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Summary of Contents for Bürkert 8643
- Page 1 Type 8643 Power I/O-Box with FOUNDATION™ Fieldbus Connection mit FOUNDATION™ Fieldbus-Anschaltung avec connexion FOUNDATION™ Fieldbus Operating Instructions Bedienungsanleitung Instructions de Service...
- Page 2 We reserve the right to make technical changes without notice. Technische Änderungen vorbehalten. Sous réserve de modifications techniques. © Bürkert Werke GmbH & Co. KG, 20 - 2017 Operating Instructions 1706/ _008 / Original DE...
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Page 3: Table Of Contents
POWER I/O-BOX Typ 8643 1 THE MANUAL ..........................5 1.1 Symbols ........................5 1.2 Trademarks ........................6 2 INTENDED USE ..........................6 2.1 Limitations ........................6 3 SAFETY PRECAUTIONS ......................7 4 GENERAL INFORMATION ......................9 4.1 Contact Addresses ....................9 4.2 Warranty ........................9 4.3 Information in the Internet ..................9 4.4 Conformity ........................ - Page 4 8 COMMISSIONING ........................31 9 SERVICE ............................32 10 REPAIR ............................32 11 PACKAGING, TRANSPORT ....................32 12 STORAGE ............................33 12.1 Storage Conditions .....................33 12.2 Decommissioning ....................33 12.3 Restarting ......................33 13 DISPOSAL ............................. 33 4 - 8643...
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Page 5: The Manual
Describes important additional information, tips and recommendations that are important for your safety and the proper functioning of the device. NOTE! Refers to information in this operating manual or in other documents. 1.1.3 Work steps → indicates a work step which you must carry out. 8643 - 5... -
Page 6: Trademarks
EC-Type Examination Certificate (see Annex). The proper and safe functioning of the Power I/O Box Type 8643 with FOUNDATION Fieldbus activation is dependent on proper transport, stor- age and installation, and on careful operation and maintenance. -
Page 7: Safety Precautions
Hazardous situations may arise due to use in unauthorized ambient tem- perature ranges, especially in potentially explosive environments. • Remain within the appropriate ambient temperature range, for each type (e. g. 8643-4-AL-KS-F-I/O), according to the table in the EC-Type Examination Certificate. Hazard due to unauthorized combination of types of ignition protec-... - Page 8 However, dangers may nevertheless arise. • Operate the Power I/O Box Type 8643 only when it is in proper working order and only in accordance with the operating manual. • Do not subject the housing of the Power I/O Box Type 8643 to mecha- nical loads (e.
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Page 9: General Information
The warranty is only valid if the device is used as intended in accordance with the specified application conditions. 4.3 Information in the Internet The operating instructions and data sheet for the Power I/O Box Type 8643 with FOUNDATION Fieldbus activation are found on the Internet under: www.burkert.com... -
Page 10: System Description
5.1 General Description The Power I/O Box Type 8643 with FOUNDATION Fieldbus activation (hereafter Power I/O Box Type 8643) is used for the activation of binary signals on the FOUNDATION Fieldbus. It is suitable for use in potentially explosive atmospheres and has been ap- proved according to ATEX for use in Zone 1 and 21. - Page 11 I/O Box Type 8643! NOTE! When using the Power I/O Box Type 8643 in a control cabinet, ensure that: • the control cabinet is also approved for use in an explosive environment, • the control cabinet is dimensioned sufficiently large to exhaust the waste heat out of the cabinet in a suitable manner, •...
- Page 12 5.1.3 Marking Type label Illustration 5-1: Location of the type label 12 - 8643...
- Page 13 Illustration 5-3: Location of the cable connections on the plastic housing of the device NOTE! The cable fittings come supplied with protective caps. The protective caps must remain in place covering the cable fittings until the cables are con- nected to prevent the ingress of dirt. 8643 - 13...
- Page 14 Check the power supply if neither LED 2 nor LED 3 illuminates! 5.1.6 DIP-Switch Switch 1 - ON: Simulate can be locked so that the READBACK_D is overwritten in the DO_valve function block. Switch 1 Illustration 5-5: Location of the DIP switch 14 - 8643...
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Page 15: Technical Data
Min. switching current 30 mA Min. holding current 15 mA Internal resistance 330 Ohm Open-circuit voltage 24 V Power reduction on holding current after min. 50 ms. Electrical connections for Screw terminals (up to 2.5 mm inputs and outputs 8643 - 15... - Page 16 Aluminum housing NOTE! • The maximum line resistance to the sensors and actuators is 20 • The Power I/O Box Type 8643 may only be supplied with safety low volt- age in compliance with VDE 0631. NOTE! • The Power I/O Box Type 8643 meets the specifications of the EMC laws.
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Page 17: Dimensions
5.3 Dimensions Illustration 5-7: Dimensions Type 8643 8643 - 17... -
Page 18: Installation
Hazardous situations may arise due to use in unauthorized ambient tem- perature ranges, especially in potentially explosive atmospheres. • Remain within the appropriate ambient temperature range, for each type (e. g. 8643-4-AL-KS-F-I/O), according to the table in the EC- Type Examination Certificate. Hazard due to unauthorized combination of the types of ignition... - Page 19 CAUTION! Electrostatically sensitive components / modules The Power I/O Box Type 8643 contains electronic components that react sensitively to electrostatic exhaust (ESD). Contact with electrostatically charged persons or objects can endanger these components. In the worst case they may be immediately destroyed or fail after commissioning.
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Page 20: Installation Instructions
(see EC-Type Examination Certificate). NOTE! • All cable fittings are factory-equipped with a sealing plug (protection class IP65). • Seal all of the remaining open cable fittings with a sealing plug to pre- serve the IP protection (IP65). 20 - 8643... - Page 21 Devices with a plastic housing have an M16x1.5 cable fitting for internal ground connection (PA). Devices with a metal housing (e. g. aluminum) have an external ground con- nection on the housing. 8643 - 21...
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Page 22: Electrical Connections
• Pay attention to the polarity of the terminals! 6.4.2 Overview of terminals and outputs 4 + 5 LED module Simulate disabled Illustration 6-2: Overview of terminals and outputs Legend 1 Power supply 24 V DC 2 Bus 3 Shield 4 Actuators 5 Sensors 22 - 8643... - Page 23 (i). 6.4.5 Terminal connection SHIELD Connection for the bus wiring shield. There are two possible ways to connect the shield: • Direct grounding to housing (PA) Connecting the shield: → Connect the shield to the right terminal (see illustration 6-2, position 3). 8643 - 23...
- Page 24 EMC interference. If this is not possible, take appropriate measures to prevent electromagnetic interference from inadmissibly influencing the Power I/O Box Type 8643. Connection cable: • minimum of cross-section: 2.5 mm²...
- Page 25 Output 4 6.4.7 Terminals Sensor The Power I/O Box Type 8643 has eight NAMUR sensor inputs, where two sensors are always assigned to one actuator output. The sensors indicate the position of a connected process valve. However, they can also return other process values (e.
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Page 26: Network Configuration
Description VALVE_MAN_1...4 Name of valve manufacturer ACTUATOR_MAN_1...4 Name of actuator manufacturer VALVE_SER_NUM_1...4 Serial number of valve belonging to device ACTUATOR_SER_NUM_1...4 Serial number of actuator belonging to device VALVE_ID_1...4 Valve identifier (valve type) ACTUATOR_ID_1...4 Actuator identifier (actuator type) 26 - 8643... - Page 27 If the limits are exceeded, the correspond- ing bit is set in the parameter CHECK_ BACK. TRAVEL_TIME_CLOSE_ Maximum time difference between TRAV- OPEN_TOL_1...4 EL_TIME_CLOSE_OPEN and the current switching time. TRAVEL_TIME_OPEN_ CLO- Maximum time difference between TRAV- SE_TOL_1...4 EL_TIME_OPEN_CLOSE and the current switching time. 8643 - 27...
- Page 28 Introduction of a device-specific calibra- tion. Value Description undamped active damped active Sensor 1 indicates: valve open Sensor 1 indicates: valve closed CHECKBACK_1...4 Feedback from the transducer block Value Description TRAVEL_COUNT_TIME exceeded TRAVEL_TIME_CLOSE- OPEN exceeded TRAVEL_TIME_OPEN_ CLOSE exceeded 28 - 8643...
- Page 29 Indicates the transducer block. Channels 1-4 are for the DO_valve_TB (1 output, 2 inputs) and the channels 5-8 are for the DO_TB (1 output). If the channel 100 is entered, the inputs i. e. outputs will not be occupied. 8643 - 29...
- Page 30 If a fault is detected at the output, MANUAL mode commences (MAN). 7.2.4 Description of a parameter of the function block (DI) Parameter Description CHANNEL There are channels 11-18. The input may not be occupied with a DO_ valve_TB. If channel 100 is entered, the inputs and /or outputs will not be occupied. 30 - 8643...
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Page 31: Commissioning
SENSOR_ID_11…18 Sensor identification COMMISSIONING Before commissioning the Power I/O Box Type 8643 with FOUNDATION Fieldbus activation, make sure that: → the unit has been properly connected, → the Power I/O Box has been installed according to the instructions → the Power I/O Box is not damaged. -
Page 32: Service
SERVICE When used in accordance with the instructions given in this operating man- ual, the Power I/O Box Type 8643 is maintenance-free. WARNING! Hazardous situations can arise during maintenance work. • Work may only be carried out by authorized service personnel who have been trained to work in potentially explosive environments! •... -
Page 33: Storage
12.3 Restarting Place the Power I/O Box Type 8643 into operations again as follows: → Unpack the Power I/O Box Type 8643 and allow it to reach room tem- perature before switching on again. → Then proceed as described in the chapter Installation. - Page 34 34 - 8643...
- Page 36 www.burkert.com...