BEKA Advisor A70 Instruction Manual Download Page 9 | Manualshive

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BEKA Advisor A70 Instruction Manual Download Page 9

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Instruction Manual A70 Version 6 19th April 2004

BEKA associates Ltd, Old Charlton Road, Hitchin, Hertfordshire. SG5 2DA. UK. Tel: +44 (0) 1462 438301

The transducer output is greater than expected.

The

transducer supply output is 4 wire i.e. 2 supply lines and 2
sense lines. The sense lines must be connected either directly
to the sensor or the supply outputs otherwise the Advisor will
“hunt” for a sensor and the output voltage will appear to be
excessive. (See section 8.8)

11) Typical Applications

A Position Sensor (0-10V input signal)

Tank Level Display (4/20mA Active Sensor)

Transmitter has its own power supply

Temperature Display (4/20mA Passive – Loop-
powered Transmitter)

24Vdc transmitter power supply option fitted

Weight Display (15Vdc Transducer supply
output, 0-100mV input range)

Transducer power supply fitted.

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Summary of Contents for Advisor A70

Page 1: ...4 Electrical Specification 5 Dimensions 6 Installation 7 Electrical Connections 8 Setting Up 8 1 General 8 2 Button Functions In Programming Mode 8 3 General Programming Structure 8 4 Main Programming Menu Flowchart 8 5 Sub Menu Programming 8 5 1 Square Root Extractor 8 5 2 Display Resolution 8 5 3 Decimal Point 8 5 4 Max and Min Hold 8 5 5 Display Units or Percentage 8 5 6 Calibration Internal or...

Page 2: ...tage or current process signals in engineering units It is a microprocessor based instrument and is consequently easy to use The A70 is factory set to accept one of a range of input types e g 4 20mA Once set the input can not be changed The Advisor model A75 has a user programmable input The power supply is also selected at the time of ordering Each Advisor has a display brightness control and max...

Page 3: ...on has been switched on you will need to regain local control by following the key press sequence as outlined in section 8 7 8 2 Button Functions In Programming Mode To enter programming mode press the scroll and return buttons together When the instrument is supplied the security access password is set to 0000 If this password hasn t been changed then the operator is given immediate access to the...

Page 4: ...Page 4 of 9 Instruction Manual A70 Version 6 19th April 2004 BEKA associates Ltd Old Charlton Road Hitchin Hertfordshire SG5 2DA UK Tel 44 0 1462 438301 8 4 Main Programming Menu Flowchart ...

Page 5: ... Normal Display Mode with the parameter set to On the maximum and minimum can be displayed by pressing the up and down buttons and reset by pressing the up and down buttons together The maximum and minimum values are lost if there is a power failure 8 5 5 U P Display Units or Percentage In Normal Display Mode the scroll button can be programmed to give one of two readings either the actual signal ...

Page 6: ... Disable anti tamper function The front panel controls referred to here allow the operator to set a security access password or change an existing one and to switch on the anti tamper feature bttn If bttn is set to on then the buttons are enabled if set to off then the buttons are disabled to re enable see section 8 7 The security password that is entered within the code parameter will be the pass...

Page 7: ...mming menus When this function has been enabled pressing the scroll and up button together will give the operator access to the setpoints This function can be password protected by setting an Access Code Ac cd It is possible if desired to use the same password for access to both the alarm and main menu programming 8 7 Pushbutton Re enable The pushbutton disable function also called anti tamper fun...

Page 8: ...ms and alarm silencing if fitted A latched alarm is unlatched by pressing the scroll button to set an alarm latch see section 8 6 8 The alarm output changes state and the alarm LED annunciator is extinguished An alarm is also silenced or acknowledged see section 8 6 7 with the same button press With a silenced alarm the alarm LED annunciator will remain lit if the signal input is still within the ...

Page 9: ...ted either directly to the sensor or the supply outputs otherwise the Advisor will hunt for a sensor and the output voltage will appear to be excessive See section 8 8 11 Typical Applications A Position Sensor 0 10V input signal Tank Level Display 4 20mA Active Sensor Transmitter has its own power supply Temperature Display 4 20mA Passive Loop powered Transmitter 24Vdc transmitter power supply opt...

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