Hach 6120118 user manual Hard-wiring the Digital Gateway to the sc100

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Installation

Figure 7 Attaching the Digital Gateway using the Quick-connect Fittings

3.2.1.2 Hard-wiring the Digital Gateway to the sc100

Important Note: Hard-wiring the digital gateway to the sc100 is not an approved method for Class 1, Division 2 Hazardous Locations.

1.Disconnect power to the controller if powered.

2.Open the controller cover.

3.Disconnect and remove the existing wires between the quick-connect and terminal strip J5, see Figure 8 on page 15.

4.Remove the quick-connect fitting and wires and install the threaded plug on the opening to maintain the environmental rating.

5.Cut the connector from the sensor cable.

6.Strip the insulation on the cable back 1-inch. Strip ¼-inch of each individual wire end.

Note: Use of strain relief fitting other than Cat. No. 16664 may result in a hazard. Use only the recommended strain relief fitting.

7.Pass the cable through conduit and a conduit hub or a strain relief fitting (Cat. No. 16664) and an available access hole in the controller enclosure. Tighten the fitting.

8.Reinstall the plug on the sensor access opening to maintain the environmental rating.

9.Wire as shown in Table 4 and Figure 8.

10.Close and secure the cover.

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Contents Digital PC sc and RC sc ¾-inch Combination pH/ORP Sensor Page Table of Contents Table of Contents Digital Gateway Specifications SpecificationsCombination pH and ORP Sensor Specifications Page General Information Safety InformationPrecautionary Labels Use of Hazard InformationSensor Body Styles General Sensor InformationGeneral Information Operating Precaution Digital GatewayPage Section Installation Wiring the sc Sensor to the Digital GatewayInstallation Proper Wire Preparation and InsertionWiring the Digital Gateway Cat. No Hard-wiring the Digital Gateway to the sc100 Wiring the Sensor at Terminal Block J5 Terminal Number Terminal Designation Wire ColorConnecting the Sensor to the sc1000 Connecting the Sensor using the Quick-connect FittingsDigital Gateway Dimensions Mounting the Digital GatewayPage User Interface and Navigation Using the sc100 ControllerController Key Functions/Features Number Key FunctionDisplay User Interface and Navigation Controller Display FeaturesImportant Key Presses User Interface and Navigation Using the sc1000 ControllerDisplay Features Navigating the Menu Windows Main MenuKeypad List Box Message windowPH Sensor Setup Menu Sensor SetupSensor Diagnostics Menu for pH and ORP OperationConfigure OperationORP Sensor Setup Menu AC FrequencyTwo Point Automatic Calibration PH CalibrationOne Point Automatic Calibration Operation One Point Manual Calibration Two Point Manual CalibrationOne-point Manual Calibration ORP CalibrationConcurrent Calibration of Two Sensors for pH and ORP Adjusting the Temperature Page Maintenance Maintenance ScheduleCleaning the Sensor MaintenanceTroubleshooting the pH or ORP Sensor TroubleshootingError Codes Error CodesPage Item Description Replacement Parts and AccessoriesReplacement Items, Accessories, and Reagent and Standards Catalog NumberPage A. Customers How to OrderTechnical and Customer Service U.S.A. only Information RequiredRepair Service CanadaLimitation of Remedies Limited WarrantyLimitations Page Immunity Product SafetyCompliance Information EmissionsFCC Part 15, Class a Limits Compliance InformationGroup Name Tag Name Register Data Length Description Type Appendix a Modbus Register InformationSensor Modbus Registers Modbus Register Information Where Appendix B General pH InformationPH Measurement Theory PID Controller Basics General pH InformationIntegral DerivativePage Index