and mixed inputs• Simply change sensor types atthe last minute• Less to learn, less inventorySensor failure detection• Reduces time troubleshootingreversed, shorted and opensensorsHigh/low process and deviationalarms for each input• Configure alarms as needed tointegrate with PLC or other controlelements34 digital outputs• Flexible configuration: use outputsas needed for control, alarms andprocess variable retransmitEIA/TIA-232 and 485<strong>com</strong>munications• Use software to configure andoperate• Integrate with other controllersand softwareFirmware OptionsChoose firmware with the featuresneeded for the application:• Standard—includes closed-loopPID control, auto-tune, alarms,job memory and failed sensordetection• Extruder— includes the standardfirmware features, with PID controlspecifically adapted for plasticextruders• Enhanced Features— includesthe standard firmware featureswith the addition of processvariable retransmit, remoteanalog set point, cascade control,ratio control and differentialcontrol algorithms. Each channelcan be configured for standardPID control or one of the othercontrol algorithms. Each channelof cascade control or remoteanalog set point requires twocontroller channels. Unusedcontrol outputs on any channelcan be configured for retransmit.Because the CLS200 has no onboardanalog outputs, applications thatuse process variable retransmittypically require one SDAC moduleper retransmitted signal.Watlow’s WATVIEWsoftware is ideal touse with the CLS200.See page 180for more informationand ordering details.ThermoformingTemperature ControllersUL ® and C-UL ® are registered trademarks ofUnderwriter’s Laboratories, Inc.329