When you notice any of the unusual conditions listed below, immediately terminate operation and disconnect the power cable. Please Contact Applent Instruments Incorporation sales representative for repair of the instrument. If you continue to operate without repairing the instrument, there is a potential fire or shock hazard for the operator.
In addition it violates safety standards of design, manufacture, and intended use of the instrument. Disclaimer The Applent Instruments assumes no liability for the customer's failure to comply with these requirements. To avoid electric shock hazard, the instrument chassis and cabinet must be...
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Manual Print History The print history shown below lists the printing dates of all Revisions and Addenda created for this manual. The Revision Level letter increases alphabetically as the manual undergoes subsequent updates. Addenda, which are released between Revisions, contain important change information that the user should incorporate immediately into the manual.
AT682/683 User’s Manual CERTIFICATION, LIMITED WARRANTY & LIMITATION OF LIABILITY Applent Instruments, Inc. (shortened form Applent)certifies that this product met its published specifications at the time of shipment from the factory. Applent further certifies that its calibration measurements are traceable to the People‟s Republic of China National Institute of Standards and Technology, to the extent allowed by the...
HV LED is lit. Before turning on the AT682/683, make sure the AC power cord is plugged into the proper voltage source and that there is no device (DUT) or fixture connected to the test leads.
AT682/683 User’s Manual Unpacking and Preparation This chapter describes how to set up and start the AT682/683 Megohmmeter. Incoming Inspection Power Requirements Setting up the Fuse How to Remove the Handle Environmental Requirements Cleaning 1.1 Incoming Inspection...
UL/CSA type, Slow-Blow, 5× 20-mm miniature fuse, 1A, 250 V When you need a fuse, contact your nearest Applent Instruments sales or service office. To verify and replace the fuse, remove the power cable and pull out the fuse holder.
Vibration: Max. 0.5 G, 5 Hz to 500 Hz 1.6 Cleaning To prevent electrical shock, disconnect the AT682/683 power cable from the receptacle before cleaning. Use a dry cloth or a cloth slightly dipped in water to clean the casing.
(DUT) is programmable from 1 to 1000 volts. The AT682/683 can output comparison/decision results for sorting components into 2 bins. Furthermore, by using the handler interface, the AT682/683 can be easily combined with a component handler and a system controller to fully automate component testing,...
3. Startup Getting Started This chapter describes names and functions of the front panel, rear panel, and screen display and provides the basic procedures for operating the AT682/683. Front Panel Summary Real Panel Summary Power-up Begin Measuring 3.1 Front Panel...
AT682/683 User’s Manual Full Terminals Information refers to “Connection to DUT” Keypad II (shifted or un-shifted) Multi-function keys: Numeric, 1 Function and 2 Function. Shift Key Keypad I (shifted or un-shifted) Dual-Function keys: 1 Function and 2 Function. ...
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Remote Open/Close RS232 Interface. Admin Only administrators can operate. NOTE: Admin Functions: Password Protected. For more technical support, please contact Applent Instruments. Send An Email to Applent Technical Center: tech@applent.com Trigger Trigger Set。 Numeric Keys ASSUMER: On the Instrument Panel: ...
AT682/683 User’s Manual 3.3 Power-up 3.3.1 Line Power Connection Follow the procedure below to connect the AT682/683 to line power and turn on the instrument. Before plugging in the power cord, make sure that the front panel power switch is in the off (0) position.
3. Startup 3.4 Measurement configuration 3.4.1 Connection to Device under Test (DUT) Figure 3-6 Connection to DUT WARNING: When the HV LED is lit, No touching the device under testing, the lead wires or the output terminals. 3.4.2 Voltage Voltage Input box accepts entry of a test voltage between 1.0 and 1000 VDC. <100V in 0.1V intervals, 100V in 1V intervals.
3.4.5 Sample Timer Accept entry of a sample time between 0 and 999.9 seconds in 0.1 second. In the measurement state, AT682/683 will sample a data every sample time. 1.Under discharge state, press Timer key into timer window. Rotate knob to choose“SAMPLE”item and enter setup window.
3. Startup 3.4.6 Clear Zero Correction (Zeroing) Before making measurements, AT682/683 should be zeroed to correct for test lead or fixture errors. During the zeroing process corrections are calculated and stored in AT682/683 flashrom and applied to ongoing measurements. The zeroing process...
AT682/683 User’s Manual Charge State: 1. Press Charge key to enter charge state. 2. The (-) terminal outputs negative voltage and charge timer starts. 3. After timer decreasing to zero, the state will be switched to “Test State”. 4. Press Charge key again to enter “Test State”...
Press View key to display sorting result (GD/NG) at VFD 2 line. 3.5.6 Turning ON/OFF the Beep Feature. The AT682/683 has a beep feature which generates beeps when the following two conditions have been occurred: The DUT is out of range limit and the situation has been sorted as NG by the comparator.
4. Comparator 3.Press Enter key to exit to DISCHARGE STATE and the setting saved. 4. Press Esc key to exit to DISCHARGE STATE and the setting without being saved. 4.2.3 How the comparator work Under TEST STATE, the comparator determines whether the measurement result (displayed value) is within the upper or lower limits set by the Refer Comparator Limit key.
(GD/NG), and so on to external devices from the AT682/683. You can also input the external trigger signal and the comparator select signal to the AT682/683. With this interface and the comparator function, you can build an automatic screening system composed of the AT682/683 and the handler.
(anode side) is connected to the pull-up power supply voltage. Output Signal: Each output signal is outputted via an open collector by using a photo-coupler. The voltage of each output is obtained by connecting pull-up resistors, inside or outside of the AT682/683.
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AT682/683 User’s Manual NOTE: If the external power supply greater than 8VDC, use external pull-up resistance please. The Pin 32 leaves float. The output signal current can not drive relay. Power supply The power supply for the judgment output signal pull-up and that for the operation output signal pull-up and input signal drive can be set separately.
Transmit data Receive date Not Connection Ground Not Connection Not Connection Not Connection Make sure the controller you connect to AT682/AT683 also uses these settings. The RS-232 interface transfers data using: 8 data bits, 1 stop bit, And no parity.
4. Rotate knob to choose 4800 / 9600/ 19200/ 38400/ 57600 items. 5. Confirm your selection by pressing ENTER. 6.3 SCPI Language Standard Commands for Programmable Instruments (SCPI) is fully supported by the RS-232 interfaces. NOTE: AT682/683 ONLY supports the SCPI Language.
Command Reference This chapter contains reference information on programming AT682/683 with the SCPI commands. This chapter provides descriptions of all the AT682/683's available RS-232 commands which correspond to Standard Commands for Programmable Instruments (SCPI) command sets, listed in functional subsystem order.
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AT682/683 User’s Manual comparator current resistance beep volume Figure 7-1. Command Tree Example Example: comp:beep:set ng\n comp Subsystem Command beep Level 2 Level 3 Parameter The basic rules of the command tree are as follows. Letter case (upper and lower) is ignored.
For example: PercentTolerance abbr. to ptol The AT682/AT683 accepts the three forms of the same SCPI commands: all upper case, all lower case, and mixed upper and lower case. 7.4 Header and Parameters The commands consist of a command header and parameters. (See the following.) comp:res 100.0e6...
AT682/683 User’s Manual (c) floating point: For example, 1.23e3, 5.67e-3, 123k, 1.23M, 2.34G, The available range for numeric data is 9.9E37. When numeric data is used as a parameter, the suffix multiplier mnemonics and suffix units (The suffix multiplier must be used with the suffix unit.) can be used for some commands as follows.
7. SCPI Command Reference 7. Query Syntax 8. Query Response 9. Example Using the Above Query Syntax 10. Constraints 7.6 Function Subsystem The FUNCtion subsystem command group sets the measurement parameter and measurement range. Figure 7-2 FUNCtion FUNCtion :RESistance Command Tree CURRent {<integer>,MIN,MAX} RANGe...
AT682/683 User’s Manual Parameters {<integer>,MIN,MAX} where <interger> Range no from 1 to 6. MIN =1 MAX =6 Tx> func:rang 5 For example //set range to 5 Tx> func:rang min //set range to 1 Tx> func:rang max //set range to 7 Query Syntax FUNCtion:RANGe? Query Response <integer>...
7. SCPI Command Reference Tx> VOLT? For example Rx> 10.0 Constraints Available under DISCH state 7.8 CORRection Subsystem The CORRection subsystem command group sets the OPEN correction function. Figure 7-4 CORRection CORRection Command Tree Command Syntax CORRection Parameters none Tx> CORR For example >...
AT682/683 User’s Manual :RECord The :RECord command sets Record number. Command Syntax COMParator:RECord <integer> Parameters <integer> 1-30 Tx> COMP:REC 2 For example //sets current record to 2 Query Syntax COMParator:RECord? Query Response <integer> 1-30 Tx> COMP:REC? For example Rx> 2...
7. SCPI Command Reference Tx> COMP:BEEP on For example Query Syntax COMParator:BEEP? Query Response {on,off} Tx> COMP:BEEP? For example Rx> on Constraints none :BEEP:SET The :BEEP:SET command sets ng beep or gd beep. Command Syntax COMParator:BEEP:SET {ng,gd} Parameters {ng,gd} Tx> COMP:BEEP:SET ng For example Query Syntax COMParator:BEEP:SET? Query Response {ng,gd}...
AT682/683 User’s Manual Command Tree :KEYLock Command Syntax SYSTem:KEYLock {on(1),off(0)} Parameters {on(1),off(0)} on: keypad locked. off: keypad unlocked. Tx> SYST:KEYL on For example Query Syntax SYSTem:KEYLock? Query Response {on,off} Tx> SYST:KEYL? For example Rx> off Constraints none 7.14 TRIGger Subsystem The TRIGger subsystem command group is used to enable a measurement and to set the trigger mode.
7. SCPI Command Reference Parameters {internal(int),hold,external(ext)} Tx> TRIG:SOUR hold For example Query Syntax TRIGger:SOURce? Query Response {internal,hold,external} Tx> TRIG:SOUR? For example Rx> external Constraints Available under DISCH state 7.15 FETCh Subsystem The FETCh? subsystem command group is a sensor-only command which retrieves the measurement data taken by measurement(s) initiated by a trigger Figure 2-11 FETCh?
A. Specifications Specifications This chapter describes the specifications and supplemental performance characteristics of the AT682/683: Specifications Dimension。 AT682/683 Megohmmeter Specifications Accuracy is defined as meeting all of the following conditions. Temperature: 23℃± 5℃ 65% R.H. Humidity: Zeroing: Open Correction Warm up time is 30 min or more.
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