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Controls EMGRT1 User Manual

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Product Manual
Programmable Microprocessor-Based Pump Controller
for Mechanical Diesel Engines
Part Number: EMGRT1
Customer: The Gorman Rupp Company
Revision: 2.0
______________________________________________________________________________________________________________________________________
Copyright © Controls, Inc.
P.O. Box 368 • Sharon Center, OH 44274
Phone 330.239.4345 • Fax 330.239.2845 • www.controlsinc.com
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Controls EMGRT1 Specifications

General IconGeneral
BrandControls
ModelEMGRT1
CategoryController
LanguageEnglish

Summary

Basic Controller Operation

Manual Engine Start/Stop

Procedure for starting and stopping the engine manually via key switch and enter button.

Automatic Engine Start/Stop

Procedure for automatic start/stop using float circuits to control engine operation based on fluid levels.

Introduction

Controller Technology

Describes the EMGRT1 as a microprocessor-based controller on a specific platform.

Enclosure Design

Details the polycarbonate enclosure's dimensions and NEMA rating.

Display Characteristics

Outlines the backlit digital display size and character dimensions.

Auto Start/Stop Methods

Lists methods for auto start and stop, including single and dual float circuits.

System Inputs and Alarms

Mentions available specific inputs and alarms like E-Stop and Fuel Level.

Standalone Operation

States the controller does not require a laptop for programming settings.

Interface

Display Panel

Describes the backlit digital display panel size and character dimensions.

Displayed Parameters

Lists the six full-time parameters displayed on the controller screen.

Menu and Enter Buttons

Explains the function of Menu and Enter buttons for menu access.

Navigation Buttons

Explains the function of Up and Down buttons for menu navigation.

Key Switch Functionality

Details the Auto, Off, and Run positions of the key switch.

Fuse and Indicators

Identifies the 10 amp fuse and the amber/red indicator LEDs.

Enclosure

Enclosure Construction Details

Describes the polycarbonate enclosure, its NEMA rating, and hinged door.

Hinged Door Access

Details how the enclosure door is held by screws for internal access.

Connector Integration

Lists plug & play connectors integrated into the enclosure.

Engine Harness Connector

Specifies the 16-pin Deutsch plug for the engine harness connection.

Float Connector Operation

Describes the Pollack connector for single/dual float and its logic for start/stop.

Engine Start and Stop

Manual Start/Shutdown Process

Details the manual start process using the key switch and Enter button and shutdown via key.

Automatic Start/Stop Logic

Explains auto start/stop using normally open float contacts for engine control.

Engine Speed Control (Throttle Control)

Speed Control Availability

States that engine speed control or throttle control functionality is not available.

Engine Faults

Fault Handling Procedure

Describes how the controller shuts down the engine upon detecting faults, indicated by LED and message.

Specific Fault Conditions

Lists specific faults like low oil pressure, high temperature, over speed, and low fuel level.

Controller Specific Alarms

System Input Monitoring

Explains monitoring of additional system inputs like E-Stop and float switches.

Fuel Level Sender Configuration

Details analog fuel level sender connection, scale, and pre-alarm/shutdown settings.

Water and Oil Level Switches

Describes digital inputs for low water and low oil level switches and their shutdown function.

Fault Indication and Clearing

Explains how faults are indicated (LED, message) and how to clear them by cycling power.

External Connectors

Engine Harness Connector Pinout

Provides a detailed pinout for the 16-pin Deutsch engine harness connector.

Float Connector Pinout

Details the pinout for the 4-pin Pollack float connector for single and dual float setups.

Controller Menus

Menu Access and Navigation

Explains how to enter and navigate controller menus using the keypad.

Password Entry and Editing

Describes the password screen for restricted editing and the process of editing parameters.

Exiting Menu Screens

Outlines how to exit menu screens and the effect on edits and password state.

Reset to Factory Settings

Factory Reset Procedure

Step-by-step instructions for resetting the controller to factory default settings using JP10 pins.

Factory Settings

Engine Settings Configuration

Table detailing factory default settings for speed, oil pressure, temperature, fuel level, and battery.

Control Settings Configuration

Table showing factory default settings for cranks, duration, and optional digital inputs.

RPM Calibration Procedure

Instructions on how to calibrate the RPM display by adjusting circuit board settings.

Terminal Strip Connections

Engine/System Input Connections

Lists terminal connections for engine and system inputs, with pin numbers and descriptions.

Engine Operation Output Connections

Lists terminal connections for engine operation outputs, including fault and alarm signals.

TTL Outputs

TTL Output Behavior

Explains the voltage behavior of TTL outputs when active and inactive.

Specific TTL Outputs

Lists specific TTL outputs such as shutdown indicators and engine run indicator.

Dipswitches

Dipswitch Definitions

Provides definitions for each dipswitch, noting which ones are used.

Dipswitch Setting Changes

Explains the procedure for changing dipswitch settings and the need to cycle power.

Self Charging Battery System

SCBS Purpose and Conditions

Describes the function of the SCBS and the conditions required for its operation.

SCBS Operation Results

Details the sequence of events when the SCBS initiates an engine start for battery charging.

Warranty

Seller Warranty Terms

Outlines the seller's warranty for products, covering defects and limitations.

Liability Limitations

Specifies limitations on the seller's liability for damages arising from product use or warranty breaches.

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