1. DL manuals
  2. A&D
  3. Measuring Instruments
  4. AD-4532B
  5. Instruction Manual

A&D AD-4532B Instruction Manual

Manual is about: Digital Indicator

Summary of AD-4532B

  • Page 1

    Ad-4532b digital indicator instruction manual 1wmpd4001683.

  • Page 2

    Warning definitions the warnings described in this manual have the following meanings: a potentially hazardous situation which, if not avoided, could result in death or serious injury. A potentially hazardous situation which, if not avoided, may result in minor or moderate injury or damage to the in...

  • Page 3: Contents

    1 contents 1. Introduction .............................................................................................................................3 1-1 features ........................................................................................................................................

  • Page 4

    2 12. Modbus rtu interface .........................................................................................................49 12-1 specifications.................................................................................................................................. 49 12-2 connect...

  • Page 5: 1. Introduction

    3 1. Introduction thank you for purchasing the ad-4532b, digital indicator. This manual describes how the ad-4532b works and how to get the most out of it in terms of performance. Please read this manual completely before using the ad-4532b. 1-1 features the ad-4532b has the following features. High...

  • Page 6: 2. Precautions

    4 2. Precautions the ad-4532b is a precision instrument. To get the most from your ad-4532b, observe the following precautions. 2-1 unpacking unpack the ad-4532b carefully and confirm that everything is contained. Keep the packing material if you want to transport the indicator again in the future. ...

  • Page 7

    5 2-3 precautions during use the ad-4532b is a precision instrument that measures the microvolt output from sensors. Prevent noise sources such as power lines, radios, electric welders or motors from affecting the instrument. Do not try to modify the ad-4532b. In any hold mode, the hold data is save...

  • Page 8: 3. Specifications

    6 3. Specifications number of measurement points 1 sensor type strain gauge sensors (output resistance: 10k Ω or less) sensor power supply (excitation voltage: to be switched by the function setting.) (1) 5 vdc 350 Ω sensor: up to four sensors can be connected. (1) 2.5 vdc 120 Ω sensor: up to two se...

  • Page 9

    7 modbus: modbus rtu others: zero adjustment, key disabling function and latch function options ad-4532b-01: bcd parallel output ad-4532b-04: rs-232c serial interface ad-4532b-07: dav/dai (analog voltage output/analog current output) ad-4532b-08: ethernet interface note: only one of the options can ...

  • Page 10: 4. Front Panel

    8 4. Front panel main display displays a measured value or set value. To set the decimal point position, use function mode f-00. Sub-displays displays an upper limit value (left side) or lower limit value (right side), or displays the set value. Status indicators hi : turns on when the measured valu...

  • Page 11

    9 keys when this key is pressed for more than three seconds, the display will turn on or off. Even during the display-off state, the power is supplied to the indicator and the standby indicator turns on. Pressing this key in each mode cancels the current state and returns to the previous state. When...

  • Page 12: 5. Rear Panel

    10 5. Rear panel this chapter explains the terminals on the rear panel and how to connect sensors. For the position of each terminal, see the illustration below. Terminal numbers that are printed on the top of the indicator casing confirm the terminal numbers when making connections when making conn...

  • Page 13

    11 5-1-2 comparator output terminals (31) (32) (33) (34) (31) hi output terminal outputs hi when the measured value exceeds the upper limit value. (32) ok output terminal outputs ok when the measured value is as shown below. Lower limit value ≤ measured value ≤ upper limit value (33) lo output termi...

  • Page 14

    12 5-1-4 modbus rtu terminals (1) - (4) (1) fg terminal frame ground terminal for modbus. Connects the modbus cable shield here. (2) (3) rs-485 terminals a and b terminals for the rs-485, that the modbus rtu uses. (4) sg terminal signal ground terminal for the rs-485. 5-1-5 sensor input terminals (5...

  • Page 15

    13 5-1-6 dav output terminals (d/a voltage output) (10) - (12) (10) fg terminal frame ground terminal for the dav output. Connects the dav output cable shield here. (11) dav output terminal dav output is –10 v to +10 v. Scaling is available by the function setting. (12) dav output ground terminal 5-...

  • Page 16: 6-1 Flowchart

    14 6. Components and functions the following flowchart shows how the functions of the 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 times/s hold compar...

  • Page 17

    15 6-2 description of functions 6-2-1 input filter an analog low pass filter which removes noise in the inputs from the sensors. A pass band can be selected from 3 hz, 10 hz, 30 hz, 100 hz, 300 hz and 1 khz in function mode f-01. 6-2-2 analog amplifier output the sensor’s analog signals are amplifie...

  • Page 18

    16 6-2-7 dav output the dav output is the measured value in digital format, converted to an analog output voltage. A dav output mode can be selected from output without holding or output after holding in function mode f-24. Scaling is available in function modes f-22 and f-23. 6-2-8 bcd parallel out...

  • Page 19: 7. Calibration

    17 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 minimu...

  • Page 20: 7-2 Calibration Modes

    18 7-2 calibration modes there are three calibration modes. Digital span mode (d-5p) the sensor’s rated output voltage is keyed in. Calibration is performed without using an actual load. Calibration mode (cal) zero and span calibration are carried out using an actual load. Full calibration mode (fca...

  • Page 21: 7-3  Digital Span Mode

    19 7-3 digital span mode the sensor’s rated output voltage is keyed in. Calibration is performed without using an actual load. 7-3-1 setting the minimum division 1. With d-5p displayed, press the ↵ key to go to the digital span mode. 2. When d 01 is displayed, setting the minimum division is enabled...

  • Page 22

    20 7-3-3 zero calibration 4. With nothing placed on the load cell, press the 1 ↵key. 1 ↵ performs zero calibration and goes to step 5. Esc cancels the operation and returns to the d-5p display. 7-3-4 digital span calibration 5. Use the following keys to enter the sensor’s rated output voltage. 1 > s...

  • Page 23: 7-4  Calibration Mode

    21 7-4 calibration mode zero and span calibration are carried out using an actual load. 7-4-1 zero calibration 1. With cal displayed, press the ↵ key to enter the calibration mode. 2. With nothing placed on the load cell, press the 1 ↵key. 1 ↵ performs zero calibration and goes to step 3. Esc cancel...

  • Page 24: 7-5  Full Calibration Mode

    22 7-5 full calibration mode zero and span calibration are carried out using an actual load after minimum division and rated capacity have been set. 7-5-1 setting the minimum division 1. With fcal displayed, press the ↵ key to enter the full calibration mode. 2. When d 01 is displayed, setting the m...

  • Page 25

    23 7-5-3 zero calibration 4. With nothing placed on the load cell, press the 1 ↵key. 1 ↵ performs zero calibration and goes to step 5. Esc cancels the operation and returns to the fcal display. 7-5-4 span calibration 5. Place a weight on the load cell. Use the following keys to enter the value of th...

  • Page 26: 8. Function Mode

    24 fnc 8. Function mode by selecting the function mode, various functions and data can be set. The set values saved, even if the power is off, are maintained in non-volatile memory. 8-1 setting a function 8-1-1 starting the function mode 1. In the measurement mode, press the fnc key for three second...

  • Page 27

    25 8-2 description of the function items item and parameter description 0 no decimal point e.G.: 123456 1 1 decimal place e.G.: 12345.6 2 2 decimal places e.G.: 1234.56 3 3 decimal places e.G.: 123.456 decimal point f-00 decimal point position 4 4 decimal places e.G.: 12.3456 0 3 hz 1 10 hz 2 30 hz ...

  • Page 28

    26 item and parameter description 0000 0 0 0 0 0: permit 1: inhibit keys f-12 inhibit by key to permit or inhibit zero adjustment by the zero key. To permit or inhibit the hold function by the hold key. To permit or inhibit monitoring the upper/lower limit values. To permit or inhibit changing the u...

  • Page 31: 9. Hold Function

    29 9. Hold function the ad-4532b has four hold modes; sample hold, peak hold, bottom hold and bipolar peak hold. A hold mode can be selected in function mode f-14. 9-1 basic operation 9-1-1 starting a hold mode four methods to start a hold mode are available. Using the hold key pressing the hold key...

  • Page 32: 9-2 Hold Modes

    30 9-2 hold modes 9-2-1 sample hold mode holds the display and output when receiving the hold input. 9-2-2 peak hold mode holds the peak value when receiving the hold input. Sensor input displayed value on off on off ＨＯＬＤ key external hold input during the holding operation, ＰＥＡＫ and ＨＯＬＤ turns on. ...

  • Page 33

    31 sensor input displayed value 9-2-3 bottom hold mode holds the bottom value when receiving the hold input. 9-2-4 bipolar peak hold mode holds the absolute peak value when receiving the hold input. On off on off ＨＯＬＤ key external hold input during the holding operation, ＰＥＡＫ and ＨＯＬＤ turn on. Front...

  • Page 34: 10. Comparator Function

    32 10. Comparator function the ad-4532b has two comparator modes; simple comparator and 2d (two dimensional) comparator. A comparator mode can be selected in function mode f-16. F-17 to f-21 are also comparator-related function modes. The comparator function compares the measured value against the s...

  • Page 35

    33 10-1-2 setting the upper and lower limit values 1. In the measurement mode, press the hi key or lo key to check the upper limit value or lower limit value. 2. In the main display, hi or lo appears. And in the right side of the sub-display, the upper limit or lower limit value that is currently se...

  • Page 36

    34 10-1-3 example of the simple comparator mode example: f-16 2 (continuous comparison, excluding the zero band) comp on input and output hi, ok or lo output is available only when the comp on input terminal is on (when the comp on input terminal is connected to the in com terminal). When the comp o...

  • Page 37: 10-2  2D Comparator Mode

    35 10-2 2d comparator mode the 2d (two dimensional) comparator mode performs a two dimensional comparison by switching the 5-level comparator with the upper and lower limit values that are preset for each level. 10-2-1 switching the comparator two switching methods are available. By comp 1 to comp 5...

  • Page 38

    36 10-3 2d comparator mode (by comp 1 to 5 inputs) 10-3-1 setting the upper and lower limit values for each level 1. In the measurement mode, press the hi key or lo key to check the upper limit value or lower limit value. 2. In the main display, hi 1 or lo 1 appears. And in the right side of the sub...

  • Page 39

    37 10-3-2 example of the 2d comparator mode (by comp 1 to 5 inputs) 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 on off on off on off on off o...

  • Page 40

    38 when the 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 off on off.

  • Page 41

    39 10-4 2d comparator mode (by time control) 10-4-1 setting the upper and lower limit values for each level 1. In the measurement mode, press the hi key or lo key to check the upper limit value or lower limit value. 2. In the main display, hi 1 or lo 1 appears. And in the right side of the sub-displ...

  • Page 42

    40 10-4-2 example of the 2d comparator mode (by time control) example: f-16 7 (5-level continuous comparison) with the starting and ending time for each level that are set as below. 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 en...

  • Page 43

    41 when 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 on off.

  • Page 44

    42 10-5 2d comparator mode (additional explanation) while the conventional comparison method detects and judges the maximum or minimum value only during measurement, the 2d comparator mode uses contact inputs from the rear panel terminals or elapsed time to make a comparison at various levels. This ...

  • Page 45

    43 10-6 comparator hysteresis function a hysteresis width and time is provided for the output relay on/off timing to prevent the output terminals from chattering. When the measured value exceeds the set value, the relay is turned on. If the measured value falls below the set value and it is further ...

  • Page 46

    44 10-6-2 upper/lower limit judgment (f-19 1) relation between ok and 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 the measured value is reduce...

  • Page 47

    45 10-6-3 downward 2-level judgment (f-19 2) relation between ok and hi even if the measured value exceeds the set upper limit value, hi is not output immediately. Hi will be output when the measured value is increased by the hysteresis width, or when the hysteresis time has elapsed. When the measur...

  • Page 48: 11. Analog Output

    46 11. Analog output the ad-4532b has two types of analog output; the analog amplifier output (aao) that amplifies the sensor’s analog signals and outputs the amplified signal, and the digital to analog voltage output (dav) that processes the measured values from the sensors according to the values ...

  • Page 49

    47 11-2 digital to analog voltage output (dav) processes the measured values from the sensors according to the values set in function modes f-22 to f-24, and outputs the processed signal as a voltage after d/a conversion. The output voltage range is from –10 v to +10 v. Scaling is available in funct...

  • Page 50

    48 3 . When dav 0v is displayed, adjusting 0v is enabled. In the right side of the sub-display, the internal correction factor for the dav output appears. Use the following keys to adjust the output voltage while looking at the digital multimeter. 1 > switches among 0 v, 10 v and –10 v. 1 ∧ increase...

  • Page 51: 12.  Modbus Rtu Interface

    49 12. Modbus rtu interface the modbus rtu interface reads the measured values or status from the ad-4532b, or writes the settings to the ad-4532b. Using the modbus rtu interface, a personal computer, plc or programmable display can be connected to the ad-4532b. 12-1 specifications 12-1-1 specificat...

  • Page 52

    50 12-1-2 data address data type address data data format 1 hold 2 release hold 3 zero 4 clear zero coil 0xxxx 5 save settings in eeprom 1 bit 1 hold 2 stable 3 zero band 4 rated capacity overflow 5 ad conversion overflow 6 hi output 7 lo output 8 ok output 9 level 1 hi output 10 level 1 lo output 1...

  • Page 53

    51 data type address data data format 1, 2 upper limit 3, 4 lower limit 5, 6 level 1 upper limit 7, 8 level 1 lower limit 9, 10 level 2 upper limit 11, 12 level 2 lower limit 13, 14 level 3 upper limit 15, 16 level 3 lower limit 17, 18 level 4 upper limit 19, 20 level 4 lower limit 21, 22 level 5 up...

  • Page 54: 12-2 Connection Procedure

    52 12-2 connection procedure 12-2-1 when making a connection between a master device and one indicator use a shielded twisted pair cable to make a connection. Connect termination resistors without fail. (100 Ω to 120Ω, 1/2 w to 2 w) the positions of a and b may be reversed for some master devices. I...

  • Page 55: 13.  Input and Output

    53 13. Input and output the ad-4532b has nine input terminals and three output terminals. 13-1 input terminal equivalent circuit diagram note on connecting input terminals ensure to allow 5 ms or more for both the mechanical contact on time and off time. The switch element is a no-voltage input (a m...

  • Page 56: 13-2 Output Terminal

    54 13-2 output terminal equivalent circuit diagram contact rating 250 vac 0.1 a 30 vdc 0.5 a note on connecting output terminals use a load within the specified 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. ...

  • Page 57: 14. Check Mode

    55 di5p 888888 88888 88888 14. Check mode the ad-4532b has check modes to check the performance of input and output terminals as follows. Display check mode, analog output check mode, i/o check mode and key check mode. 14-1 check mode procedure 14-1-1 entering a check mode 1. In the measurement mode...

  • Page 58

    56 14-1-4 excitation voltage check mode 6. Press the 1 ↵key to check the excitation voltage supplied to the sensor from the ad-4532b. In the example display shown to the right, the excitation voltage is 5 v 5. Press the 1 ↵key to go to the dav voltage check mode dav. 1 > moves to the next check mode...

  • Page 59

    57 14-1-7 span calibration mv/v value check mode 10. The span calibration mv/v value check mode displays the mv/v value at span calibration. Press the 1 ↵key to check the span calibration mv /v value. In the example display shown to the right, the value at span calibration is 2.18372 mv/v 2.18372. P...

  • Page 60

    58 14-1-9 key check mode 13. The key check mode checks the front panel keys. 1 > moves to the initialization mode without performing the current check mode 1 ↵enters the key check mode and goes to step 14. Esc returns to the check display. 14. When each key is pressed, the corresponding digit in the...

  • Page 61

    59 14-1-10 initialization 15. Initialization restores the various settings to the factory setting values. 1 > moves to the display check mode without performing the initialization. 1 ↵enters the initialization mode and displays init f in the main display. Esc returns to the check display. 16. Using ...

  • Page 62: 15. Options

    60 15. Options the ad-4532b has the following options available: ad-4532b-01 bcd parallel output ad-4532b-04 rs-232c serial interface ad-4532b-07 dav/dai analog voltage output/analog current output ad-4532b-08 ethernet interface only one of the options can be installed in the ad-4532b at a time. 15-...

  • Page 63

    61 15-1-2 equivalent circuit diagram 15-1-3 connector pin assignment pin no. Direction bcd code pin no. Direction bcd code a1 output 1 b1 output 2 a2 output 4 10 0 b2 output 8 10 0 a3 output 1 b3 output 2 a4 output 4 10 1 b4 output 8 10 1 a5 output 1 b5 output 2 a6 output 4 10 2 b6 output 8 10 2 a7 ...

  • Page 64

    62 15-2 ad-4532b-04 rs-232c serial interface the rs-232c serial interface can be connected to a device such as a personal computer, plc or a programmable display, to output the values displayed by the ad-4532b and perform controlling, collection or recoding. 15-2-1 specifications transmission form a...

  • Page 65

    63 15-2-4 command format when a command is processed, the indicator transmits the received command or the data. If a command can not be processed, for example, when the indicator is in operation, the indicator transmits “i”. Communication errors may occur due to external noise. When the indicator re...

  • Page 66

    64 command to send the upper/lower limit values outputs the set upper and lower limit values including the values of the 2d comparator mode. Command: s, sx (where x is the comparator level of the 2d comparator mode. For example, s1 means the setting value for the level 1.) command example: s cr lf s...

  • Page 67

    65 15-3 ad-4532b-07 analog voltage/current output (dav/dai) the dav/dai analog voltage/current output is an interface to output the values displayed by the ad-4532b as an analog voltage or analog current. The analog output range for voltage is from –10 v to +10 v and for current, from 4 ma to 20 ma....

  • Page 68

    66 15-3-2 fine adjustment of zero and span note on using this function use this mode only when adequate accuracy can not be obtained by the regular scaling set in function modes f-34andf-35 . This mode uses the internal correction factor and requires a high-precision digital multimeter. If a low-pre...

  • Page 69

    67 15-3-3 dav/dai voltage/current check this mode allows the user to check the dav/dai value. To use this mode, first enter the check mode. Voltage is used for checking. To check the current value (dai), the displayed value of 0 corresponds to 4 ma and the value of 10 corresponds to 20 ma. No negati...

  • Page 70

    68 15-4 ad-4532b-08 ethernet interface the ethernet interface allows communication between the ad-4532b and a personal computer. The windows communication tools for ethernet, winct-plus is provided with this option. The data format and commands are the same as those of the ad-4532-04 rs-232c serial ...