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7. CALIBRATION

The AD-4532B measures voltage signals from sensors and displays the values. Calibration is

performed on the AD-4532B so that it performs correctly.

7-1 Description of Calibration

Calibration has the following setting items and operations.

Minimum division setting

Selects the minimum division.

Rated capacity setting

Sets the rated capacity.

Zero calibration

Adjusts the indicator so that the measured value will be zero

when no load is applied to the load cell.

Span calibration

Adjusts the indicator so that it can correctly measure the change

in the input voltage generated by loading the load cell.

Notes on calibration

The setting range of output resolution is less than 10000. Even if a value exceeds

10000, it will be displayed.

Perform a periodic check to confirm that the indicator measures correctly. And

perform calibration as necessary.

When the installation site is changed, confirm that the indicator measures correctly,

and perform calibration as necessary.

When performing span calibration using a calibration weight, use a weight having a

mass of more than two-thirds of the maximum measured value to minimize
calibration errors.

Wait for the indicator to stabilize before calibration to ensure correct measurements.
To use the decimal point, use function mode

f-00.

Содержание AD-4532B

Страница 1: ...AD 4532B Digital Indicator INSTRUCTION MANUAL 1WMPD4001683...

Страница 2: ...here the symbol is placed This symbol indicates the ground terminal This symbol indicates information useful to the user for operation of the device 2008 A D Company Ltd All rights reserved No part of...

Страница 3: ...ital Span Mode 19 7 4 Calibration Mode 21 7 5 Full Calibration Mode 22 8 FUNCTION MODE 24 8 1 Setting a Function 24 8 2 Description of the Function Items 25 9 HOLD FUNCTION 29 9 1 Basic Operation 29 9...

Страница 4: ...TPUT 53 13 1 Input Terminal 53 13 2 Output Terminal 54 14 CHECK MODE 55 14 1 Check Mode Procedure 55 15 OPTIONS 60 15 1 AD 4532B 01 BCD Parallel Output 60 15 2 AD 4532B 04 RS 232C Serial Interface 62...

Страница 5: ...the Modbus RTU interface with an external computer The front panel keys contact signals on the rear panel and the Modbus port can be used for zero adjustment and peak holding Hold function Sample pea...

Страница 6: ...tantaneous dropout or noise Avoid sharing with the power line Connect a grounding wire to the ground terminal Do not share grounding with other units that create electrical noise Keep cables sensitive...

Страница 7: ...upply During calibration both no load and actual load input must be stable If the inputs are unstable from the moment the 1 key is pressed to the moment the next data is displayed a calibration error...

Страница 8: ...F S 1 digit A D conversion 2000 times per second Temperature characteristics Zero 0 5 V C typ Span 30 ppm C typ Display panel Main display 7 segment 3 colored red orange green 6 digit LED screen with...

Страница 9: ...532B 08 Ethernet interface Note Only one of the options can be installed in the AD 4532B at a time General specifications Power requirement 85 VAC to 250 VAC 50 60 Hz Approx 20 VA Operating temperatur...

Страница 10: ...es not reach the lower limit value LO NG Turns on when the comparison result of the 2D comparator mode is no good LATCH Turns on when the LATCH function is being performed PEAK Turns on when the hold...

Страница 11: ...med to be at the zero point and the displayed value is reset to zero zero adjustment This key selects a digit when setting a value Pressing this key will display the set upper limit value This key inc...

Страница 12: ...on of Each Terminal 5 1 1 Ground terminal 27 and AC input terminals 35 36 27 Ground terminal Be sure to connect a grounding wire to avoid electrical shock and prevent static electricity from affecting...

Страница 13: ...ays should not be exceeded To protect the output relays use a varistor CR circuits or diodes 5 1 3 Control input terminals 19 26 28 30 19 ZERO input terminal Inputs the zero correction signal 20 HOLD...

Страница 14: ...EN Connects to EXC when 4 wire sensors are used 9 18 FG terminals Frame ground terminals for the sensor input Connect the sensor cable shield here 16 Sensor input terminal SIG Positive signal input te...

Страница 15: ...mplifier output terminal Analog amplifier output is 10 V to 10 V at 3 2 mV V Amplifies the sensor inputs in an analog manner and outputs the amplified signal 15 Analog amplifier output signal ground t...

Страница 16: ...e AD 4532B are executed 6 1 Flowchart Input from sensor Input filter Analog amplifier output A D conversion 2000 times s Moving average filter Digital filter Measured value Display filter 1 to 32 time...

Страница 17: ...ors 6 2 3 Moving average filter Filter which averages the measured values converted from analog to digital The number of moving average is set in function mode f 02 The maximum number of moving averag...

Страница 18: ...n mode f 33 6 2 9 Comparator and comparator output The comparator judges the measured values using the upper lower limit values and the comparator output outputs the comparison results A comparator mo...

Страница 19: ...asure the change in the input voltage generated by loading the load cell Notes on calibration The setting range of output resolution is less than 10000 Even if a value exceeds 10000 it will be display...

Страница 20: ...and span calibration are carried out using an actual load after minimum division and rated capacity have been set 7 2 1 Selecting or changing the calibration mode 1 In the measurement mode press the F...

Страница 21: ...imum division 1 Increases the value 1 Decreases the value 1 Saves the minimum division and goes to step 3 ESC Cancels the operation and returns to the d 5p display 7 3 2 Setting the rated capacity 3 U...

Страница 22: ...he sensor s rated output voltage 1 Selects the digit to set 1 Increases the value 1 Decreases the value 1 Saves the rated output voltage and goes to step 6 ESC Cancels the operation and returns to the...

Страница 23: ...the value of the actual weight used Wait for the value to stabilize and press the 1 key 1 Selects the digit to set 1 Increases the value 1 Decreases the value 1 Performs span calibration and goes to s...

Страница 24: ...to set the minimum division 1 Increases the value 1 Decreases the value 1 Saves the minimum division and goes to step 3 ESC Cancels the operation and returns to the fCal display 7 5 2 Setting the rate...

Страница 25: ...to stabilize and press the 1 key 1 Selects the digit to set 1 Increases the value 1 Decreases the value 1 Performs span calibration and goes to step 6 ESC Cancels the operation and returns to the fCa...

Страница 26: ...lay And the value corresponding to the function number is displayed in the main display Use the following keys to set the function item 1 Selects the digit to set 1 Increases the value 1 Decreases the...

Страница 27: ...citation voltage 1 2 5 V Selects the voltage supplied to the sensor 1 1 time second 2 2 times second 4 4 times second 8 8 times second 16 116 times second Display f 05 Display update rate 32 132 times...

Страница 28: ...nd the DAV output while external LATCH is input 0 Sample hold 1 Peak hold 2 Bottom hold f 14 Hold mode 3 Bipolar peak hold Hold f 15 Holding time after releasing hold 0 99 0 No holding time 1 to 99 0...

Страница 29: ...20000 Sets the measured value that corresponds to DAV output value of 0 V 0 Factory setting f 23 Measured value at 10 V output 20000 20000 Sets the measured value that corresponds to DAV output value...

Страница 30: ...ing the measured value DAV DAI f 36 DAV DAI mode 1 Outputs DAV DAI value without holding the measured value after holding or latching the measured value 1200 1200 bps 2400 2400 bps 4800 4800 bps 9600...

Страница 31: ...will start the hold function The RS 232C hold OFF command C CR LF will stop the hold function HOLD indicator When the hold function is started the HOLD indicator turns on to indicate that the hold fu...

Страница 32: ...mode Holds the peak value when receiving the hold input Sensor input Displayed value ON OFF ON OFF key External hold input During the holding operation and turns on Front panel Rear panel Sensor input...

Страница 33: ...ipolar peak hold mode Holds the absolute peak value when receiving the hold input ON OFF ON OFF key External hold input During the holding operation and turn on Front panel Rear panel Sensor input Dis...

Страница 34: ...f the simple comparator mode The relation between the output results and the output condition is as shown below Comparator output terminal Output condition HI Upper limit Measured value OK Lower limit...

Страница 35: ...alue 1 Selects the digit to set 1 Increases the value 1 Decreases the value Changes the polarity sign 1 Saves the changed value and returns to step 2 ESC Cancels the operation and returns to the measu...

Страница 36: ...n nor result output is performed To make a continuous comparison set the function mode f 18 COMP ON to 0 Not used Zero band and output When the measured value is less than the zero band value HI OK or...

Страница 37: ...or result output is performed To use the COMP ON input terminal set the function mode f 18 COMP ON to 1 Used The relation between the output results the indicator color and the output condition for e...

Страница 38: ...witches between the upper limit and lower limit value 1 Increases the level 1 Decreases the level 1 Selects the item to be changed and goes to step 3 ESC Cancels the operation and returns to the measu...

Страница 39: ...s Example f 16 5 5 level continuous comparison When the judgment result is OK Hi 2 lo 2 Hi 1 lo 1 Hi 3 lo 3 Hi 4 lo 4 Hi 5 lo 5 COMP ON COMP 1 COMP 2 COMP 3 COMP 4 COMP 5 HI output OK output LO output...

Страница 40: ...e judgment result is NG Hi 2 lo 2 Hi 1 lo 1 Hi 3 lo 3 Hi 4 lo 4 Hi 5 lo 5 COMP ON COMP 1 COMP 2 COMP 3 COMP 4 COMP 5 HI output OK output LO output ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON O...

Страница 41: ...arting time and ending time 1 Increases the level 1 Decreases the level 1 Selects the item to be changed and goes to step 3 ESC Cancels the operation and returns to the measurement mode 3 The value bl...

Страница 42: ...elow Level 1 t1 5t 60 t1 end 180 Unit ms Level 2 t2 5t 240 t2 end 340 Level 3 t3 5t 440 t3 end 580 Level 4 t4 5t 680 t4 end 920 Level 5 t5 5t 1100 t5 end 1340 When the judgment result is OK Hi 2 lo 2...

Страница 43: ...the judgment result is NG 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 Hi 2 lo 2 Hi 1 lo 1 Hi 3 lo 3 Hi 4 lo 4 Hi 5 lo 5 COMP ON HI output OK output LO output ON OFF ms ON OFF ON OFF...

Страница 44: ...mparison is useful for an operation such that the pressure increases rapidly at the pressurization starting time and changes in pressure occur during the pressurization process Using this mode an erro...

Страница 45: ...HI When the measured value exceeds the set upper limit value HI is output Even if the measured value falls below the upper limit value after that OK is not output immediately OK will be output when th...

Страница 46: ...hysteresis width or when the hysteresis time has elapsed Relation between OK and LO When the measured value falls below the set lower limit value LO is output Even if the measured value returns above...

Страница 47: ...alls below the upper limit value OK is output immediately Relation between OK and LO When the measured value falls below the set lower limit value LO is output Even if the measured value returns above...

Страница 48: ...ut AAO Amplifies the sensor s analog signals 625 times and outputs the amplified signal The output voltage range is from 10 V to 10 V The pass band can be changed in function mode f 01 Output example...

Страница 49: ...100ppm C typ Linearity 0 05 F S Drift in the sensor input unit not included Load resistance 5 k or more 11 2 2 Fine adjustment of zero and span Note on using this function Use this mode only when ade...

Страница 50: ...y ten 1 Saves the adjusted value ESC Cancels the operation and returns to the dav display Note Before fine adjustment the color of the main display is green It changes to orange when fine adjustment i...

Страница 51: ...ns 12 1 1 Specifications Communications protocol Modbus RTU Transmission system RS 485 Transmission distance 1 2 km or less Transmission form Synchronous half duplex Baud rate 1200 bps 2400 bps 4800 b...

Страница 52: ...evel 1 OK output 12 Level 2 HI output 13 Level 2 LO output 14 Level 2 OK output 15 Level 3 HI output 16 Level 3 LO output 17 Level 3 OK output 18 Level 4 HI output 19 Level 4 LO output 20 Level 4 OK o...

Страница 53: ...arting time 27 28 Level 1 ending time 29 30 Level 2 starting time 31 32 Level 2 ending time 33 34 Level 3 starting time 35 36 Level 3 ending time 37 38 Level 4 starting time 39 40 Level 4 ending time...

Страница 54: ...ommunication can not be enabled after connection check all of the connections 12 2 2 When making a connection between a master device and multiple indicators Connect the termination resistor at each e...

Страница 55: ...re for both the mechanical contact ON time and OFF time The switch element is a no voltage input a mechanical contact or semiconductor contact Leakage at the switch element when OFF should be 30 A or...

Страница 56: ...pecified rating to prevent over voltage or over current from destroying the MOS FET relay Connect a spark killer to the load appropriate to AC DC Do not short circuit the load It may damage the MOS FE...

Страница 57: ...Press the 1 key to check the display All the display segments are turned on After the display check rom appears to indicate that the indicator has entered the ROM version check mode 1 Moves to the ne...

Страница 58: ...wing keys to check the output voltage 1 Increases the DAV output value by one 1 Decreases the DAV output value by one 1 Finishes the DAV voltage check mode and enters the zero calibration mV V value c...

Страница 59: ...input and comparator output 1 Moves to the next check mode without performing the current check mode 1 Enters the I O check mode and goes to step 12 ESC Returns to the CHeCk display 12 When an input...

Страница 60: ...de and goes to step 14 ESC Returns to the CHeCk display 14 When each key is pressed the corresponding digit in the sub displays turns to 1 Press the ESC key for three seconds or more release it then p...

Страница 61: ...calibration settings is selected init f Initializes the function settings iinit C Initializes the calibration settings iinitda Initializes the DAV settings Note iinit0p Initializes the option setting...

Страница 62: ...532B at a time 15 1 AD 4532B 01 BCD Parallel Output The BCD parallel output is an interface to convert measured values into a BCD format and output Using this interface the AD 4532B can be connected t...

Страница 63: ...2 A10 Output 4 104 B10 Output 8 104 A11 Output 1 B11 Output 2 A12 Output 4 105 B12 Output 8 105 A13 Output OVER B13 Output Polarity A14 Output STABLE B14 Output Zero band A15 Output Decimal point 101...

Страница 64: ...Odd Stop bit 1 bit 2 bits Code ASCII Terminator CR LF CR 0DH LF 0AH Applicable connector D Sub 9 pin 15 2 2 Pin assignment and circuit 12345 Pin No Signal name Direction Description 2 TXD Output Tran...

Страница 65: ...data Outputs the displayed data immediately after receiving the command Command R Command example R CR LF Response example W T 0 1 2 3 4 5 CR LF Zero command Performs zero adjustment Transmits I if th...

Страница 66: ...of the 2D comparator mode For example S1 means the setting value for the level 1 Command example S 0 1 2 3 4 5 0 1 2 3 4 5 CR LF S 1 0 1 2 3 4 5 0 1 2 3 4 5 CR LF Response example S 0 1 2 3 4 5 0 1 2...

Страница 67: ...dicator circuit 1 Voltage output 2 Signal ground 3 Shield 4 Current output 5 Signal ground 6 Shield External view and pin assignment 15 3 1 Specifications Analog voltage output DAV Rated output range...

Страница 68: ...times to display 0p da 3 Press the key to enter the DAV DAI adjustment mode 4 In the main display dav 0v appears indicating that the 0 V fine adjustment mode is selected And in the right side of the s...

Страница 69: ...the DAV DAI check mode ESC Cancels the operation and returns to the CHeCk1 display 4 In the main display the DAV output voltage is displayed Connect the digital multimeter Check the displayed value a...

Страница 70: ...option The data format and commands are the same as those of the AD 4532 04 RS 232C serial interface 15 4 1 Features External view Using this option one personal computer can collect data from multipl...

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