Mecmesin afg 1000n Operating Manual

Advanced force gauge

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F orce
F orce
G auge
G auge
Operating Manual

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Summary of Contents for Mecmesin afg 1000n

  • Page 1 Advanced Advanced F orce F orce G auge G auge Operating Manual...
  • Page 3: Table Of Contents

    The Mecmesin AFG is the flagship member of a series of highly versatile display units. By using the latest integrated circuit technology it has been possible to produce an instrument which can be used to measure tensile and compressive forces accurately, whilst being simple to use by the operator.
  • Page 4: Powering The Gauge

    POWERING THE The AFG is supplied with a set of 5 Nickel Metal Hydride GAUGE AAA rechargeable batteries. For safety reasons during transportation the batteries are shipped discharged. To obtain maximum battery life we recommend that you charge them with the charger/adaptor supplied for at least 14 - 16 hours when you first receive the AFG.
  • Page 5: Using The Gauge

    On the rear of the gauge there are two M5 threaded holes, Mounting to a test stand which can be used for mounting the gauge to a Mecmesin test stand. Each Mecmesin test stand is supplied with a dedicated ‘dovetailed mounting bracket’...
  • Page 6 Powering up As shown in Figure 1b the control panel has 6 keys:- Fig.1b Power On/Off To power up the gauge press the key. A short self test runs during which the display will show the model and capacity in Newton’s.
  • Page 7: Basic Functions

    Basic Functions Display of Tension/ Tensile forces are displayed on the AFG and recognised by Compression the symbol Compressive forces are displayed on the AFG and recognised by the symbol If the AFG has suffered a serious Fig. 2a overload condition, the load indicator bar will be partially Unit of displayed even when no load is...
  • Page 8 Zeroing the Gauge During the operation of the gauge it is often necessary to zero the display – e.g. when you wish to tare out the weight of a grip, so it does not become part of the measured reading. Press and release the ZERO key. The display will blink momentarily as the zero operation is carried out.
  • Page 9 Fig. 3a Dual Max max tension reading max compression reading Load currently applied to load cell Max Tension Press the MAX key again and the display will show the maximum tensile force identified by the symbol. Fig. 3b max tension reading Max Compression Press the MAX key again and the display will show the...
  • Page 10 "Normal" mode Press the MAX key again and the word MAX has now disappeared from the display. The display will now indicate forces applied in both directions as they are applied to the transducer and maintain a "running" display. Press the RESET key to clear both maximum registers and prepare for detecting the next maximum readings.
  • Page 11: Optional Settings

    Optional Settings Backlit It is possible to activate a backlight on the AFG display. Display Press and hold UNITS whilst powering up the AFG with the key. The backlight is now operating. Please note that battery consumption is doubled when using the backlight.
  • Page 12: Additional Force & Torque Sensors

    All Advanced Loadcell Cartridges have a 15-pin ‘Smart’ connector port on the right hand side for interface with Warning! The AFG must be Mecmesin external ‘Smart’ force and torque sensors. This powered down when allows you to use your existing AFG console to perform connecting or disconnecting additional tests without the need for a dedicated instrument.
  • Page 13: Advanced Menu Options

    Loadcell Diagnostic test If you suspect that your ALC loadcell or ‘Smart’ sensor has sustained an overload it is possible to check the status of the sensor immediately. An instrument showing an overload condition cannot be Symptoms of overload may be (a) OL in display (b) buzzer relied upon to provide accurate, sound (c) probe not aligned perpendicularly to gauge (d) repeatable measurement –...
  • Page 14 ALARM The AFG has an audible and visual alarm feature which can be set to trigger on pass, fail or sample break criteria. To set an alarm, press and hold the MENU key until page 1 of the main-menu appears. The cursor arrow will point to ALARM.
  • Page 15 The display shows OUT BAND and IN BAND. This menu ALARM sub-menu 4 selects which values are to be considered. OUT BAND - Any value falling outside the set limits LIMIT 1 and LIMIT 2 IN BAND - Any value falling between the set limits LIMIT 1 and LIMIT 2 ALARM sub-menu 5 Use UP and DOWN to move the cursor and press ENTER to...
  • Page 16 Example 1 Example 1 LOAD UPPER LIMIT Settings: - LOWER LIMIT BOTH LED and audio 10% DROP alarms are active Alarm triggers on OUT BAND Alarm is set to FAIL TIME % DROP is 10% of full- scale (e.g. AFG 100N must register drop of 10N) RED LED Main display is set to 1st...
  • Page 17 Example 3 Example 3 LOAD Settings: - UPPER LIMIT 10% DROP LOWER LIMIT BOTH LED and audio alarms are active Alarm triggers on OUT BAND Alarm is set to FAIL TIME % DROP is 10% of full-scale (e.g. AFG 100N must RED LED register drop of 10N) Main display is set to 1st...
  • Page 18 Example 5 Example 5 Settings: - LOAD UPPER LIMIT BOTH LED and audio 10% DROP LOWER LIMIT alarms are active Alarm triggers on OUT BAND Alarm is set to FAIL % DROP is 10% of full- TIME scale (e.g. AFG 100N must register drop of 10N) RED LED Main display is set to 1st...
  • Page 19 Press ESC to return to main-menu page 1. The AFG may be used to send a signal to control the STAND Mecmesin range of motorised test stands via a dedicated cable. To configure the signal output from the AFG, press and hold Contact your supplier for stand the MENU key until page 1 of the main-menu appears.
  • Page 20 Select UP or DOWN to tell the gauge which direction the REVERSE sub-menu 1 stand will begin to move before the load-limit is reached. BREAK - Sets the gauge to reverse at sample break. Press REVERSE sub-menu 2 ENTER to select. SET % of load cell capacity to indicate the value by which the Break sub-menu 1 load must fall to determine a break.
  • Page 21 Note: It is recommended to back to STAND sub-menu 1 and STAND ON will now be press RESET after each displayed. Press ESC to return to main-menu page 1. STAND operation This feature is used to ‘freeze’ the main-display when an FREEZE external signal is received.
  • Page 22 1st Peak Tension/Compression The dual Max display now shows Fig. 11 1st peak tension and 1st peak compression. Load currently applied to instrument is also shown (0000.0) The display will show % DROP OFF and SET. Press ENTER to % DROP sub-menu 1 change % DROP OFF to % DROP ON.
  • Page 23 AVERAGE/TIME x Peak 100N Average Start Threshold Stop Threshold TIME This function allows the average load reading to be displayed. The average starts being calculated when the threshold (% of full-scale) is reached and stops being calculated when the load falls back below this threshold. To set AVERAGE over TIME, press and hold the MENU key until page 1 of the main-menu appears.
  • Page 24 RATE This function allows the selection of the gauge throughput rate, i.e. the amount of averaging performed by the internal electronics before the load reading is displayed. There are three levels HI, MED and LO. HI - Display updates quickly with little data averaging MED - Gauge default.
  • Page 25 FOOTSWITCH 2 To assign the function of a key to FOOTSWITCH 2 use UP and DOWN to move the arrow key to FOOTSWITCH 2. Using UP and DOWN select the relevant key (MAX, UNITS, TXD, ZERO or RESET) and press the ENTER key. Press ESC to return to page 2 of the main-menu.
  • Page 26 The transmission (or Baud) rate can now be set. Port sub-menu 2 Use the UP or DOWN key to position the arrow cursor at the relevant speed (2400, 9600, 57600 or 115200). Press ENTER to select. You will now return to page 2 of the main-menu. To set STORE MEM press ENTER from Comms sub-menu 1.
  • Page 27 Place the gauge (or your external SMART sensor) horizontally on a flat level surface. By using UP or DOWN keys Select the CAL option and the display will show 0000. Press ENTER four times (to enter 0000 as the password), a screen showing initial (at calibration) load cell offsets and current offset in % is displayed.
  • Page 28: Afg Specifications

    AFG SPECIFICATIONS RANGE & RESOLUTION Model no: AFG2.5 2,500 x 0.5 2.5 x 0.0005 - 250 x 0.05 9 x 0.002 0.55 x 0.0001 AFG 5 5,000 x 1 5 x 0.001 500 x 0.1 0.5 x 0.0001 18 x 0.005 1.1 x 0.0002 AFG 10 10,000 x 2...
  • Page 29 AFG SPECIFICATIONS PLC Signals Electrical (continued) Supply voltage: The relay is powered from a 5 volt regulator inside the AFG Input control: The relay state is controlled via a TTL signal from the AFG and is in a “closed position” when a logic ‘1’...
  • Page 30 Advanced Menu Options Flow Chart Page 1 On the following pages are flowcharts to help you navigate the menus found in the AFG. They appear in the order they appear on the two pages of the main menu on the Gauge. Alarm page 28...
  • Page 31 Advanced Menu Options Flow Chart Page 1 page 29...
  • Page 32 Advanced Menu Options Flow Chart Page 1 Freeze % Drop Average/Time Rate page 30...
  • Page 33 Advanced Menu Options Flow Chart Page 2 Footswitch1 Footswitch2 Comms Constant page 31...
  • Page 34 Advanced Menu Options Flow Chart Page 2 Information Calibration Contrast page 32...
  • Page 35 THREAD CONNECTOR = M6 x 1.0 21mm Rear View Shown with Dovetail Mounting Bracket BATTERY COVER (supplied with Mecmesin Test Stands) AFG Mk 3 D Connector Pin Out: Analogue Output RS232 Transmit RS232 Receive Mitutoyo Clock Output Mitutoyo Ready Output...
  • Page 36 DataPlot WINDOWS SOFTWARE FOR LOGGING, PLOTTING AND ANALYSING FORCE/TORQUE DATA DataPlot enables a PC to communicate with Mecmesin digital force gauges, torque gauges and display units, by means of the bi-directional RS232 interface which is a standard feature of all instruments.
  • Page 40 West Sussex RH13 0SZ S.I. Instruments England 256 South Rd. Hilton South Australia 5033 General Enquiries: +44 (0) 1403 799979 Ph (08) 8352 5511 Service & Calibration +44 (0) 1403 799920 +44 (0) 1403 799925 info@si-instruments.com www.mecmesin.com www.si-instruments.com info@mecmesin.com DEALER STAMP...

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