A&D AD-4408C Instruction Manual

Manual is about: Weighing Indicator

Summary of AD-4408C

  • Page 1

    Ad-4408c weighing indicator instruction manual 1wmpd4001849a.

  • 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

    Page 1 ad-4408c weighing indicator contents 1. Safety precautions .......................................................................................................3 2. Introduction.....................................................................................................................

  • Page 4

    Ad-4408c weighing indicator page 2 11. Setting list..................................................................................................................58 11.1. Basic functions...............................................................................................58 11.2. Standar...

  • Page 5

    Page 3 ad-4408c weighing indicator 1. Safety precautions for safe and correct usage, read the following precautions carefully before using the indicator. Grounding earth ground the indicator by connecting the ground terminal located on the rear panel to the earth, to prevent a fire, electrical shock...

  • Page 6

    Ad-4408c weighing indicator page 4 2. Introduction the ad-4408c is a weighing indicator that amplifies signals from a load cell, converts it to digital data and displays it as a mass value. The accessory panel mount packing will provide the indicator the ip-65 protection. This indicator has the foll...

  • Page 7

    Page 5 ad-4408c weighing indicator 3. Specifications 3.1. Analog section input sensitivity 0.15 μv/d or greater input voltage range -35 mv to +35 mv (-7 mv/v to +7 mv/v) zero adjustment range -35 mv to +35 mv (-7 mv/v to +7 mv/v) load cell excitation voltage 5vdc 5%, 120 ma with remote sensing capab...

  • Page 8

    Ad-4408c weighing indicator page 6 3.3. General 3.3.1. Interface standard serial output output for communication with a&d peripheral devices (20 ma current loop) cc-link interface cc-link ver.1.10 remote device station 3.3.2. Measuring functions zero adjustment • sets the gross weight to zero by pre...

  • Page 9

    Page 7 ad-4408c weighing indicator 3.3.3. Other data backup • zero value and tare weight memory backup by lithium battery. (approx. 10 years) • calibration data and function data written into the eeprom power source 100 vac to 240 vac, +10%, -15%, (50/60 hz) power consumption approximately 10 va ope...

  • Page 10

    Ad-4408c weighing indicator page 8 4. Description of each part 4.1. Front panel fig.1 front panel displays no. Name description 1 main display displays the weight value, setting values, error messages, etc. 2 zero turns on when the weight value is in the center of zero. 3 stable • turns on when the ...

  • Page 11

    Page 9 ad-4408c weighing indicator key switches no. Name description 11 • the key to turn the indicator on (weighing mode) and off (off mode). • to turn the indicator off (off mode), press and hold the key for three seconds or more. • when off, all of the displays and external output/input devices a...

  • Page 12

    Ad-4408c weighing indicator page 10 4.2. Rear panel fig.2 rear panel no. Name description 1 terminal block see the detailed description below. 2 cc-link connector 3 cc-link status leds see the detailed description on the next page. 4 testing terminal leave this terminal unconnected. 1 terminal block...

  • Page 13

    Page 11 ad-4408c weighing indicator 3 cc-link status leds led on off blinking run normal • resetting • no signal sd transmitting rd receiving err • setting error • crc error • station trouble normal when a setting value is changed. ..

  • Page 14

    Ad-4408c weighing indicator page 12 5. Installation 5.1. Precautions 5.1.1. Environment the operating temperature is -10°c to +40°c. Do not install the indicator in direct sunlight. The indictor is not water-resistant. When used in an environment where the indicator may be exposed to splashing water...

  • Page 15

    Page 13 ad-4408c weighing indicator 5.1.2. Power source before connecting the indicator to the power source, read the instruction manual thoroughly. Do not connect the indicator to the power source before the installation is complete. To avoid electrical shock, do not handle the power cable with a w...

  • Page 16

    Ad-4408c weighing indicator page 14 5.4. Load cell connection two types of load cell connection are available: 6-wire connection and 4-wire connection. For high precision and stable weighing, 6-wire connection is recommended. (a) 6-wire connection (b) 4-wire connection fig.4 load cell connection.

  • Page 17

    Page 15 ad-4408c weighing indicator type advantages disadvantages description 6-wire connection (recommended) the error is small even when the load cell cable is extended, a thin load cell cable is used, or multiple load cells are used. Complicated wiring use a 6-wire shielded cable when a summing b...

  • Page 18

    Ad-4408c weighing indicator page 16 6. Operation 6.1. General function 6.1.1. Zero adjustment zero adjustment is a function to set the gross weight to zero. It is performed by pressing the zero key or by a command from the cc-link master station. The zero adjustment range is set in calf05 (zero adju...

  • Page 19

    Page 17 ad-4408c weighing indicator 6.1.3. Tare tare is a function to store the gross weight as the tare value and set the net weight to zero. The tare weight is stored in the battery backup ram and is maintained, even if the power is disconnected. Clearing the tare weight is performed using the f k...

  • Page 20

    Ad-4408c weighing indicator page 18 6.1.5. † display assign a function to the † display in the general functions. Functions related to the † display z fncf04 : assigns a function to the † display from the functions below: 0: none 1: zero tracking in progress 2: alarm (zero range setting error, over,...

  • Page 21

    Page 19 ad-4408c weighing indicator 6.2. Mode map the indicator has several modes to perform various operations. Perform mode switching by key operation as shown below, only in the direction of the solid arrow. After setting a mode, the indicator resets automatically. Alternately, the indicator rese...

  • Page 22

    Ad-4408c weighing indicator page 20 7. Calibration 7.1. General description in the calibration mode, the operation to relate the output voltage from a load cell to the mass value and other operations directly related to weighing are performed. Calibration with an actual load calibration is performed...

  • Page 23

    Page 21 ad-4408c weighing indicator 7.2. Calibration with an actual load (cal5et) calibration is performed using a calibration weight before performing calibration for the first time, set the unit, decimal point position, minimum division and weighing capacity in the calibration-related function mod...

  • Page 24

    Ad-4408c weighing indicator page 22 step 8 press the esc key. Cal5et is displayed and the calibration data is written into the eeprom. The current state is the same as that of step 2. To return to the weighing mode, press the esc key again. Note: if c errx is displayed, an error has occurred. Refer ...

  • Page 25

    Page 23 ad-4408c weighing indicator 7.3. Calibration-related functions (calf) step 1 press the on/off key to turn the indicator on (weighing mode) if it is in the off mode. Remove the cal key cover and press the cal key. Cal is displayed to indicate that the indicator enters the calibration mode. St...

  • Page 26

    Ad-4408c weighing indicator page 24 function no. Parameter or setting range function description default value calf01 0 to 3 unit unit of the weight value 0: none 1: g 2: kg 3: t 4: lb (usa version) 2 calf02 0 to 5 decimal point position decimal point position of the weight value 0: none 123456 1: 1...

  • Page 27

    Page 25 ad-4408c weighing indicator function no. Parameter or setting range function description default value calf06 0.0 to 5.0 zero tracking time performs zero tracking using this setting in combination with the setting of the zero tracking band. When 0.0, zero tracking will not be performed. Unit...

  • Page 28

    Ad-4408c weighing indicator page 26 function no. Parameter or setting range function description default value calf08 0.0 to 9.9 stability detection time performs stability detection using this setting in combination with the setting of the stability detection band. When 0.0, stability detection wil...

  • Page 29

    Page 27 ad-4408c weighing indicator function no. Parameter or setting range function description default value calf13 1 to 3 over at negative gross weight condition to judge over when the gross weight is negative. A/d negative over or 1: gross weight 2: gross weight 3: gross weight 1 calf14 1 to 2 o...

  • Page 30

    Ad-4408c weighing indicator page 28 note: record the setting values of calf17 , 18 and 19 in the “setting list” at the end of the manual to prepare against a failure. By changing the parameters of calf17 , 18 and 19 , “zero calibration” and “span calibration” can be adjusted optionally. (digital spa...

  • Page 31

    Page 29 ad-4408c weighing indicator 7.4. Calibration errors when an error occurs during calibration, the error number is displayed. If calibration is finished without releasing the error, the setting values will be restored to the state before calibration. Calibration errors and remedies error no. D...

  • Page 32

    Ad-4408c weighing indicator page 30 7.5. Load cell output adjustment add a resistor as shown below to adjust the load cell output. Use a resistor with a high resistance value and a low temperature coefficient. Fig.6 load cell output adjustment note: as the zero adjustment range of the ad-4408c is wi...

  • Page 33

    Page 31 ad-4408c weighing indicator 8. General functions general functions are divided into groups per function and are indicated by the group name with the function number. Note: general functions determine the ad-4408c performance and all the data are stored in the eeprom. 8.1. Setting procedure s...

  • Page 34

    Ad-4408c weighing indicator page 32 step 6 press the esc key. The function number disappears and the indicator returns to the state of step 2. Press the esc key to store the setting values in the eeprom and return to the weighing mode. Note: if a value exceeding the settable range is entered, err dt...

  • Page 35

    Page 33 ad-4408c weighing indicator 8.2. Basic functions (fncf) function no. Parameter or setting range function description default value f fncf01 000000 to 111111 disable key switch each digit of the setting corresponds to a key switch. Only available in the weighing mode. 0: does not disable the ...

  • Page 36

    Ad-4408c weighing indicator page 34 8.3. Standard serial output (cl f) function no. Parameter or setting range function description default value cl f01 1 to 5 output data 1: displayed weight 2: gross weight 3: net weight 4: tare weight 5: gross/net/tare 1 cl f02 1 to 3 data transfer mode 1: stream ...

  • Page 37

    Page 35 ad-4408c weighing indicator 9. Interface 9.1. Standard serial output the standard serial output with 0 to 20 ma can be connected to a device such as an a&d printer or remote display. The interface has no power source. Therefore, the external devices to be connected must have a power source. ...

  • Page 38

    Ad-4408c weighing indicator page 36 9.1.2. Output data the data format used is a&d standard format. This is a format to be used with an a&d printer or remote display and consists of two headers, data, unit and a terminator. A&d standard format ascii code hexadecimal description st [53 54] stable us ...

  • Page 39

    Page 37 ad-4408c weighing indicator 9.1.3. Data transfer mode three data transfer modes are available; stream, auto printing and manual printing. Stream mode transmits data in sync with the display update rate. If the indicator can not catch up with the update rate because of the baud rate, the tran...

  • Page 40

    Ad-4408c weighing indicator page 38 status leds led on off blinking run normal • resetting • no signal sd transmitting rd receiving err • setting error • crc error • station trouble normal when the setting values are changed fig.9 cc-link connector and leds.

  • Page 41

    Page 39 ad-4408c weighing indicator 9.2.1. Address map remote register (number of occupied stations: 4) addresses are examples when the station number is set to 1. Ad-4408c --> master station master station --> ad-4408c station remote register buffer memory name remote register buffer memory name rw...

  • Page 42

    Ad-4408c weighing indicator page 40 numeric values of the remote register all the values are hexadecimal. Negative values are expressed by the two’s complement. Decimal hexadecimal (16 bits) hexadecimal (24 bits) hexadecimal (32 bits) -10 fff6 fffff6 fffffff6 -1 ffff ffffff ffffffff 0 0000 000000 00...

  • Page 43

    Page 41 ad-4408c weighing indicator remote i/o (number of occupied stations: 4) addresses are examples when the station number is set to 1. Ad-4408c --> master station master station --> ad-4408c station remote input buffer memory name remote output buffer memory name rx0000 ry0000 rx0001 reserved i...

  • Page 44

    Ad-4408c weighing indicator page 42 ad-4408c --> master station master station --> ad-4408c station remote input buffer memory name remote output buffer memory name rx0060 net over ry0060 rx0061 net under ry0061 rx0062 gross over ry0062 rx0063 gross under ry0063 rx0064 a/d over ry0064 rx0065 a/d und...

  • Page 45

    Page 43 ad-4408c weighing indicator remote i/o (number of occupied stations: 2) addresses are examples when the station number is set to 1. Ad-4408c --> master station master station --> ad-4408c station remote input buffer memory name remote output buffer memory name rx0000 ry0000 rx0001 reserved i...

  • Page 46

    Ad-4408c weighing indicator page 44 ad-4408c --> master station master station --> ad-4408c station remote input buffer memory name remote output buffer memory name rx0020 net over ry0020 rx0021 net under ry0021 rx0022 gross over ry0022 rx0023 gross under ry0023 rx0024 a/d over ry0024 rx0025 a/d und...

  • Page 47

    Page 45 ad-4408c weighing indicator remote i/o (number of occupied stations: 1) addresses are examples when the station number is set to 1. Ad-4408c --> master station master station --> ad-4408c station remote input buffer memory name remote output buffer memory name rx0000 ry0000 zero rx0001 ry000...

  • Page 48

    Ad-4408c weighing indicator page 46 9.2.2. Commands the write command is used to send a command to the ad-4408c from the master station. For details, refer to “write command” in “9.2.3. Timing chart”. Command no. Command data command 0 1 zero 0 2 clear zero 0 3 tare 0 4 clear tare 0 5 hold 0 6 net d...

  • Page 49

    Page 47 ad-4408c weighing indicator resuming from suspended modes when the ad-4408c is in a mode that suspends weighing, such as calibration or off mode, the remote ready flag (rx007b) becomes inactive because a correct weight value can not be output. To resume from this condition, take the same ste...

  • Page 50

    Ad-4408c weighing indicator page 48 write command specify the data type to write by the command no. (rww000e). Place the data to write in the command data (rww000c to rww000d). Fig.12 performance of the write command cpu normal operation the cpu normal operation (rx0006) is a signal to check that th...

  • Page 51

    Page 49 ad-4408c weighing indicator error status flag when an error occurs to the ad-4408c, the remote ready flag (rx007b) becomes inactive and the error status flag (rx007a) becomes active to inform the master station of the error occurrence. The master station requests to reset the error status fl...

  • Page 52

    Ad-4408c weighing indicator page 50 10. Maintenance 10.1. Error messages if an error message is displayed, refer to the chart below to take proper measures. Error message cause remedy ad err data can not be acquired from the a/d converter. Repair is required. Ra err data can not be written into the ...

  • Page 53

    Page 51 ad-4408c weighing indicator display item to be checked chckey key switches chc cl standard serial output chc cc cc-link chc r5 testing terminal chc ad a/d (load cell) chc in internal count chcpr9 program version c5 pr9 program checksum c5 eep memory (eeprom) checksum 10.2.2. Checking the key...

  • Page 54

    Ad-4408c weighing indicator page 52 10.2.4. Checking the cc-link with chc cc displayed, press the enter key to enter the cc-link check mode. Press the ∧ or ∨ key to change the address. Press the cal key to transmit the request flag of initialization. Address remote i/o buffer memory 05 to 0c ry0000 ...

  • Page 55

    Page 53 ad-4408c weighing indicator 10.2.8. Checking the program version with chcpr9 displayed, press the enter key to display the version of the current program. The example below is when the program version is 1.00. 10.2.9. Checking the program checksum with c5 pr9 displayed, press the enter key t...

  • Page 56

    Ad-4408c weighing indicator page 54 10.3. Initialization mode the initialization restores the contents of the battery backup ram and eeprom to the default values. The three types of initialization are available as shown below. Initialization mode display description ram initialization ini ra initial...

  • Page 57

    Page 55 ad-4408c weighing indicator 10.3.2. All data initialization step 1 remove the cover concealing the cal key and press the cal key. Cal is displayed to indicate that the indicator enters the calibration mode. Step 2 press the enter key to display cal5et . The indicator enters the mode of calib...

  • Page 58

    Ad-4408c weighing indicator page 56 10.4. Checking the load cell connection using the digital multimeter using the digital multimeter, load cell connection can be checked easily. The figure below indicates the measurement points to check the connection. When a summing box is used, the same measureme...

  • Page 59

    Page 57 ad-4408c weighing indicator if the ad-4408c does not function properly, contact the nearest a&d dealer. Use the chart below to write necessary items before contacting the dealer. Item record your value description load cell connection □ 4-wire connection □ 6-wire connection for 4-wire connec...

  • Page 60

    Ad-4408c weighing indicator page 58 11. Setting list when performing maintenance, use the following list as a memo. In case of inquiry about the product, inform of the user setting. 11.1. Basic functions function no. Parameter or setting range description default value user setting f fncf01 000000 t...

  • Page 61

    Page 59 ad-4408c weighing indicator 11.2. Standard serial output function no. Parameter or setting range description default value user setting cl f01 1 to 5 output data 1: displayed weight 2: gross weight 3: net weight 4: tare weight 5: gross/net/tare 1 cl f02 1 to 3 data transfer mode 1: stream 2:...

  • Page 62

    Ad-4408c weighing indicator page 60 11.4. Calibration-related functions function no. Parameter or setting range description default value user setting calf01 0 to 3 unit of the weight value 0: none 1: g 2: kg 3: t 4: lb (usa version) 2 calf02 0 to 5 decimal point position of the weight value: 10 n 0...

  • Page 63

    Page 61 ad-4408c weighing indicator function no. Parameter or setting range description default value user setting calf13 1 to 3 condition to judge over when the gross weight is negative. A/d negative over or 1: gross weight 2: gross weight 3: gross weight 1 calf14 1 to 2 condition to judge over whe...

  • Page 64

    Ad-4408c weighing indicator page 62 12. External dimensions unit: mm fig.16 external dimensions.

  • Page 65

    Page 63 ad-4408c weighing indicator memo.

  • Page 66

    Ad-4408c weighing indicator page 64 memo.

  • Page 68

    3-23-14 higashi-ikebukuro, toshima-ku, tokyo 170-0013 japan telephone: [81] (3) 5391-6132 fax: [81] (3) 5391-6148 a&d engineering, inc. 1756 automation parkway, san jose, california 95131 u.S.A. Telephone: [1] (408) 263-5333 fax: [1] (408)263-0119 a&d instruments limited unit 24/26 blacklands way, a...