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Siemens OCM III User Manual

Siemens OCM III
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Instruction Manual November 2005
OCM III
open channel

Table of Contents

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Siemens OCM III Specifications

General IconGeneral
BrandSiemens
ModelOCM III
CategoryMeasuring Instruments
LanguageEnglish

Summary

Introduction and Overview

About This Manual

Provides information for installing, starting up, and operating the OCM-3.

About the OCM-3

Describes the OCM-3 as an electronic instrument for measuring flow in open channels.

Specifications and Component Details

Power, Environmental, and Memory Specs

Details power, environmental conditions, and memory back-up specifications.

Range, Resolution, and Accuracy

Specifies operational range, measurement resolution, and accuracy.

Programming and Communication Specs

Outlines programming methods and communication link specifications.

Transducer, Sensor, and Cabling

Details transducer, sensor models, and recommended cabling.

Communication Software

Information on the provided utilities software for communication.

Installation and Wiring Guides

Installing the OCM-3 Unit

Guidelines for mounting the OCM-3 in a suitable environment.

Outline and Mounting Dimensions

Provides physical dimensions and mounting hole details for the enclosure.

OCM-3 Layout and System Diagram

Illustrates internal layout and system connectivity diagrams.

Transducer and Sensor Wiring

Details the basic wiring instructions for the transducer and temperature sensor.

Power and Synchronization Connections

Guide for connecting power supplies and synchronizing multiple units.

Start-Up and Operational Procedures

Initial Start-Up and Keypad Functions

Covers initial programming, keypad usage, and language selection.

Fundamental Operational Checks

Checks to ensure accurate flow and head measurements before operation.

Operation Modes and Parameters

Explains memory, security, units, flow calculation, display, and damping.

Advanced Operation Features

Covers fail-safe, logging, blanking, temperature, time, emulation, and reset.

Input and Diagnostic Features

Details velocity input, auxiliary head input, DC output, and diagnostics.

Parameter Reference Guides

'D', 'F', and 'P' Parameter Listings

Comprehensive listings and descriptions for D, F, and P parameters.

'U' Parameters for Primary Elements

Lists 'U' parameters required for various primary flow elements.

Primary Element Flow Calculation Setup

Simple Exponential Devices (P3=0)

Setup for exponential devices like weirs and venturis.

BS-3680 Flumes and Weirs (P3=1-7)

Configuration for various BS-3680 flumes and weirs.

Pipe and Flume Types (P3=8-12)

Configuration for round pipes, Palmer-Bowlus, H-Flumes, and Universal Head.

Area x Velocity Methods (P3=13-20)

Configuration for flow calculation based on channel area and velocity.

Maintenance, Communication, and Software Tools

Routine Maintenance and Error Codes

Guidance on cleaning, inspection, and troubleshooting with error codes.

Communication Interfaces and Interconnection

Details serial communication options and connection diagrams.

Utilities Software and Custom Programming

Features of the utilities software and custom communication program.

Modem Communication Setup

Guidelines for establishing communication via telephone modem.

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