MKS AX346 Operating Instructions Manual
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MKS AX346 Operating Instructions Manual

MKS AX346 Operating Instructions Manual

Versatile process indicator with two analogue inputs and adjustable analogue output
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control
– motion – interface
AX 346
Versatile Process Indicator
With Two Analogue Inputs and
Adjustable Analogue Output
• Two analogue inputs, each +/- 10V oder 0/4 – 20 mA with individual scaling
• Operation modes to display input A, input B or combined values A+B, A-B, AxB and A:B
• Selectable linearisation function with 16 interpolation points
• Adjustable analogue output, +/-10 V or 0/4 – 20 mA, proportional to the display
• Power supply 115/230 VAC and 17 – 30 VDC in one unit
• Auxiliary output 24 VDC / 100 mA for sensor supply
Operating Instructions
Ax34601a_e_A5.doc / Feb-06
Page 1 / 20

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Summary of Contents for MKS AX346

  • Page 1 control – motion – interface AX 346 Versatile Process Indicator With Two Analogue Inputs and Adjustable Analogue Output • Two analogue inputs, each +/- 10V oder 0/4 – 20 mA with individual scaling • Operation modes to display input A, input B or combined values A+B, A-B, AxB and A:B •...

  • Page 2: Safety Instructions

    Safety Instructions • This manual is an essential part of the unit and contains important hints about function, correct handling and commissioning. Non-observance can result in damage to the unit or the machine, or even in injury to persons using the equipment ! •...

  • Page 3: Table Of Contents

    Table of contents 1. Introduction....................4 2. Electrical Connections..................5 2.1. Power Supply ......................5 2.2. Auxiliary Power Output ....................5 2.3. Analogue Inputs A and B .................... 6 2.4. Adjustable Analogue Output..................6 2.5. GND Potential Considerations ..................6 3.

  • Page 4: Introduction

    The unit is easy to set-up by means of the front keys and a clear menu structure. AX346 is built into a standard DIN housing, designed for front panel mounting. Ax34601a_e_A5.doc / Feb-06...

  • Page 5: Electrical Connections

    2. Electrical Connections 1 2 3 4 5 6 7 8 9 10 *) This grounding terminal is internally connected to the GND potential. Grounding of this terminal is not necessary, neither for safety nor for EMC reasons. With some applications however it may be desirable to connect the measuring GND to another ground or earth potential.

  • Page 6: Analogue Inputs A And B

    Analogue Inputs A and B 2.3. The unit provides two analogue inputs with a common GND potential (input A and input B) Both input signals refer to the „Analogue GND“ potential of terminal 5, which internally is connected to the other GND terminals 1, 6 and GND. Both inputs are individually adjustable as voltage inputs (+/-10 volts) or current inputs (0/4 –...

  • Page 7: Configuration Of The Analogue Inputs

    3. Configuration of the Analogue Inputs Depending on the application of the analogue inputs it may be necessary to set the internal jumpers correspondingly. Where your input signals are current signals (0-20 mA or 4-20 mA), there is no need to change any jumper settings and you may skip this section.
  • Page 8 Default factory setting: Input A = current, Input B = voltage Input A = current, Input B = current • Current inputs are automatically set to an input signal range of 0 to 20 mA or 4 to 20 mA •...

  • Page 9: How To Operate The Front Keys

    All settings are done by means of two front keys. A third key on the utmost right side of the panel is reserved for special key operations, but not in use with standard AX346 units. ENTER key: scrolls through the menu headlines.

  • Page 10: Basic Set-Up And Operational Parameters

    5. Basic Set-Up and Operational Parameters Basic Set-Up 5.1. The basic settings described below are in general non-recurring and must only be done upon the very first commissioning of the unit. The basic menu includes the selection of the desired operation mode and the desired brightness of the LED display.

  • Page 11: Operational Parameters

    Menu Selection Text Description GAin Maximum output swing of the analogue output Setting 1000 results in an output swing of 10 volts or 20 mA. Setting 200 reduces the swing to 2 volts or 4mA OFFSEt Zero output of the analogue output Setting 0.000: Output generates 0 volts respectively 0 mA with zero in display.

  • Page 12: Operational Parameters With Dual Channel Mode

    Menu Selection Text Description Filt A Digital filter to smooth unsteady display caused by ripple or fluctuation of the input signal. Filtering off 2, 4, 8, 16 Filter with 2, 4, 8 or 16 floating average determinations dPoiA Decimal point position of channel A display Choose from the formats shown in the display 5.2.2.

  • Page 13: Operational Parameters For The Combined Modes ( A+B, A-B, Axb, A:b )

    Menu Selection Text Description Input B Input range channel B in U Voltage input 0 - +/-10 V in i0 Current input 0 – 20 mA in i4 Current input 4 – 20 mA Start B Start value which the unit will display with a zero input signal of 0 volts or 0/4 mA End B End value which the unit will display with a full...

  • Page 14: Parameters For Scaling Of The Analogue Output

    The result of the calculation <AB> can then have a final scaling to receive user-friendly engineering units, by means of the following scaling factors: Menu Selection Text Description m_Fac Proportional Factor Multiplies the result by this setting d_Fac Reciprocal Factor Divides the result by this setting.

  • Page 15: Parameters For Generation Of A Linearisation Curve

    5.2.5. Parameters for generation of a linearisation curve Parameters described under this section will not appear in the menu when the linearisation has been switched off by setting „Linearisation Mode“ to „no“. „Linearisation Mode“ has to be set to either „1-quA“ or „4-quA“ to enable the linearisation function.
  • Page 16 The following picture explains the difference between the linearisation modes 1_quA“ und „4_quA“. P1(x)= -1000 P1(y)= P8(x)= 0 P8(y)= 750 P16(x)= 1000 P16(y)= 800 P1(x)= 0 P16(x)= +1000 P1(y)= 0 P16(y)= - 600 Linearisation Mode = 1_quA Linearisation Mode = 4_quA Ax34601a_e_A5.doc / Feb-06 Page 16 / 20...

  • Page 17: Technical Appendix

    6. Technical Appendix Compendium of the Operator Menu 6.1. Menu Menu Basic parameters Operational parameters Single mode Dual mode Combined modes Linearisation "modE " "inPutA" "inPutA" "inPutA" "briGht" "StArtA" "StArtA" "StArtA" "UPdAt” "End A" "End A" "End A" "CodE " "dPoi A"...

  • Page 18: Dimensions

    Dimensions 6.2. 110,0 96,0 91,0 1 2 3 4 5 6 7 8 Panel cut-out 91 x 44 mm 21,0 129,0 140,5 Ax34601a_e_A5.doc / Feb-06 Page 18 / 20...

  • Page 19: Technical Specifications

    Technical Specifications 6.3. AC power supply 115/230 V (+/- 12,5 %), 7,5 VA DC power supply 24V (17 – 30V), approx. 100 mA (without sensor) Aux. output for sensor 24V DC, +/- 15%, 100mA (with AC and DC power) Inputs 2 analogue inputs (+/-10V, 0..20mA, 4..20mA) Input impedance Current: Ri = 100 Ohms, voltage: Ri = 30 kOhms...

  • Page 20: Parameter Table

    Parameter Table 6.4. Bezeichnung Text Min-Wert Max-Wert Default Stellen Ser. Code Operation mode Brightness Display update 9999 Keypad lock Linearisation Input Mode A Start value A -99999 99999 +/- 5 End value A -99999 99999 1000 +/- 5 Decimal point A Average Filter A Input Mode B Start value B...

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