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20

HAZARDOUS (CLASSIFIED) LOCATION

UNCLASSIFIED LOCATION

EQUIPMENT

LOCATION

HAZARDOUS

NON

SEE NOTE 2

SEE NOTE 5

SEE NOTE 5

SEE NOTE 5

SEE NOTE 5

SEE NOTE 5

SEE NOTE 5

A9

ALARM

ALARM

OPTIONAL

OPTIONAL

A12

A11

A10

BA484DF or
BA488CF

SEE NOTE 7 & 8

S7

BA484DF LOCATIONS:

Class I,  Division 1, Groups  A, B,C, D
Class II, Division 1, Groups  E, F & G
Class III
Class I, Zone 0, Group IIC

BA488CF LOCATIONS:

Class I,  Division 1, Groups  A, B,C, D
Class I, Zone 0, Group IIC

SEE 

NOTE 1

BA484DF and BA488CF
Entity Parameters

Terminals 1 & 2
 Ui  = 17.5V           Uo = 0
 Ii = 380mA dc        Io = 0
 Pi = 5.32W            Po = 0
 Ci = 1nF
 Li = 8µH

These terminals comply 
with The Intrinsically Safe 
Concept (FISCO) defined by

IEC 60079-27

Terminals S1 to S7 
(combined parameters)
 Ui  = 0V             Uo = 14.7V dc 
 Ii = 0mA             Io = 146.7mA dc
 Pi = 0W              Po = 0.58W
 Ci = 0.54µF        Co = 0.08µF
 Li = 0.3mH         Lo = 1.1mH

Terminals A1 & A2; A3 & A4; 
A5 & A6; A7 & A8; A9 & A10 
and A11 & A12
 Ui  = 28V dc        Uo = 1.49V dc
 Ii = 200mA dc      Io = 1µA dc
 Pi = 0.84W          Po = 3µW
 Ci = 0.04µF
 Li = 0.02mH

A7

OPTIONAL

ALARM

A8

A5

OPTIONAL
ALARM

A6

A3

OPTIONAL
ALARM

A4

A1

OPTIONAL
ALARM

A2

S6

S5

S4

S3

S2

S1

SEE NOTE 6

OPTIONAL

EXTERNAL

SWITCHES

2

1

SEE NOTE 4

FIELDBUS

SEE NOTE 10

SEE 

NOTE 11

Содержание FOUNDATION BA484DF-F

Страница 1: ...Issue 15 27th March 2019 BA484DF F FOUNDATION fieldbus Intrinsically safe Field mounting display Issue 15 For version 3 instruments with revision 4 03 firmware...

Страница 2: ...nfiguration 6 6 1 Alarm summary 6 6 2 Alarm activation 6 6 3 Alarm output 6 7 Display configuration 6 7 1 Settings 6 7 2 Quick access 6 7 3 Access code 6 7 4 Status text 6 7 5 Last input 6 7 6 Keys 6...

Страница 3: ...ATION fieldbus display can be supplied with six optional alarm outputs that may be linked to any of the displayed fieldbus variables These alarm outputs are locally activated from the fieldbus variabl...

Страница 4: ...s The user can scroll through the display screens by operating the or push buttons The number of screens available depends upon how the BA484DF F display has been configured If one fieldbus variable p...

Страница 5: ...cation of T1 450oC T2 300oC T3 200oC T4 135oC At an ambient temperature between 40 and 60 C Note the guaranteed operating temperature range of the Fieldbus Display is 20 to 60 C This allows the BA484D...

Страница 6: ...Zener barrier or galvanic isolator providing that the output parameters of each circuit are less than Uo 28V dc Io 200mA Po 0 84W The maximum equivalent capacitance and inductance of each BA484DF F a...

Страница 7: ...capable of withstanding a 500V rms insulation test to earth for one minute Most industrial push buttons and wiring satisfy these requirements Although the allowable cable parameters are large it is r...

Страница 8: ...ntial equalising network as recommended in EN 60079 14 The BA484DF F enclosure is supplied with a bonding plate to ensure electrical continuity between the three conduit cable entries 5 2 Installation...

Страница 9: ...Fig 6 Dimensions and terminal connections 9...

Страница 10: ...splay screen selected Units Displayed units of measurement Up to 8 characters can be accepted but the number displayed varies depending upon the display screen selected IN_value Fieldbus value to be d...

Страница 11: ...gation is achieved by highlighting the required function using the and buttons and then operating the P button to display the selected function sub menu from which a further selection or adjustment ma...

Страница 12: ...s sub menu allows one of eleven standard display formats to be selected The standard formats contain one two three four or eight fieldbus variables some with bargraphs as shown below One variable Two...

Страница 13: ...allows the alarm outputs to be conditioned so that they only operate with validated fieldbus data or to operate irrespective of data validity 6 6 3 Alarm output There is a separate sub menu for each o...

Страница 14: ...till provide access to the configuration menu which may be protected by a security code 6 7 7 Code Defines the four digit alphanumeric code that must be entered to gain access to the instrument config...

Страница 15: ...15...

Страница 16: ...AINTENANCE Live maintenance is permitted on intrinsically safe equipment installed in a hazardous area but only certified test equipment should be used unless a gas clearance certificate is available...

Страница 17: ...mounting kits Two pipe mounting kits are available for securing the BA484DF F to a horizontal or vertical pipe BA392D Stainless steel bracket secured by two worm drive hose clips for 60 to 80mm outsid...

Страница 18: ...in air is likely to occur occasionally in normal operation Zone 22 explosive atmosphere in the form of a cloud of combustible dust in air is not likely to occur in normal operation but if it does occu...

Страница 19: ...oup A B Group C Group D Class II Group E F G Class III Zone 0 1 or 2 Class 1 Group IIC Group IIB Group IIA The FM entity parameters are identical to the ATEX parameters and like the ATEX certification...

Страница 20: ...BA484DF and BA488CF Entity Parameters Terminals 1 2 Ui 17 5V Uo 0 Ii 380mA dc Io 0 Pi 5 32W Po 0 Ci 1nF Li 8 H These terminals comply with The Intrinsically Safe Concept FISCO defined by IEC 60079 27...

Страница 21: ...galvanic Ccable Ci Lcable Li Ccable Ci Lcable Li Ccable Ci Lcable Li Intrinsically Safe Systems for Hazardous Classified Locations and the National Installation shall be in accordance with ANSI ISA RP...

Страница 22: ...following table When installed in a hazardous classified location the BA484DF Fieldbus Display Any metallic or plastic cable gland or conduit hub that provides SSTG 1 STG 1 STAG 1 Permitted gland or...

Страница 23: ...provide energy to the system except a leakage current of 50 A for each connected device Separately powered equipment needs galvanic isolation to ensure the intrinsically safety Fieldbus circuit remain...

Страница 24: ...PTIONAL ALARM A8 A5 OPTIONAL ALARM A6 A3 OPTIONAL ALARM A4 A1 OPTIONAL ALARM A2 S6 S5 S4 S3 S2 S1 SEE NOTE 5 OPTIONAL EXTERNAL SWITCHES BA484DF and BA488CF Maximum input and output parameters Terminal...

Страница 25: ...panel thickness should be 2mm 0 08inches Steel 3mm 0 12inches Aluminium Outside panel finish should be smooth free from particle inclusions runs or build up around cut out Panel cut out should be 66...

Страница 26: ...II and III Class I Class Any metallic or plastic cable gland or conduit hub that provides the required environmental protection SSTG 1 STG 1 STAG 1 Crouse Hinds Myler hubs CMCXAA050 MCR050 MCX050 Per...

Страница 27: ...allowed to provide energy to the system except a leakage current of 50 A for each connected device Separately powered equipment needs galvanic isolation to ensure the intrinsically safety Fieldbus ci...

Страница 28: ...ls 1 2 comply with the requirements for a FISCO Field Device specified in IEC 60079 11 The IECEx certificate may be downloaded from www beka co uk www iecex com or requested from the BEKA sales office...

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