SMAR DC303 Guía de instalación

DC303

D C 3 0 3 M E

FEV / 18

REMOTE I/O PROFIBUS - PA

VERSION 3

OPERATION & MAINTENANCE

INSTRUCTIONS MANUAL

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Introduction

III

INTRODUCTION

Until all types of devices are available with Profibus-PA systems will have to be of a hybrid nature

accepting both Profibus and conventional signals. A mixed traditional and Profibus environment is

inevitable during the transition to a Profibus technology. DC303 makes integration of Profibus and

conventional I/O easy. Discrete devices such as pressure switches, push buttons, on/off valves,

pumps and conveyors are integrated to the system over the Profibus-PA field-level network using

DC303. The DC303 remote I/O units can be distributed into the field where they are mounted close

to the conventional devices without the need to run the conventional wiring to the control room. The

DC303 is an integral part of SYSTEM302 but also it integrates into other systems supporting

Profibus.

The DC303 makes conventional analog and discrete inputs and outputs available using standard

Profibus-PA Function blocks making the system homogenous and control strategy configuration

easy as conventional I/O appears as if they were regular Profibus devices. Control loops are

implemented consistently regardless of I/O being conventional or Profibus based. Only a single

programming language has to be used.

The DC303 is a simple low-cost DIN-rail mounted unit. The DC303 is a single integrated easy to

use piece of equipment including power, control, networking and I/O under one compact device

requiring less panel space than other solutions.

Function block like Discrete Input and Discrete Output, as well FFB (Flexible Function Block)

enables the DC303 to perform logic and r control functions in the field integrating the control

strategy with other Profibus devices on the same network. Function blocks provide great flexibility in

control strategy. Conventional discrete I/O now works together with pure Profibus devices on the

same network and in the same loop. The DC303 is fully configured SYSTEM302 or any other

Profibus-PA configuration tool. Function blocks provide logic such as AND, OR, NAND etc. as well

as latches etc.

The DC303 may be installed close to the sensors and actuators, thereby eliminating long wire runs

and associated marshalling panels and cable trays for the conventional I/O, with subsequent

savings further reducing overall system cost. Use DC303 to make it possible to distribute I/O at

various locations in the field and connect them via Profibus-PA. DC303 is ideal to connect motor

control centers, variable speed drives, and electrical actuators and motor operated valves to

Profibus-PA.

Get the best result of the DC303 by carefully reading these instructions.

NOTE

In case of using Simatic PDM as the configuration and parameterization tool, Smar

recommends that the user does not apply the option "Download to Device". This function

can improperly configure the field device. Smar recommends that user make the use of the

option "Download to PG / PC" and then selecting the Device Menu, use the menus of the

transducer, function and display blocks acting specifically, according to each menu and

method for reading and writing.

WARNING

This manual applies to equipment with a serial number from 2000 onwards.

NOTE

For previous DC303 versions (with plastic cowling), pick up equivalent manual.

DC303 –Operation and Maintenance Instruction Manual

Waiver of responsibility

The contents of this manual abides by the hardware and software used on the current equipment

version. Eventually there may occur divergencies between this manual and the equipment. The

information from this document are periodically reviewed and the necessary or identified corrections

will be included in the following editions. Suggestions for their improvement are welcome.

Warning

For more objectivity and clarity, this manual does not contain all the detailed information on the

product and, in addition, it does not cover every possible mounting, operation or maintenance

cases.

Before installing and utilizing the equipment, check if the model of the acquired equipment complies

with the technical requirements for the application. This checking is the user’s responsibility.

If the user needs more information, or on the event of specific problems not specified or treated in

this manual, the information should be sought from Smar. Furthermore, the user recognizes that the

contents of this manual by no means modify past or present agreements, confirmation or judicial

relationship, in whole or in part.

All of Smar’s obligation result from the purchasing agreement signed between the parties, which

includes the complete and sole valid warranty term. Contractual clauses related to the warranty are

not limited nor extended by virtue of the technical information contained in this manual.

Only qualified personnel are allowed to participate in the activities of mounting, electrical connection,

startup and maintenance of the equipment. Qualified personnel are understood to be the persons

familiar with the mounting, electrical connection, startup and operation of the equipment or other

similar apparatus that are technically fit for their work. Smar provides specific training to instruct and

qualify such professionals. However, each country must comply with the local safety procedures,

legal provisions and regulations for the mounting and operation of electrical installations, as well as

with the laws and regulations on classified areas, such as intrinsic safety, explosion proof, increased

safety and instrumented safety systems, among others.

The user is responsible for the incorrect or inadequate handling of equipments run with pneumatic

or hydraulic pressure or, still, subject to corrosive, aggressive or combustible products, since their

utilization may cause severe bodily harm and/or material damages.

The field equipment referred to in this manual, when acquired for classified or hazardous areas, has

its certification void when having its parts replaced or interchanged without functional and approval

tests by Smar or any of Smar authorized dealers, which are the competent companies for certifying

that the equipment in its entirety meets the applicable standards and regulations. The same is true

when converting the equipment of a communication protocol to another. In this case, it is necessary

sending the equipment to Smar or any of its authorized dealer. Moreover, the certificates are

different and the user is responsible for their correct use.

Always respect the instructions provided in the Manual. Smar is not responsible for any losses

and/or damages resulting from the inadequate use of its equipments. It is the user’s responsibility to

know and apply the safety practices in his country.

Table of Contents

TABLE OF CONTENTS

SECTION 1 - INSTALLATION.................................................................................................................. 1.1

GENERAL.....................................................................................................................................................................1.1

MOUNTING..................................................................................................................................................................1.1

ELECTRIC WIRING .....................................................................................................................................................1.2

TOPOLOGY AND NETWORK CONFIGURATION......................................................................................................1.5

GENERAL SYSTEM.....................................................................................................................................................1.6

SECTION 2 - OPERATION....................................................................................................................... 2.1

FUNCTIONAL DESCRIPTION –ELECTRONICS .......................................................................................................2.1

(CPU) CENTRAL PROCESSING UNIT, FRAM.......................................................................................................................... 2.1

COMMUNICATION CONTROLLER ........................................................................................................................................... 2.1

POWER SUPPLY....................................................................................................................................................................... 2.1

FACTORY RESET...................................................................................................................................................................... 2.1

INPUT LATCHES ....................................................................................................................................................................... 2.1

OUTPUT LATCHES ................................................................................................................................................................... 2.1

OPTICAL ISOLATION................................................................................................................................................................ 2.1

SECTION 3 - CONFIGURATION.............................................................................................................. 3.1

CONNECTING PHYSICAL SIGNALS TO DIGITAL INPUT BLOCK...........................................................................3.1

CONNECTING PHYSICAL SIGNALS TO DIGITAL OUTPUT BLOCK.......................................................................3.1

EXAMPLES OF APPLICATIONS................................................................................................................................3.2

EXECUTING LOGIC WITH DC303.............................................................................................................................3.3

DESCRIPTION........................................................................................................................................................................... 3.3

STATUS ..................................................................................................................................................................................... 3.3

SUPPORTED MODES ............................................................................................................................................................... 3.3

SCHEMATIC............................................................................................................................................................................... 3.4

PARAMETERS........................................................................................................................................................................... 3.4

FUNCTIONS............................................................................................................................................................................. 3.10

TP TIMER PULSE.................................................................................................................................................................... 3.10

TON TIMER ON-DELAY........................................................................................................................................................... 3.10

TOF TIMER OFF-DELAY ......................................................................................................................................................... 3.11

CTD PULSE COUNTER DOWN .............................................................................................................................................. 3.12

CTU PULSE COUNTER UP..................................................................................................................................................... 3.12

RS FLIP-FLOP ......................................................................................................................................................................... 3.12

SR FLIP-FLOP ......................................................................................................................................................................... 3.12

ERROR CODE ..........................................................................................................................................................3.13

EXAMPLE OF APPLICATIONS.................................................................................................................................3.14

DC303 CYCLICAL CONFIGURATION......................................................................................................................3.17

CYCLICAL DIAGNOSIS............................................................................................................................................3.19

ADDRESSING THE DC303.......................................................................................................................................3.21

DOWNLOAD USING SIMATIC PDM ........................................................................................................................3.22

SECTION 4 - MAINTENANCE PROCEDURES........................................................................................ 4.1

GENERAL....................................................................................................................................................................4.1

DISASSEMBLY PROCEDURE ...................................................................................................................................4.1

REASSEMBLY PROCEDURE ....................................................................................................................................4.1

FIRMWARE UPDATE PROCEDURE .........................................................................................................................4.2

BOARDS INTERCHANGEABILITY.............................................................................................................................4.2

ACCESSORIES...........................................................................................................................................................4.2

EXPLODED VIEW.......................................................................................................................................................4.3

SPARE PARTS............................................................................................................................................................4.3

SECTION 5 - TECHNICAL SPECIFICATIONS......................................................................................... 5.1

GENERAL....................................................................................................................................................................5.1

DC303 INPUTS ...........................................................................................................................................................5.1

DESCRIPTION-INPUTS............................................................................................................................................................. 5.1

TECHNICAL SPECIFICATIONS................................................................................................................................................. 5.1

DC303 OPEN COLLECTOR OUTPUTS.....................................................................................................................5.2

DESCRIPTION –OUTPUTS...................................................................................................................................................... 5.2

DC303 –Operation and Maintenance Instruction Manual

TECHNICAL SPECIFICATIONS................................................................................................................................................. 5.2

ORDERING CODE......................................................................................................................................................5.2

APPENDIX A –SRF –SERVICE REQUEST FORM ................................................................................A.1

RETURNING MATERIALS..........................................................................................................................................A.2

Installation Flowchart

VII

Installation Flowchart

START

ATTENTION

Get the best results of the DC303

by carefully reading all instructions manual.

Install the DC303 using DIN

rail in panel mounting.

Check the area classification and

respective practices. For explosion-proof

installations use certified enclosure

to put the DC303.

Power the DC303 outputs and inputs

according to the connection diagram.

(Section 1, Figures 1.5 and 1.6)

Are the inputs

OK? NO

YES

*More information in Section 1 from DC303. Operation, Maintenance and Instructions Manual.

Check the power, input, output and

communication LEDs when

establishing the communication.

●

Check power;

Check cabling and connections.

Are the outputs

OK?

●

Check power;

Check cabling and connections;

Check if the outputs are open collector;

Check the load limits.

Before powering up the DC303, please

read Section 3:Addressing the DC303. Before powering up the DC303, please

read Section 3: Addressing the DC303.

Check the load limits.

(Section 5)

YES

ATTENTION

*More information in Section 1 of DC303. Operation, Maintenance and Instructions Manual.

DC303 –Operation and Maintenance Instruction Manual

VIII

Section 1

1.1

INSTALLATION

General

ATTENTION

Before powering up the DC303, please, read Section 3: Addressing the DC303.

The overall accuracy of measurement and control depends on several variables. Although the

Profibus Remote I/O has an outstanding performance, proper installation is essential, in order to

maximize its performance.

Among all factors, which may affect the accuracy, environmental conditions are the most difficult to

control. There are, however, ways of reducing the effects of temperature, humidity and vibration.

Locating the Profibus Remote I/O in areas protected from extreme environmental changes can

improve its performance.

In warm environments, the Profibus Remote I/O should be installed to avoid, as much as possible,

direct exposure to the sun. Installation close to lines and vessels subjected to high temperatures

should also be avoided.

Use of sunshades or heat shields to protect the Profibus Remote I/O from external heat sources

should be considered, if necessary.

Humidity is fatal to electronic circuits. In areas subjected to high relative humidity, the protection

cover must be provided.

For details of mounting, please, refer to Figure 1.1 and Figure 1.2

Mounting

Use DIN rail (TS35-DIN EN 50022 or TS32-DIN EN50035 or TS15 DIN EN50045), as shown in

Figure 1.1 –Mechanical Mounting. The DC303 can optionally be supplied preinstalled in an

enclosure ready for field mounting.

LOCK

DIN

RAIL

Figure 1.1- Mechanical Mounting

DC303 –Operation and Maintenance Instruction Manual

1.2

174

1,6

(6.85)

63,5

(2.5)

(0.06)

(0.98)

77,3

(3.04)

NOTE

The measurements are in mm.

Electric Wiring Access the wiring block by the front View with label for inputs, outputs power supply and bus

connection. The connections are made using the screws.

SCREWS

LABEL

Figure 1.3 - Terminal Block Connections

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