BEKA BA374NC, Руководство пользователя

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3
A Quick Guide to the Use of this Instruction Manual
Your BA374NC has been factory set to the requirements specified on your purchase order. If
no requirements were given, the instrument will be supplied with default settings i.e. 3 wire
RTD input; high resolution display in °C; 4 to 20mA output corresponding to an input and
display of 0.0 to 100.0°C.
If the BA374NC is set to your requirements before putting it into use you should refer to:
Section 4 Electrical System Design
Section 5 Installation
Section 2.1 Controls
If optional alarms are fitted you should refer to Section 11. You will also find the 'Trim' menu
described in Section 7 useful if you wish to calibrate the complete control loop.
If the BA374NC has been supplied with default settings and you wish to change these you will
need to refer to:
Section 6 Programming and Calibration
This section explains the programme functions of the push-buttons and leads you through the
various stages of programming the unit. Among the sub-divisions of Section 6 you will find
information on setting up for
Section 6.3 Thermocouple input
Section 6.4 Resistance thermometer input
Section 6.5 Voltage input
A word of warning: Section 6.8 explains how you can calibrate the instrument's internal
references. It is only necessary to carry out this operation if you will be using these internal
references to calibrate the instrument display,
i.e. not using an external calibrator, and then
only annual or less frequent adjustment is required. It is not necessary to calibrate these
references before putting the unit into operation, we've already done that for you. For this
reason the calibration section of the programme menu is protected by an additional security
code. You should only enter this section of the programme if you are sure that you want to
carry out this calibration.
By following the notes in this manual you should be able to set up your BA374NC without any
problem. If you do run into difficulties however Section 9 (Maintenance) provides some
guidance on typical problems you may find during commissioning. If you still have difficulties
please contact our Sales Department
(01462 438301). Our Sales Engineers will be able to talk
you through the procedure.