Related Manuals for BEKA BA674D
Summary of Contents for BEKA BA674D
- Page 1 BA674D Field mounting indicating temperature transmitter Issue 9 Issue 9 4th July 2019...
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Page 2: Table Of Contents
6.2.10 Resistance thermometer type ‘r.tYPE’ operational mode. 6.2.11 Decimal point position ‘dP’ 6.2.12 Lower input & display ‘in-Lo’ 6.2.13 Higher input & display ‘in-Hi’ 6.3 Configuration defaults The BA674D is CE marked to show compliance with the European EMC Directive 2014/30/EU... -
Page 3: Description
HART Interface Guide which may be downloaded from www.beka.co.uk/manuals 3. OPERATION Fig 1 shows a simplified diagram of the BA674D Indicating Temperature Transmitter. The input, which may be from a resistance thermometer, thermocouple, or a dc voltage or resistance, is digitised and transferred to the instrument processor via an optical isolator. - Page 4 14.2V at all output currents. 4.1 Use as a temperature indicator The BA674D may also be used as just a temperature indicator by ignoring the instrument’s 4/20mA output current. The load shown in Fig 2 may be omitted and terminals 5 &...
- Page 5 'A' screws. Fig 4 Dimensions and terminal connections 5.3 EMC The BA674D complies with the requirements of the European EMC Directive 2014/30/EU. For specified immunity, all wiring should be in screened twisted pairs with the screens earthed at one point.
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Page 6: Controls
Thermocouple and RTD inputs Configuration and calibration via HART may be The BA674D will always display sensor temperature. performed using a portable configurator connected to the BA674D test pillars located by terminals 5 & 6. Configuration allows: Alternatively, proprietary configuration software installed on a personal computer may be used. -
Page 7: Configuration
For Thermocouple Input – see Fig 5 Transmitter Summary display of function Transmitter Summary display of function ‘FAuLt’ Sensor fault analogue indication Selects 1 of 3 under/over range output ‘t.tYPE’ Thermocouple type currents to indicate that a sensor fault has Selects common types... -
Page 8: Description Of Configuration Menu Functions
Units Transmitter Display 6.2.1 Transmitter input ‘InPut’ This function enables BA674D indicating temperature transmitter to be conditioned to operate with a thermocouple, 3 or 4 wire resistance When C or F are selected the units of measurement thermometer, voltage or 3 or 4 wire resistance input. -
Page 9: Transmitter Input 'Input
6.2.6 Sensor fault analogue indication ‘FAuLt’ function press P which will display the ‘ZEro’ function The sensor fault analogue indication function in the sub-menu, pressing P again will reveal the appears in the menu when the transmitter is existing transmitter input at which the transmitter configured for a resistance thermometer or a output current is 4mA. - Page 10 The ‘bAr’ function may be selected from within the If the access code is lost please contact BEKA configuration menu by operating the ▼ or ▲ button. associates. To enter the function press P which will display the ‘b.tYPE’...
- Page 11 6.2.12 Lower input & display ‘in-Lo’ 6.2.13 Higher input & display ‘in-Hi’ This function, which only appears in the menu when This function which only appears in the menu when the transmitter is configured for a voltage or the transmitter is configured for a voltage or resistance input, defines the transmitter lower input resistance input, defines the transmitter higher input voltage or resistance ‘inVAL’...
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Page 15: Display Resolution 'Resn
6.3 Default configuration If the transmitter’s configuration is not specified at the time of ordering, the instrument will be configured as follows but can easily be reconfigured on-site. Function Factory default Transmitter input ‘InPut’ 3 wire RTD Sensor type ‘t.tYPE’ Pt100 Units of digital display ‘dEG’... -
Page 16: Configuration Example
Celsius. switch cover below the digital display – see Fig 4. Press E to enter the selection and return The BA674D can be supplied with factory fitted the transmitter display to the ‘dEG’ external push buttons if frequent adjustments are prompt in the configuration menu. - Page 17 P button to transfer control configuration menu. to the next digit, set the display to 1209. Press E twice to enter the new access code and return the BA674D to the Step 7 Configuration of bargraph display display mode via the ‘CodE prompt.
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Page 18: Maintenance
ENSURE PLANT SAFETY BEFORE STARTING MAINTENANCE 8.1 Fault finding during commissioning If a BA674D fails after it has been functioning If a BA674D fails to function during commissioning correctly the following procedure should be followed: the following procedure should be followed:... -
Page 19: Accessories
9.2 Tag plate The BA674D can be supplied with a blank or custom laser etched stainless steel plate secured by two screws to the front of the instrument enclosure. This plate can accommodate:... -
Page 20: Alarms
Fig 8 Alarm outputs When an alarm is activated an annunciator appears on the left hand side of the BA674D display. This shows which alarm has been activated and will flash if the alarm is delayed or silenced. -
Page 21: Alarm Configuration
See section 9.4.3 and Fig 11. on the outside of this cover. 'EnbL' Alarm enable When a BA674D indicating temperature transmitter is Enables or disables the alarm function supplied with optional alarms the conditioning menu without changing the alarm parameters. -
Page 23: Hysteresis 'Hstr
P which will reveal the existing alarm setpoint with one digit flashing. The flashing e.g. A BA674D transmitter with a high alarm set at digit may be adjusted using the ▼ or ▲ push button 90.0 and hysteresis of 10.0 will perform as follows: and the P button to move control to the next digit. -
Page 24: Adjusting Alarm Setpoints From
If the correct code is entered pressing E will BA674D transmitter is in the operational mode. The cause alarm setpoint prompt 'SP1' to be displayed. function enables an operator to adjust the alarm Pressing the ▼... - Page 25 To adjust an alarm setpoint select 'SP1' or 'SP2' and press P which will reveal the current setting with one digit flashing. Each digit of the setpoint may be adjusted using the ▼ or ▲ push button and the P button to move control to the next digit.
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