MSA MDU-102 User manual

Limited Liability Company

«NPK MORSVYAZAVTOMATICA»

26E, Kibalchicha str., 192174,

St. Petersburg, Russia

Phone.: +7 (812) 622-23-10

Fax: +7 (812) 362-76-36

[email protected]

www.unicont.com

NMEA AMPLIFIER-DISTRIBUTOR

MDU-102

Operating manual

Operating Manual

Table of contents

INTRODUCTION.........................................................................................................................3

1DESCRIPTION AND OPERATION OF THE PRODUCT...............................................4

1.1 Description............................................................................................................................4

1.2 Technical specifications........................................................................................................4

1.3 Structure and operation of the Product..................................................................................5

1.4 Measurement instruments, tools and appliances...................................................................6

1.5 Marking and sealing..............................................................................................................7

1.6 Packaging..............................................................................................................................7

2INTENDED USE OF THE PRODUCT................................................................................8

2.1 Operational constraints..........................................................................................................8

2.2 Usage preparations................................................................................................................8

2.3 Usage of the product .............................................................................................................9

3TECHNICAL SERVICE OF THE PRODUCT.................................................................19

3.1 General description .............................................................................................................19

3.2 Safety features.....................................................................................................................19

3.3 Maintenance routine............................................................................................................19

3.4 Preservation.........................................................................................................................20

4CURRENT REPAIR OF THE PRODUCT........................................................................21

4.1 General description .............................................................................................................21

4.2 Safety features.....................................................................................................................21

4.3 Current repair ......................................................................................................................21

5STORAGE.............................................................................................................................22

6TRANSPORTATION...........................................................................................................23

7DISPOSAL.............................................................................................................................24

8WARRANTY OBLIGATIONS...........................................................................................25

APPENDIX A (MANDATORY) OUTLINE AND INSTALLATION DIMENSIONS.........26

NMEA amplifier-distributor

MDU-102

INTRODUCTION

This operating manual (hereinafter referred to as OM) is intended to describe the

structure, operating principles, technical specifications and service of NMEA amplifier-

distributor MDU-102 (hereinafter referred to as the Product, the MDU).

In addition to the instructions given in this document, the safety regulations and

rules applicable in the field shall be observed.

Only those who have read and understood this document and those who have

had special training shall be permitted to operate with the Product according to the ap-

plicable regulations.

Terms and abbreviations:

OM –operating manual;

S –software;

SB –storage battery;

SC –short circuit;

TS –technical service;

CL –check list;

MDU –NMEA amplifier-distributor MDU-102;

LFSG –large fine-pored silica gel granular.

Operating Manual

1DESCRIPTION AND OPERATION OF THE PRODUCT

1.1 DESCRIPTION

The Product is designed for the multiplication of NMEA 0183 signals, version

1-3 (IEC 61162-1, 61162-2) or other serial data transmissions via RS-232 and

RS-422/485 interfaces from one or two sources. The unit provides a checksum test for

data received on the first channel.

1.2 TECHNICAL SPECIFICATIONS

Technical specifications of the Product are represented in Table 1.

Table 1 –General technical specifications of the Product

Parameter

Value

Electrical specifications

Input voltage, DC, V

24 (9.5…36.0)

Max. power consumption, W

Galvanic isolation from power mains

Reverse polarity protection

Overvoltage protection

Inputs

Number of input ports, pcs.

2 («CH»1, «CH2»)

Supported interfaces

RS-232, RS-422/485

Max. baud rate, bit/s

115200

Optoisolation of inputs

Outputs

Number of output ports, pcs.

8 (2×4)

Number of output groups

2 («A»and «B»)

Output optoisolation

4 non-isolated

4 isolated

Supported interfaces

RS-232, RS-422/485

Max. baud rate, bit/s

115200

General specifications

Overall dimensions, mm

194×119×31

Protection degree

IP22

Limiting temperature, °С

–60…+70

Operating temperature, °С

–15…+55

Weight, kg

0.65

NMEA amplifier-distributor

MDU-102

1.3 STRUCTURE AND OPERATION OF THE PRODUCT

1.3.1 The Product is manufactured in metal casing where a grounding stud and

connection ports are located, see Figure 1.

Figure 1 –The Prodict’s appearance

The Product’s functional elements are represented in Table 2.

Table 2 –Functional elements

№

Element

Type, size and

identifier

Description

Ports

–

To connect power supply and data input

(output)

Grounding stud

М4х10

Main element of the Product grounding

Note –Positions (№) are shown in Figure 1.

1.3.2 The Product connection via RS-232 and (or) RS-422/485 interfaces is

shown in Figure 2. Assignment of port terminals is represented in Table 3.

Figure 2 –RS-232 and (or) RS-422/485 connection diagram

Operating Manual

Table 3 –Assignment of the Product port terminals

Connector

Terminal №

Description (assignment)

«12/24V»

To connect input power supply

–

«CH1»

To input data

«CH2»

«AI 1», «AI 2»,

«BI 1», «BI 2»

To output data via optoisolated outputs

«A 1», «A 2»,

«B 1», «B 2»

To output data

1.4 MEASUREMENT INSTRUMENTS,TOOLS AND APPLIANCES

Consumables required for the TS are represented in Table 4.

Table 4 –Consumables required for the TS

Name and identifier

of consumables

Amount

of consumables

Note

Cleaning cloth

0.10 kg

1To clean the Product’s surface – use clean cloth;

2To remove severe contamination –use cloth soaked in

alcohol

Rectified hydrolytic

technical ethyl alcohol

0.05 l

To soak cloth and remove contamination from screen

Varnish

0.05 kg

To cover surfaces of the Product in case of paint coating

damage

Abrasive cloth

0.06 х 0.06 m

To polish surfaces of the Product in case of paint coating

damage

NMEA amplifier-distributor

MDU-102

1.5 MARKING AND SEALING

The Product has a nameplate indicating name, serial number, date of manufac-

turing, weight, protection degree, input voltage and power consumption.

The sealing of the Product is not provided.

1.6 PACKAGING

At the time of delivery the Product is packed in a corrugated board box and in-

ner packaging (air bubble film) ensuring its transportation and storage at the warehouse.

Transport packaging is also used as a returnable packaging for transportation of

the Product to the repair location and back.

The sealing of transport packaging is not provided.

Operating Manual

2INTENDED USE OF THE PRODUCT

2.1 OPERATIONAL CONSTRAINTS

Select the installation site in compliance with operational constraints (operating

temperature and protection degree –IP).

Caution! Distance between the installation site and magnetic compass shall

not be less than 1 m!

2.2 USAGE PREPARATIONS

2.2.1 Safety features

While preparing the Product for operation, check it visually after unpacking;

mechanical damage shall be absent.

Connection to power mains shall be provided only in compliance with input

power requirements.

Before connecting the Product shall be switched off and have a proper ground-

ing.

While using the Product the staff shall follow “The technical rules for operation

of electric installation” and “Safety rules for operation of electric installation” while

testing electrical circuits and insulation resistance.

2.2.2 Visual check procedure

Before switching the Product on:

a) observe visually integrity and initial position of the controls on the front pan-

els;

b)check the absence of dust and dirt on the Product casing; clean with a soft

cloth if necessary, see Table 4;

c) check that cable connectors are securely connected to the Product and reliable

grounding.

2.2.3 Switching on instructions. While connecting the Product and preparing it

for operation follow the steps below:

a) transfer circuit breakers of main power switchboard to «OFF» position;

b)connect connection cables to the Product;

c) transfer circuit breakers of main power switchboard to «ON» position».

Note –The Product is ready for operation within 5 second after power supply.

NMEA amplifier-distributor

MDU-102

2.2.4 To switch The Product off:

a) transfer circuit breakers of main power switchboard to «OFF» position;

b)disconnect the connection cables.

2.3 USAGE OF THE PRODUCT

2.3.1 Operation modes

The MDU ensures operation in three modes:

a) Signal multiplication mode with select of active channel;

b) Independent mode of signal multiplication;

c) Signal multiplication mode with a checksum test.

Operation modes and other Product settings are carried out by

DIP-switches «SW1», see Figures 3, 4.

Figure 3 –MDU settings on DIP-switch «SW1»

Table of contents

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