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29

Fig 12  Control of valve in a process area.

The required instrument configurations for this
example are shown below.

Function

Display

Setting

Access code

CodE

0000

Function

FunCtion

ELAP5E

Input  A

inPut-A

ContACt

Input  b

inPut-b

ContaCt

De-bounce (both inputs) 

dEbounCE

dEFAuLt

Display 2

di5P-2

5td

Start stop

5tAr5toP

ControL 2

Units

unit5

12 : 00 : 00

Set time

5Et  t

00 : 05 : 00

Timer repeat cycle

CYCLE5

Enable repeat cycle

EnbL

on

Cycle count

cycl cnt

01

Reset delay

r5t dela

0000.05

Access set time from 

AC5Et - t

oFF

  display mode.
Direction of count

uP or dn

dn

Power failure

p-fail

idle

Local total reset  

rE5Et

 

.

 

EnbL

on

Local grand total reset

CLr Gtot

oFF

External reset

e r5et

fa5t

Enable control output 1

EnbL

on

Control output 1 on at

oP1 on

run

Control output 1 off at

oP1 oFF

n run

Control output 1 delay

oP1 dELA

00000

Enable control output 2

EnbL

on

Control output 2 on at

oP2 on

done

Control output 2 off at

oP2 oFF

n done

Control output 2 delay

oP2 dELA

00005

Enable status output

EnbL

on

Status output on at

5tat on

re5et

Status output off at

5tat oFF

n re5et

Status

s

 output delay

5tatdELA

00000

In this example local total reset

rE5Et . EnbL

is

on

.

This enables the Timer to be reset when power is
first connected by operating the

*

and

&

down

button simultaneously for more than 3 seconds.

Содержание BA578E

Страница 1: ...Issue 4 3rd July 2018 BA578E Two input General purpose Timer or Clock Issue 4...

Страница 2: ...14 Cycle count cycl cnt 5 5 15 Restart delay r5t dela 5 5 16 Adjusting the set time 5Et t from the display mode AC5Et t 5 5 17 Direction of count uP or dn 5 5 18 Power fail p fail 5 5 19 Local reset...

Страница 3: ...ff 1 5tat on 2 5tat off 2 8 4 10 Control output 1 oP1 8 4 11 Enable Control output 1 EnbL 8 4 12 Control output 1 on and off times oP 1 on 1 oP 1 off 1 oP 1 on 2 oP 1 off 2 8 4 13 Control output 2 oP2...

Страница 4: ...4...

Страница 5: ...nstrument 2 SYSTEM DESIGN Fig 1 illustrates the basic circuit that is used for all BA578E Timer installations BA578E Clock installations are the same except that the two input terminals are not used F...

Страница 6: ...input ranges are independently selectable for each input in the BA578E Timer configuration menu VoLt5 L and VoLt5 H allowing almost any sensor with a voltage output to be used The BA578E contains a se...

Страница 7: ...int between the instrument enclosure and the panel the rear of the instrument has IP20 ingress protection The BA578E may be installed in any panel providing that the operating temperature is between 4...

Страница 8: ...p body d Place a clamp in the recess on each side of the instrument pulling gently to slide it onto the dovetail as shown in Fig 6 Push the knurled screw slightly forward to engage the thread and tigh...

Страница 9: ...t at the rear of the instrument 4 ACCESSORIES 4 1 Display backlight The BA578E Timer or Clock can be supplied with a factory fitted backlight that produce green illumination enhancing display contrast...

Страница 10: ...ion New instruments can be supplied with a tag number or application information printed onto the rear panel adjacent to the terminals This information is not visible from the front of the instrument...

Страница 11: ...ntained by the instrument which can be viewed by operating the front panel push buttons and reset from the display mode or from within the configuration menu Fig 8 shows a simplified block diagram of...

Страница 12: ...d to the restart delay r5t dela See 6 5 16 Shows firmware version Accesses the configuration menu 5 3 Displays when configured as a Timer The BA578E has two digital displays and associated annunciator...

Страница 13: ...the Pause state by a stop event which could be an input on input b or operation of the button Reset In this state the Timer is readied for operation The Timer is stopped and loaded with zero for timi...

Страница 14: ...figuration functions Throughout this manual front panel push buttons are shown as and Legends displayed by the instrument are shown in a seven segment font just as they appear on the instrument e g in...

Страница 15: ...l of input debounce applied to the input A to prevent false counting dEFAuLt HEAVY LiGHt See section 5 5 6 Display Summary of function inPut b Configuration of input b As configuration of inPut A Ener...

Страница 16: ...protect access to 5Et t from the display mode See section 5 5 16 Display Summary of function uP or dn Direction of count Defines whether the Timer times up from zero to the set time 5Et t or times do...

Страница 17: ...ary of function Control output 1 on oP1 on Control output 1 turns on when the Timer enters the state selected in this function Output phase can be reversed See section 5 5 30 Control output 1 off oP1...

Страница 18: ...on menu One of following six types of input may be selected Display Input type Switching thresholds Low High oPCoL Open collector 2 10k VoLt5 L Voltage pulse low 1 3V VoLt5 H Voltage pulse high 3 10V...

Страница 19: ...disabled 5 5 9 Starting stopping the Timer 5tAr5toP The Timer may be started and stopped by signals on Input A and Input b or by operation of the front panel or push buttons To check or change the con...

Страница 20: ...20...

Страница 21: ...21...

Страница 22: ...eveal the number of times the timer cycle is to be repeated with the most significant flashing The flashing digit may be adjusted by pressing the or button followed by the button to transfer control t...

Страница 23: ...on the upper display Timing resumes when a start instruction is received If a start input exists when power is restored timing will start immediately Continue When power is restored the Timer will con...

Страница 24: ...tates such as n re5et If the status output is required to be on in only one Timer state this can be achieved with the following configuration 5tat on state required e g run 5tat off n state required e...

Страница 25: ...to the status output sub menu 5 5 28 Control output 1 optional op1 Control output 1 is an optional factory fitted galvanically isolated solid state switch contact which can be configured to turn on an...

Страница 26: ...ions Display Control output 1 turns off when Timer enters selected state re5et Reset state run Running state pau5ed Paused state delay Restart delay state done Complete state Control output 1 turns of...

Страница 27: ...ed to gain access New instruments are configured with the default security code 0000 which allows unrestricted access to all configuration functions To enter a new security code select CodE from the c...

Страница 28: ...option and should be specified when the instrument is ordered Control output 1 is used to switch the intrinsically safe solenoid valve and control output 2 is wired to the Timer s reset terminals to p...

Страница 29: ...uP or dn dn Power failure p fail idle Local total reset rE5Et EnbL on Local grand total reset CLr Gtot oFF External reset e r5et fa5t Enable control output 1 EnbL on Control output 1 on at oP1 on run...

Страница 30: ...s in the configuration menu Unable to enter configuration menu Incorrect security code That the correct security code is being used Contact BEKA if code is lost 7 2 Fault finding after commissioning E...

Страница 31: ...regularly checked Inspection frequency should be chosen to suit the environmental conditions 7 5 Guarantee Instruments which fail within the guarantee period should be returned to BEKA associates or o...

Страница 32: ...t starts functioning using the configuration information stored in the instrument s permanent memory Following initialisation the instrument will have a flashing display which is a request for the loc...

Страница 33: ...ion functions Throughout this manual push buttons are shown as and and legends displayed by the Clock are shown in a seven segment font just as they appear on the instrument e g di5PLAY and CodE Acces...

Страница 34: ...34...

Страница 35: ...35...

Страница 36: ...output can turn on open collector on and off open collector off once or twice in each twenty four hour period This function contains five sub function EnbL Enables Status output and defines if it turn...

Страница 37: ...to the display mode To configure the Clock enter the configuration menu by pressing the and buttons simultaneously until function is displayed 8 4 4 Display format di5PLAY The BA578E Clock may be con...

Страница 38: ...ed on 1 Turns on off once per 24 hours on 2 Turns on off twice per 24 hours When the required option is displayed operating will enter the selection and return to the EnbL prompt from which another su...

Страница 39: ...en entered return to the configuration menu by pressing the button twice 8 4 13 Control output 2 oP2 Control output 2 is an optional factory fitted output which can be configured to turn on output clo...

Страница 40: ...mes from the display mode may be protected by a four digit alphanumeric security code which must be entered to gain access Default security code 0000 allows unrestricted access With ACCd displayed pre...

Страница 41: ...n change the instrument to a Clock and return the display to FunCtion in the configuration menu See 8 4 3 Step 3 Select display format Using the or button select di5PLAY in the configuration menu and...

Страница 42: ...ess to the configuration menu Using the and buttons select CodE from the configuration menu and press which will reveal 0000 with the first digit flashing This example requires the security code to be...

Страница 43: ...If a BA578E fails after it has been functioning correctly as a Clock the following table may help to identify the cause of the failure Symptom Cause Check No display No power supply That there is bet...

Страница 44: ...4 10 6 Customer comments BEKA is always pleased to receive comments from customers about our products and services All communications are acknowledged and whenever possible suggestions are implemented...

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