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Burner control unit for
PROFIBUS-DP BCU 400..B1
Technical Information · GB
6 Edition 03.11l
• Easy transmission of activation signals and feedbacks via
fieldbus cable
• Remote servicing and diagnostics facilities
• Saves installation and wiring costs
• Units can be exchanged during bus mode operation thanks to
industrial plug connector system (SUB-D)
• Bus interface remains in operation when BCU
(standby mode)
• Certification for PROFIBUS-DP
Industrial & Commercial Thermal
®
is switched off
AGA
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Summary of Contents for Honeywell PROFIBUS-DP BCU 400 B1 Series
- Page 1 Industrial & Commercial Thermal Burner control unit for PROFIBUS-DP BCU 400..B1 Technical Information · GB 6 Edition 03.11l • Easy transmission of activation signals and feedbacks via fieldbus cable • Remote servicing and diagnostics facilities • Saves installation and wiring costs • Units can be exchanged during bus mode operation thanks to industrial plug connector system (SUB-D) • Bus interface remains in operation when BCU...
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Page 2: Table Of Contents
Table of contents Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 6.4 Manual mode . -
Page 3: Application
Application In addition to the scope of functions and performance of the standard versions, the BCU..B1 is also equipped with a connection for the PROFIBUS-DP BCU 400..B1 fieldbus. 1 Application The use of a standard bus system offers massive ben- efits over manufacturer-specific bespoke solutions. -
Page 4: Certification
Certification 2 Certification 2 .3 FM The burner control units BCU 460, BCU 465 and BCU 480 are designed for applications pursuant to the Ma- chinery Directive (98/37/EC). 2 .1 EC type-tested and certified pursuant to BCU is FM approved. Standard: Factory Mutual Research Standard 7610: June 1997 Suitable for applications pursuant to NFPA 86... -
Page 5: Function
Function 3 Function BCU..B1 features the same scope of functions and per- formance of a BCU ® without a PROFIBUS connection (see Technical Information bulletin BCU 440, BCU 460 L1, N, PE and BCU 465). 3 .1 PROFIBUS-DP PROFIBUS is a manufacturer-independent, open field- bus standard for diverse applications. -
Page 6: Safety-Related Control Signals
Function 3 .2 Safety-related control signals 3 .4 Configuration, Master-Slave procedure Signals of the safety interlocks and digital input are PROFIBUS-DP is structured as a Master-Slave system. transferred independently of the bus communication This allows mono-master or multi-master systems to be by separate cables. -
Page 7: Addressing
Function 3 .5 Addressing 3 .6 Network technology A maximum of 126 units (masters and slaves) can be All devices are connected in a bus structure (line). Up to connected to a PROFIBUS-DP system. 32 stations (masters or slaves) can be connected in a single segment. -
Page 8: Configuration
Function 3 . 7 Configuration 3 . 7 .1 Bus communication Input bytes (BCU ➔ Master) When planning a PROFIBUS-DP system, unit-specific Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 parameters of each station are to be taken into account. To allow for simple and standardised planning, the pa- rameters of the BCU..B1 have been summarised in a so-called device master data file (GSD). - Page 9 Function I/O bytes: The programmer can choose the data to be transferred. Inputs Outputs 460/465 Basic I/O 1 Byte 1 Byte 460/465 Standard I/O 4 Bytes 1 Byte 480 Basic I/O 1 Byte 1 Byte 480 Standard I/O 5 Bytes 1 Byte Baud rate: Up to 1500 kbit/s.
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Page 10: Program Status
Function 3 .8 Program status DISPLAY Program status BCU 460..B1 BCU 465..B1 BCU 480..B1 BCU switched off Start-up position/standby Purge Waiting time / Pause time Safety time on start-up ... -
Page 11: Fault Messages
Function 3 .9 Fault messages Fault message (blinking) DISPLAY BCU 460..B1 BCU 465..B1 BCU 480..B1 Flame simulation Start-up without flame signal Flame failure during flame proving period Flame failure during operation ... -
Page 12: Connection Diagrams
Function BCU 460..B1 (BCU 460..L..B1) (BCU 460..C..B1) 40 41 42 43 44 45 46 47 9 10 12 13 14 15 18 19 20 26 27 30 31 32 33 34 35 36 37 38 50 51 max. 2 A, 253 V L1 (L1) N (L2) -
Page 13: Bcu 465
Function BCU 465..B1 (BCU 465..C..B1) 40 41 42 43 44 45 46 47 9 10 12 13 14 15 18 19 20 22 23 26 27 28 29 30 31 32 33 34 35 36 37 38 50 51 max. 2 A, 253 V L1 (L1) N (L2) -
Page 14: Bcu 480
Function BCU 480..B1 (BCU 480..C..B1) 40 41 42 43 44 45 46 47 µC 9 10 12 13 14 15 18 19 20 25 26 27 30 31 32 33 34 35 36 37 50 51 max. 2 A, 253 V L1 (L1) N (L2) 7 8 9... -
Page 15: Parameters
Parameters 4 Parameters Factory default Description Parameter Value range Adjustable* BCU 460..B1 BCU 465..B1 BCU 480..B1 setting Flame signal, burner/pilot burner – – 0–99 µA Flame signal, main burner – – – –_ 0–99 µA Program status when the most recent fault 00–09 –... - Page 16 Parameters Factory default Description Parameter Value range Adjustable* BCU 460..B1 BCU 465..B1 BCU 480..B1 setting Manual mode limited to 5 minutes 0; 1 UVS check (1 x in 24 hours) 0; 1 Low fire over run time t 0;...
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Page 17: Scanning The Parameters
Parameters 4 .1 Scanning the parameters 4 .2 Manual mode During operation, the 7-segment display shows the pro- Parameter 34 gram status. If the Reset/Information button is pressed (for 2 s) dur- The flame signal and other parameters of the BCU ®... -
Page 18: Selection
Selection 5 Selection BCU 460: Standard version; BCU 465: With extended air control; BCU 480: For pilot and main burner monitoring BCU 400..B1 · Edition 03.11l... -
Page 19: Selection Table
Selection 5 .1 Selection table Type -3 -5 -10 /-3* /-5* /-10* /1 /2 15 25 8 GB D2* D3* S2 – 4** A* C* B1* /1* BCU 460 ... -
Page 20: Project Planning Information
Project planning information 6 Project planning information 6 .3 EMC To achieve a high immunity of the system against elec- 6 .1 Safety-related control signals tromagnetic interference radiation, a shielded data Signals from the safety interlocks and digital input are cable must be used. -
Page 21: Manual Mode
Project planning information 6 .4 Manual mode For emergency operation, the time-limited manual mode can be deactivated. If required, the BCU is delivered with manual mode pre- set without a time limit (parameter 34 = 0). Further information can be found in the bibliography. BCU 400..B1 ·... -
Page 22: Accessories
Accessories 7 Accessories Variosub Profibus plug connector, 9-pin, with deacti- vatable bus terminator, Order No.: 74960431. Diskette with device master data files for BCU Profibus DP, Order No. 74960460, or at www.docuthek.com Bibliography – PROFIBUS Specification, EN 50170 Vol. 2 (Version 1.0). –... -
Page 23: Technical Data
Technical data 8 Technical data Fuse in unit: F1: 3.15 A, slow-acting, H, Mains voltage: pursuant to IEC 127-2/5, 230 V AC, -15/+10%, 50/60 Hz, F3: 3.15 A, slow-acting, H, 115 V AC, -15/+10%, 50/60 Hz, pursuant to IEC 127-2/5 (for BCU..C). For grounded and ungrounded mains. -
Page 24: Legend
Legend 9 Legend Flame simulation delay time 25 s Flame proving period 0 – 25 s Display Air pressure switch (electrical connection) Blinking display Ready Air pressure switch Manual mode Minimum combustion time up to max. 25 s Safety interlock (Limits) Minimum burner pause time 0 – 250 s Start-up signal Low fire over run time 0 s, 5 s, 15 s or 25 s... -
Page 25: Annex
Annex 10 Annex 10 .1 Status and fault messages for PROFIBUS-DP This table can be used to program the master. Input bytes (BCU ➔ master) Status message Fault message Byte 2 Display Byte 0, Bit 2 = 0 Byte 0, Bit 2 = 1 Start-up position/Standby ... - Page 26 Annex Input bytes (BCU ➔ master) Status message Fault message Byte 2 Display Byte 0, Bit 2 = 0 Byte 0, Bit 2 = 1 Fault Position indicator during safety time Fault Air supply during safety time Flame proving period, main burner Flame failure during main burner flame proving period ...
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Page 27: Feedback
Feedback Finally, we are offering you the opportunity to assess this “Technical Information (TI)” and to give us your opinion, so that we can improve our documents further and suit them to your needs. Clarity Comprehension Scope Found information quickly Coherent Too little Searched for a long time...
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