Fema Electronica BDF-24-S Series Manuale utente

MODEL : S

OPERATOR'S MANUAL

LARGE DISPLAYS

FOR SERIAL ASCII INPUT

Series : BDF-24 & 26

BDF-44 & 46

32/97 Rev. 2409/01

Centro Industrial Santiga

Altimira 14 (Talleres 14, Nave 2)

Tel.: ++34 93 729 60 04 Fax : ++34 93 729 60 03

Apartado de Correos 49

E08210-BARBERÀDELVALLÈS

BARCELONA(ESPAÑA)

[email protected] www.fema.es

Page : 2

CONTENTS

DESCRIPTION SECTION PAGE

===========================================================================

IMPORTANTSAFETY CONSIDERATIONS 13

UNPACKING AND INSPECTION 24

MAINFEATURES 35

INSTRUMENTSDESCRIPTION 46

FRONTDESCRIPTION,MODELSBDF-24-S BDF-44-S 4.1 6

FRONTDESCRIPTION,MODELSBDF-26-S BDF-46-S 4.2 6

REARDESCRIPTION 4.3 6

GENERALSPECIFICATIONS 56

WIRING 68

POWERSUPPLY,RECOMMENDEDWIRING 6.1 8

PROTECTIONFUSES 6.2 8

SIGNALINPUTCONNECTION 6.3 8

OPERATINGDESCRIPTION 79

POWER-UP 7.1 9

OPERATINGMODES 7.2 9

INSTRUMENTADDRESSING 7.3 10

OVERLOADANDPOLARITYINDICATORS 7.4 10

BS-4505SUBSET 7.5 10

RECOGNISEDCODES 7.6 11

TABLEOFCHARACTERS 7.7 12

CONFIGURATION 813

POWERSELECTION 8.1 13

INSTRUMENTCONFIGURATION 8.2 13

CONFIGURATIONTABLESFORBRIGHTNESS, BAUDRATE,OPERATINGMODE

ADDRESSAND SUB-SET BS4505 8.3 14

CONFIGURATIONTABLESFORBITS, PARITYANDSIGNALINPUT 8.4 15

LEVELLOGICCONFIGURATION 8.5 15

CONFIGURATION PROCEDURE 916

EXAMPLE APPLICATIONS (For signal type RS-232) 10 16

SHIFTOPERATINGMODE,PROGRAMME EXAMPLE 10.1 17

STROBEOPERATING MODE,PROGRAMMEEXAMPLE 10.2 18

SHIFTOPERATINGMODEUSINGXON/XOFF,PROGRAMMEEXAMPLE 10.3 19

INSTALLATION 11 20

MECHANICALDIMENSIONS 12 20

WARRANTY 13 21

OTHER PRODUCTS 14 22

OPERATOR´s NOTES 15 23

CUSTOMER SERVICE CARD 16 24

DECLARATIONOF CONFORMITY 25

Page : 3

INSTALLATION

PRECAUTIONS.- Theinstallationandthe

future use of this unit

must be done by suit-

able qualified person-

nel.TheunithasnotAC

(mains) switch, it will

beinoperationassoon

aspowerisconnected.

The installation must

incorporate an external main switch.

The unit has a protection fuse incorporated on the AC socket, if it is

necessary to change or replace, use the time-lag fuse according to

IEC127/2 and the valuesindicated below.

200 mA when the unit is operating at 230 Vac

400 mA when the unit is operating at 115 Vac.

Install also the necessary devices to protect the operator and the

process when using the unit to control a machine or process where

injurytopersonnelordamagetoequipmentorprocess,mayoccuras

a result of failure of the unit.

Seeparagraph6,WIRINGandparagraph8,CONFIGURATIONand

check that all jumpers AND switches are on the correct position.

SAFETYPRESCRIPTIONS.-

TheunithasbeendesignedandtestedunderEN-61010-1rulesand

isdeliveredingoodcondition.Thisopera-

tor's manual contains useful information

for

electricalconnections.Donotmakewiring

signal changes or connections when

power is applied to the unit. Make signal

connectionsbeforepowerisappliedand,if

reconnection is required, disconnect the

AC (mains) power before such wiring is

attempted.

Installtheunitin placeswithagoodventilationtoavoidtheexcessive

heating. And far from electrical noise source or magnetic field

generators such as power relays, electrical motors, speed controls

etc...

The unit cannot be installed in open places. Do not use until the

installation is finished.

POWERSUPPLY.-

Thepowersupplymustbeconnectedtotheadequateterminals (see

theconnectioninstructions).Thecharacteristicsofthepowersupply

are showed on the label on the rear part. Please make sure that the

unit is correctly connected to a power supply of the correct voltage

andfrequency.

Donotuseotherpowersupplyotherwisepermanentdamagemaybe

caused to the unit.

Donotconnecttheunittopowersourcesheavilyloadedortocircuits

which power loads in cycle ON-OFF or to circuits which power

inductiveloads.

SIGNALWIRING.-

Certainconsiderationsmustbegivenwheninstallthesignalinputand

control wires. If the wires are longs can act like an antenna and

introduce the electrical noise to the unit, therefore :

Do not install the signal input wires in the same conduit with power

lines, heaters, solenoids, SCR controls etc....and always far from

theseelements.

When shielded wires are used, connect the shield to the common

terminalandleaveunconnectedtheotherendoftheshieldanddonot

connect to the machine ground.

1.- IMPORTANT SAFETY CONSIDERATIONS

SAFETYCONSIDERATIONS

PRESCRIPTIONS.-

Before starting any operation of adjustment, replacement,

maintenanceorrepair,theunitmustbedisconnectedfromanykind

ofpowersupply.

Keeptheunitclean,toassure goodfunctioning andperformance.

Use for it a clean and humid rag. Do not use for the frontal lens

abrasive products, solvents, alcohol, etc... because its transpar-

encecouldbedamaged

and this may cause dif-

ficulty for a correct vi-

sionof the reading.

To prevent electrical or

fire hazard, do not ex-

pose the unit to exces-

sivemoisture.

Do not operate the unit

inthepresenceofflam-

mable gases or fumes, such as environment

constitutes a definite safety hazard. The unit is designed to be

mounted in a metal panel.

Iftheunitshowssignsofdamage,orisnotabletoshowtheexpected

measures, or has been stored in a bad conditions or a protection

failure can occur, then do not attempt to operate and keep the unit

outofservice.

IN CASE OF FIRE

1.- Disconnect the unit from the power supply.

2.- Give the alarm according to the local rules.

3.- Switch off all the air conditioning devices.

4.-Attackthefire withcarbonicsnow, donotuse waterinany case.

WARNING : In closed areas do not use systems with

vaporized liquids.

CONNECTIONS

All wiring connections are made using push-in cable connectors.

There is a separate connector block for power supply and input

signals. Please make sure that each connector block is connected

onthe adequate place.

Thewirecrosssectionrecommendedforsignalinputsis1mm2and

for power supply 2.5 mm2.

PANELMOUNTING

Verifythatthepanelcut-outiscorrectlyaccordingtothedimensions

indicated on page 20 with a minimum depth of 150 mm. (5.9").

Install the fixation pieces in the lateral guides of the unit by its rear

part and then turn the screw firmly against the panel, until the unit

is totally hold on.

Seeparagraph 11 on page20.

Page : 4

Number of digits

4 = 4 digits

6 = 6 digits

Display color : R = Red

G = Green

Model reference : S

Basic serie

Digit size

2=57mm(2.3")

4=100mm(4")

Iftherearesomedoubtsorenquiriesaboutthepresentinstrument,pleasecontactwithyourLocalDistributoror

with FEMA ELECTRÓNICA,S.A.

When the shipment is arrived remove the Packing List and verify that you have received all equipment.

Then inspect the box and the instrument, and if there is evidence of damage caused by bad handling during

thetransport,itisadvisabletomake acareful inspectionofalldamages makinganoteofallofthemandtopass

on this information directly to the Transport Company.

If this occurs but with insured material, ask the Transport Company for instructions about submitting a claim.

2.- UNPACKING AND INSPECTION

It is advisable to do a detailed reading of this Manual before mounting the instrument. This Operator's Manual

contains all the technical specifications : electricals as well as mechanics, both necessary to do a correct

installation and also a good use of the instrument.

At the same time the user will acquire the knowledge needed to obtain the best performances of the product.

Check that inside the present cardboard box, there are the following :

1 Instrument Model BDF-XX-S.

1Operator'sManual.

1 Connector for Power Supply.

1 Screw-clamp connectors, 4 pins female for signal inputs.

2 Pieces for fixing the unit against the panel.

REFERENCE KEY

All models have a label on the rear part with their references printed on the following format :

Power supply

0 = 230 Vac 50/60 Hz.

1 = 115 Vac 50/60 Hz.

BDF- XX- X- X-X

Page : 5

3.- MAIN FEATURES

The BDF-XX-S are a four or six digits plus polarity (only minus) character remote display module. They accept

serial ASCII coded data into a differential or single ended line receiver, at common baud rates.

Numeric data and a selection of other characters can be displayed. The character set includes decimal point,

overload/alarm and negative sign. Simple messages e.g. Hi Al, Lo Al, °C, °F can be formed with characters

presentableonsevensegmentdisplays.

Units connected on a common data line may be individually addressed. This is achieved by sending code 03

followed by 02 (or XOFF XON), an address from 0 to 31 (ASCII 30 to 4F) and the data. The address 0 (ASCII

30) is common to all remote displays for simultaneous display of the same message.

Theunitmay be switch programmed to operate in a "strobed"modewhereby the data string is transferred to the

display on reception of a carriage return. Alternatively a "shift" mode can be used in which the characters are

displayed according to their current position in the input shift register.

Serie BDF-24-S : 4 digits type LED, seven segments, red or green colour with 57 mm (2.3") height and

minus sign for polarity.

Serie BDF-44-S : 4 digits type LED, seven segments, red or green colour with 100 mm (4") height and

minus sign for polarity.

Serie BDF-26-S : 6 digits type LED, seven segments, red or green colour with 57 mm (2.3") height and

minus sign for polarity.

Serie BDF-46-S : 6 digits type LED, seven segments, red or green colour with 100 mm (4") height and

minus sign for polarity.

The common features for all series are the following:

MECHANICAL.-

Housed in a rugged extruded aluminium profile housing for panel mounting or free standing.

Finished in anodized black colour. The frontal lens is mounted with a special rubber profile which

provides the front part of the unit with an IP-65 protection.

The product has been designed to fulfil a need for use in process control environments and the

characters are easily readable at large distances.

CONNECTIONS.-

ConnectionsforSignalInputsaremadeusingonescrew-clampconnectoroffourterminalslocated

on the rear part of the unit.

The recommended wire cross section for signal input is 1 mm2.

Connection for Power Supply uses a push-in cable connector with 2 terminals for power and 1

terminal for earth.

The fuse is located in the Power Supply socket, as well as the spare fuse.

Page : 6

C D

N/C PowerSupply

Fixationscrews

N/C

SignalInput

Connector.

5.-GENERALSPECIFICATIONS

DISPLAY

Type 4 or 6 digits, 7 segments, red or green LED.

Heightdigit 57 (2.3") or 100 mm. (4")

Range -9999 to 9999 or -999999 to 999999

Polarity Minus only (-)

Decimalpoint Programmableposition.

INPUTSIGNALS Selectablebyinternaljumpers.

TTLlevel Inputimpedance . . . . >12 KΩ

Logic 1. . . . . . . . . . . . ≥ 2 V = stop bit

Logic 0. . . . . . . . . . . . ≤0.8 V = start bit

Maximuminput . . . . . . +12 to -7 V.

4.- INSTRUMENTS DESCRIPTION

4.1 FRONT DESCRIPTION, MODELS : BDF-24-S and BDF-44-S

A : Overrange indicator.

B : Minus sign.

C : Decimal points.

D : 4 digits, seven segments.

4.2 FRONT DESCRIPTION, SERIES : BDF-26-S and BDF-46-S

A : Overrange indicator.

B : Minus sign.

C : Decimal points.

D : 6 digits, seven segments.

4.3 REAR DESCRIPTION

Page : 7

2 mA Loop Logic1 . . . . . . . . . . . . ≥ 1.6 mA = start bit

Logic0 . . . . . . . . . . . . ≤0.2 mA = stop bit

Level . . . . . . . . . . . . . Internaljumperreversible

Voltagedrop. . . . . . . . 1 V max at 2 mA.

Max.loopcurrent . . . . 0.5 A.

20mALoop Logic1 . . . . . . . . . . . . ≥ 16 mA = start bit

Logic0 . . . . . . . . . . . . ≤2 mA = stop bit

Level . . . . . . . . . . . . . Internaljumperreversible

Voltagedrop. . . . . . . . 1 V max at 20 mA.

Max.loopcurrent . . . . 0.5 A.

Bipolar ±5 V Inputimpedance. . . . . >12 KΩ

RS-423 Logic1 . . . . . . . . . . . . ≥ 0.5 V = start bit

Logic0 . . . . . . . . . . . . ≤0 V = stop bit

Openline . . . . . . . . . . Idle

Level . . . . . . . . . . . . . Internaljumperreversible

Maximuminput . . . . . ±7 V.

Bipolar±15V Inputimpedance. . . . . >30 KΩ

RS-232 Logic1 . . . . . . . . . . . . ≥ 3 V = start bit

(Default Logic0 . . . . . . . . . . . . ≤-3 V = stop bit

Setting) Openline . . . . . . . . . . Idle

Level . . . . . . . . . . . . . Internaljumperreversible

Maximuminput . . . . . ±15 V.

Differential Threshold . . . . . . . . . . Less than ±0.2 V. Internal charge.

RS422/485 Hysteresis . . . . . . . . . 70 mV typical

Inputimpedance. . . . . >12 KΩ

Max. diff. input . . . . . . ±12 V.

Max. Volt. relative to

signalcommon. . . . . . +12/-7 V.

Termination . . . . . . . . 121Ω jumperselectable

Receiverloop . . . . . . . . . . . . . . . . . 2 mA or 20 mA ±20%

Source Opencircuitvoltage . . 5 V. ±5%

Compliance . . . . . . . . 3 V at 2 or 20 mA.

HANDSHAKE . . . . . . . . . . . . . . . . . . Nohandshakerequired,terminalacceptscontinuousdata.

ENVIRONMENTAL

Operatingtemperature . . . . . . . 0 to +50 ºC (32 to 122 ºF).

Storagetemperature . . . . . . . . -20 to +85 º C (-4 to 185 ºF).

Relativehumidity . . . . . . . . . . . 0 to 85 % not condensed.

Protection . . . . . . . . . . . . . . . . IP65. (Frontpartonly).

MECHANICAL

Casematerial . . . . . . . . . . . . . Aluminiumextruded.

Finished. . . . . . . . . . . . . . . . . . Anodized, black colour.

Fordimensions, panel cut-out, depthand weight see table on page 20

ELECTRICAL

Standardpowersupply . . . . . . 230 Vac. ±10% 50 / 60 Hz.

Consumption . . . . . . . . . . . . . . See table on page 20.

Page : 8

6.-WIRING

6.1.- POWER SUPPLY, RECOMMENDED WIRING

FUSE and spare fuse.

Main switch

POWERSUPPLY

230 Vac (115 Vac Optional).

6.2.- PROTECTION FUSES

6.3.- SIGNAL INPUT CONNECTION

The serial ASCII input circuit can be set to one of 10 arrangements. Unless otherwise specified at the time of order,

the input circuit will be factory default set for RS-232 levels. If you are in any doubt about the input conditions, it is

advisable to remove the rear panel of the unit and inspect the internal jumper switch positions.

The operating mode of the unit and baut rate are, unless otherwise specified at the time of order, set for the default

settings of :

MODE : strobed display BAUD : 1200 ADDRESS : 0 BITS : 8 PARITY : none

If you are in any doubt about these settings, they can be determined by powering up the unit with the input line idle,

and observing the display at power-up.

To change any set-up conditions see the configuration section

The unit has a protection fuse located on the power supply

socket.

If this fuse must be replaced or changed because the power

supplyis changed, use the time-lagfuse according to IEC 127/

2 with the values indicated on the table.

N/C

Connections are : 4 way pin connection.

Pin 1 = Signal B

Pin 2 = Signal A

Pin 3 = Signal common

Pin 4 = Not used.

Note: Signal common should begrounded

to system common.

Signal Input SignalInputConnector

Type Pin 1 Pin 2 Pin 3

RS-232 ±15 V Input +5 V GND

RS-422/RS-485 Signal B Signal A GND

InternalLoad

RS-422/RS-485 Signal B Signal A GND

ExternalLoad

RS-423 ±5 V Input +5 V GND

2 mALoopPowered Loop- Loop + not used (Loopinternallypowered)

Loop+ not used Loop- (Loopexternallypowered)

20 mALoopPowered Loop- Loop + notused (Loopinternallypowered)

Loop+ not used Loop- (Loopexternallypowered)

TTLLevel +5 V Input GND

Signal connections are different for different input configurations. They are as follows :

Power Fuse

Supply value

230 Vac 0.2 A

115 Vac 0.4 A

Page : 9

NOTE : 4 digit version does

nothave 2 left hand

characters.

Baud RATE

Recognition ADDRESS

Input Signal LEVEL

Operating MODE

PARITY

NumberofBITS

Polarity

indicator

Overload

indicator

7 6 5 4 3 2 1

Character 1, Baud RATE displayed will be a number from 0 to 7. Factory default is 3 (1200 baud).

Character2,RecognitionADDRESS:TheADDRESSdisplayedwillbe0bydefault(30h)oroneof31othernumeric

and alphanumeric characters from 1 through to letter O. See Table of Characters.

Character3,InputSignalLEVEL,willshowasymbol"L"foracorrectidleconditionorasymbol"H"foranincorrect

idlecondition.ForRS485signals,ensuresthetransmitterisinactivedrivingcondition,sincea485driverinareceive

condition may give a correct idle indication even if the signal wires are transposed.

Character4,OperatingMODEdisplayedwillbe"F"forshiftmode,or"r"forstrobemode,whichisthefactorydefault.

Character5,PARITYwillshowthesymbol"I",bydefault,whichmeans"Ignored"oroneofthefollowingcharacters

; "n" for none, "o" for Odd and "E" for Even.

Character 6, Number of BITS displayed will be 7 for seven bits or 8 for eight bits.

Character 7, will show the Polarity indication.

After 3 seconds of power-up the display will shown "- - - - - - -", (all middle bar and polarity indicator is light-up)

it means that the instrument is ready to receive data, and all printable characters received (20, 2B, 2D, 2E and

30 to 5F) will be displayed directly if the instrument is programmed in shift mode or after receiving the code 0D

in strobe mode.

It is convenient in this moment and before starting the addressing mode, to send a character XOFF or ETX to

clear the internal buffer from uindesirable data. (XOFF recommended).

7.2.- OPERATING MODES

The following serial ASCII protocols are DIP switch selectable :

Mode 0 : Each printable character as it is received is placed in the least significant position and all characters are

shifted left one position. Following a carriage return character, the next valid character received causes

thedisplaytoclearandthatcharacterisplacedintheleastsignificantposition.(Ifitisaprintablecharacter)

Mode 1 : Printablecharactersareplaced in a buffer onreception. Receiptofthecarriagereturncharactercauses

the buffer contents to be transferred to the display.

7.-OPERATINGDESCRIPTION

7.1.- POWER-UP

Having determined that the unit has been configured for the correct input signal, connect the mains plug to a

suitable AC power source and the signal input to the signal source.

Ensure that the source is an idle condition, i.e. not transmitting data, and switch on the mains power.

The unit will power-up displaying its recognition address, its baud rate, the condition at the signal input, its

operating mode, the parity and bits number.

The display will be as follows :

Page : 10

STX Address(hex) Data ETX

1 byte 1 byte n bytes 1 byte

Do not add CR character.

Total bytes = n + 3

XON Address(hex) Data XOFF

1 byte 1 byte n bytes 1 byte

For STROBE MODE add CR (0D hex) to the data.

Total bytes = n + 3

7.3.- INSTRUMENT ADDRESSING.

HavingreceivedtheETXorXOFFcharacter,starttheaddressingsendingtheSTXorXONcharacter,thenextcharacter

received is the address of the unit that is to receive data.

There are 32 possible addresses, from code 30 to code 4F hex. These correspond to addresses set up on the switch

jumper on the card. Selector S4.

AfteraddresscharactersenddatacharactersfollowedbyacharacterXOFForETXtostopthedatareceptionandfinish

theaddressselection.

Units with the address, "0" (ASCII 30 hex), will display all data, including the address code sent, and this address will

cause any unit to receive data.

Theinstrumentpowers-upinthelisteningcondition,soETXorXOFFmustbesenttotheunittostarttheaddressingmode.

Note the ETX character is treated as a carriage return character, in addition to an XOFF character, strobing the last

string into the display.

WhenusingETX,STXasseparators for data strings the CR character should be omitted from the end of strings, else

ablankdisplaywillresult.

MESSAGEFORMAT IN ASCII PROTOCOL

7.4.- OVERLOAD AND POLARITY INDICATORS

The overload indicator is the upper bar of the 7th character.

The polarity indicator is the middle bar of the 7th character.

Thisapplieseventoa4digitdisplay,sotolightuptheoverloadorpolarityindicator,characters5and6mustbepadded

out with any printable character.

To light the polarity indicator, any character that indicates the middle bar but excludes the upper bar should be sent

tothedisplay(forexample-)tolighttheoverloadindicator,acharacterthatincludestheupperbarbutexcludesthemiddle

barshould be sent (for example0, or : ). To lightboth overload and polarity indicatorsthe character sent must include

both bars (for example ?).

7.5.- BS4505 SUBSET

The display powers-up responding to and, if appropriate, displaying the characters sent to it. Having received the

character EOT, the display switches to respond to a sub-set of the BS4505 protocol. The four characters received by

the display subsequent to EOT are the group number sent twice and the ID number sent twice. If the characters are

equivalent to the address of the display (set by internal jumper switches) the display switches to a listening condition,

elseitignoresanyfurthercharactersuntilEOTisagain transmitted. Once listening, the STX character isusedtostart

recognition and display characters, and ETX is used as a terminator to strobe data into the display and stop further

recognitionanddisplaycharacters.Notethatdatastringsterminatedbycarriagereturnshouldnotbeused,sincecarriage

returnfollowedbyETXwillresultinablankdisplay.Thedisplayisadumbreceiver.andprovidesnoresponsetomessages.

The block check characters are not used, and the leading alpha characters following STX are treated as printable

characters and will appear on the display, if the character string is short enough.

EQUIVALENTADDRESSES

ThecombinationofGroup(G)andIDnumbersallowsforaddresses1to31.Therelationshipbetweentheseaddresses,

and the switch settings of the display is as shown on page 14.

It is not necessary to send again the sequence [EOT] [G] [G] [ID] [ID] to keep the address selected.

MESSAGEFORMAT IN ASCII PROTOCOL

EOT G G ID ID STX Data ETX STX

1 byte 4 bytes 1 byte n bytes 1 byte

DATA : In units with 6 digit display only the 6 last characters will be displayed, and the 4 last characters if the unit

is a 4 digit display.

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