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BEKA BA574C User Manual

BEKA BA574C
26 pages
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BA574C
field mounting
indicating temperature
transmitter
issue 4
Issue: 4
26th September 2008
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BEKA BA574C Specifications

General IconGeneral
TypeTransmitter
ModelBA574C
ManufacturerBEKA
DisplayLCD
Output4-20 mA
Hazardous Area CertificationATEX, IECEx
IP RatingIP66
Input4-20mA
Accuracy±0.1%
ProtectionReverse polarity

Summary

1. DESCRIPTION

2. OPERATION

2.1 Controls

Details the functions of the four push-buttons used for programming and operation.

3. ELECTRICAL SYSTEM DESIGN

4. INSTALLATION

4.1 Location

Discusses enclosure types (GRP, aluminium) and suitability for different environments.

5. PROGRAMMING AND CALIBRATION

5.1 Summary of Programme Menu functions

Summarizes the programmable parameters and their functions based on input type.

5.2 Transmitter input 'InPut'

Conditions the transmitter for thermocouple, RTD, or voltage input.

5.3 For thermocouple inputs

Configures settings specific to thermocouple sensor inputs.

5.4 For resistance thermometer inputs

Configures settings specific to resistance thermometer sensor inputs.

5.5.1 Position of display decimal point 'd.P.'

Positions or turns off the dummy decimal point on the display.

5.5.2 Low input & display calibration 'In-LO'

Defines the lower voltage input and its corresponding transmitter display.

5.5.3 High input & display calibration 'In-HI'

Defines the higher voltage input and its corresponding transmitter display.

5.6 4/20mA output current calibration 'CAL'

Explains how to define the relationship between transmitter display and 4/20mA output.

5.7 Security Code 'CODE'

Describes setting a four-digit code to protect access to menus and functions.

5.8 Calibrating the internal references

Explains how to calibrate the instrument's internal references for accurate readings.

5.8.1 Conditioning internal references: 'Cond'

Accesses the protected sub-menu for internal reference calibration.

5.8.2 Voltage input reference 'U.IP'

Calibrates the internal reference for voltage inputs.

5.8.3 3-wire RTD reference '3rtd'

Calibrates the internal reference for 3-wire RTD inputs.

5.8.4 4-wire RTD reference '4rtd'

Calibrates the internal reference for 4-wire RTD inputs.

5.8.5 Output current reference 'OP'

Calibrates the internal reference for the 4/20mA output current.

4.2 Installation Procedure

4.3 EMC

6. TRIM MENU

6.1 Calibration procedure using Trim Menu

Details the procedure for adjusting the transmitter using an external calibrator.

6.2 Periodic re-calibration using Trim Menu

Recommends annual checks and adjustments using the Trim Menu for ongoing accuracy.

7. CALIBRATION EXAMPLE

8. MAINTENANCE

8.1 Fault finding during commissioning

Lists symptoms, causes, and solutions for common commissioning faults.

8.2 Fault finding after commissioning

Provides guidance for troubleshooting issues that arise after the instrument is operational.

8.3 Servicing

Explains that servicing involves exchanging electronic assemblies, not on-site repair.

8.4 Guarantee

Outlines the procedure for returning transmitters for repair under guarantee.

8.5 Customer comments

Invites customer feedback and suggestions for product improvement.

9. IDENTIFICATION AND MOUNTING

9.1 Engraved scale and tag plates

Describes options for custom engraving of scale and tag plates.

9.2 Pipe mounting kits

Details available kits for mounting the transmitter onto pipes.

9.3 Panel mounting kit

Describes the kit for mounting the transmitter into a panel aperture.

10.0 ALARMS

10.2 Summary of programmable alarm functions

Summarizes the programmable functions for alarms like enable, setpoint, and hysteresis.

10.3 Description of programmable functions

Provides detailed descriptions of each programmable alarm function.

10.3.1 Alarm enable: EnbL

Enables or disables the alarm function without changing parameters.

10.3.2 Setpoint adjustment: SP1 and SP2

Adjusts the alarm setpoints, which can be positioned anywhere in the display range.

10.3.3 Alarm function: HI.LO

Conditions an alarm to function as either a high or low alarm.

10.3.4 Alarm output status: no.nc

Determines if the alarm output is open or closed in the alarm condition.

10.3.5 Hysteresis: HStr

Adjusts the hysteresis for alarms, affecting the reset point.

10.3.6 Alarm delay: DELA

Sets a delay for alarm activation after the condition occurs.

10.3.7 Alarm silence time: SIL

Defines the time the alarm output remains silenced after acceptance.

10.3.8 Access Setpoint: AcSP

Controls direct access to alarm setpoints from the display mode.

10.4 Adjusting the alarm setpoints from the display mode.

Allows adjustment of alarm setpoints directly from the display mode using a security code.

11. BACKLIGHT