Sterling Plumbing 882 00276.00 specifications Alarms, Level switches probes

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4.4Optional Equipment, Level Switches and Communications Options

Optional equipment for the Digital Dosing Additive Feeder includes:

Alarms

Several alarm options are available for the Digital Dosing feeder. The standard unit comes

with a flashing alarm symbol on the faceplate. Options include both audible horns and flashing lights. An optional no voltage alarm relay can be connected to the user’s central alarm system.

Level switches (probes)

To adjust the level switches:

1.Turn the controller ON.

2.Fill the dosing station until the level sensor is one-third covered.

3.Remove the small plastic screw (M3) on the back of the level sensor (see Figure 7).

LED Yellow (Station)	LED Green (Level Probe)
on: Station Filled	on: Power Supply Available
off: Station Emptied	off: Power Supply Not Available
	npn: Normally Closed								npn: Normally Open
	pnp: Normally Open 1							0 pnp: Normally Closed

	Blind Lid
Trim-pot with	Protective Screw
Plastic Screw M3	Cable
	Cable

Level Probe

Figure 7. Level Sensor Screw

4.Turn the trim-pot until the yellow control lamp just switches off.

Digital Dosing Units

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Contents SDD Series Digital Dosing Additive Feeders Table of Contents Introduction Digital Dosing Units Controller Keypad and LED DisplayKeys and Symbols Symbols Mounting Quick Start-upUnpacking Recipe Setup for Injection Molding DD Discs Calibration NumberDT Discs Calibration Number DP DiscsRecipe Setup for Extrusion CalibrationDigital Dosing Units Manufacturer Motor Color Input NumberDigital Dosing Units Digital Dosing Units Digital Dosing Units RPM Digital Dosing Units Digital Dosing Units Digital Dosing Units Initial Installation and Operation Initial InstallationElectrical diagram of connections Electrical DiagramSignal Converter with AC Power Supply Extruder Follower Interface Signal ConverterDiagram of analog inputs Initial Operation Signal Converter with DC Power SupplyVDC Mini Power Supply Injection Molding Recipe Input Injection MoldingStep Step Step Operation Injection Molding Extrusion Constant Standard Recipe Input Extrusion ConstantExtrusion Constant, parameter 3 is skipped Step Step Operation Extrusion Constant Extrusion Proportional Extruder Follower Option Recipe Input Extrusion ProportionalStep Step Operation Extrusion Proportional Extruder Follower Option Determining the Calibration Weight CalibrationRepeat steps 3 and 4 four 4 more times Digital Dosing Units Recipe Storage Advanced Operations/ Control FunctionsRecipe Storage and Recall Recipe Recall Acknowledging Alarms Clearing the TotalizerAlarms Level switches probesCommunication Protocol Interfaces Maintenance Maintenance IntervalsRemoving the Shear plate DD feeder only Removing the shear plateDismantling the Dosing Station Cleaning the DD Digital Dosing StationInstalling the shear plate Installing the Dosing Station Removing the Dosing Disc Installing the Dosing DiscChanging the Dosing Disc in the DT Digital Dosing Station DD Discs Installing Different Types of Dosing DiscsRemoving / Replacing the Wiper in the DT Dosing Station Cleaning the DT Dosing Station Disc Exchangeable StationsDP Discs Calibration Replacing Fuses See Appendix D for fuse part numbersMalfunctions Error Codes Appendix a TroubleshootingGeneral Troubleshooting Unit Will Not Operate Error Codes Determining the Software Setup Factor Recipe FormulasInjection Molding Recipe Limitations for Injection MoldingExtrusion Recipe Limitations ExtrusionMax. input frequency = Hz Appendix B Basic Parameter SettingsExtrusion Mode Example Probe Example Digital Dosing Units Disc Dosing Factor Disc Guide 20 kg/h DT30 204010F Default Calibration # 150 grams/rev Disc Dosing Factor Table One 1 for GranuleProcessing Option Hopper Level Probe VirginStarter Calibration Parameters Set-up of Factory Set Operating Parameters Ext = Span factor sf calculated using sf=1000/rpm@10vdc Page Station 1 Digital Dosing Unit Station 2 Digital Dosing Unit Side View TOP ViewGeneral Wiring Diagram for Bauer Motor Page C150 Controller Injection Dosing Disc/Shear Order Numbers Appendix D Spare Parts ListReplacement Motor Order Numbers Control System Order Numbers Page Service Department Technical AssistanceParts Department Sales Department