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A&D AD-4408A Instruction Manual

Manual is about: Weighing Indicator for Field Networks

Summary of AD-4408A

  • Page 1

    Ad-4408a weighing indicator for field networks instruction manual 1wmpd4001973.

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    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...

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    Page 1 ad-4408a contents 1. Safety precautions .......................................................................................................3 2. Introduction...................................................................................................................4 3. Specification...

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    Ad-4408a page 2 8.2. Basic functions (fncf) .....................................................................................32 8.3. Standard serial output (cl f) ..........................................................................33 9. Interface...............................................

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    Page 3 ad-4408a 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 earth ground terminal located on the rear panel to the earth, to prevent a fire, electrical shock or indicator...

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    Ad-4408a page 4 2. Introduction the ad-4408a is a weighing indicator that amplifies signals from a load cell, converts it to digital data and displays it as a weight value. Connection to various field networks is possible by installing the interface module into the option slot. • for details on appl...

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    Page 5 ad-4408a 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 capability load cell dri...

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    Ad-4408a page 6 3.3. General 3.3.1. Interface standard serial output output for communication with a&d peripheral devices (20 ma current loop) option slot connection to various field networks is possible by installing the interface module into the option slot. For details on applicable field network...

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    Page 7 ad-4408a 3.3.3. Other data backup against power failures • zero value, tare weight, calibration data and function data are written into the fram. • data retention time is 10 years or more. Power source 100 vac to 240 vac, +10%, -15%, (50/60 hz) power consumption approximately 10 va operating ...

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    Ad-4408a 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 weight value is sta...

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    Page 9 ad-4408a key switches no. Name description 9 cal • the key to enter the calibration mode. • the key is concealed by a sealable cover. To avoid unintentional operations, keep the cover attached except when entering the calibration mode. 10 • the key to turn the indicator on (weighing mode) and...

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    Ad-4408a page 10 4.2. Rear panel fig.2 rear panel 1 terminal block terminal no. Function 1 exc+ load cell excitation voltage (+) 2 sen+ sensing input (+) 3 sen- sensing input (-) 4 exc- load cell excitation voltage (-) 5 sig+ load cell input (+) 6 sig- load cell input (-) 7 shld shield load cell con...

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    Page 11 ad-4408a 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, secure the front...

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    Ad-4408a page 12 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 wet hand. Earth grou...

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    Page 13 ad-4408a 5.2. Load cell connection connect the load cell cable to the terminals as shown below. Use a 6-wire shielded cable to connect a load cell, especially when the cable is long or when summing multiple load cells, to avoid drift caused by changes in temperature. If the cable is short, a...

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    Ad-4408a page 14 5.3. Interface module installation install the interface module as follows: step 1 using a phillips screwdriver, loosen the screws that secure the blank panel to the ad-4408a rear panel, and remove the blank panel. Step 2 insert the interface module into the option slot as shown to ...

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    Page 15 ad-4408a 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. The zero adjustment range is set in calf05 (zero adjustment range) and is expressed in percent of the weighing capacity ...

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    Ad-4408a page 16 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 non-volatile memory and is maintained, even if the power is disconnected. Clearing the tare weight is performed using the f key assigned to cle...

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    Page 17 ad-4408a 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) 3: f key status (r...

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    Ad-4408a page 18 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 resets, when the power ...

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    Page 19 ad-4408a 7. Calibration 7.1. General description in the calibration mode, the operation to relate the output voltage from a load cell to the weight value and other operations directly related to weighing are performed. Calibration with an actual load calibration is performed using a calibrat...

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    Ad-4408a page 20 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 mode. Note: to avoid d...

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    Page 21 ad-4408a step 7 calend is displayed. To re-adjust the span, press the f key. Step 8 press the esc key. Cal5et is displayed and the calibration data is written into the fram. Step 9 the current state is the same as that of step 2. To go back to the weighing mode, press the esc key again. Note...

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    Ad-4408a page 22 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. Step 2 press the ente...

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    Page 23 ad-4408a function no. Parameter or setting range function description default value calf01 0 to 4 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: 10 1 12345.6 2: 10 2...

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    Ad-4408a page 24 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: second in 0.1 inc...

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    Page 25 ad-4408a 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 will not be performed....

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    Ad-4408a page 26 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 gross weight 3: gross weight 1 calf14 1 to 2 over at...

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    Page 27 ad-4408a 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 span accuracy approx. ...

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    Ad-4408a page 28 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. Description remedy c...

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    Page 29 ad-4408a 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.7 load cell output adjustment "c err 2" (when exceeding in the positive direction) "c err 3" when exceedi...

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    Ad-4408a page 30 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-4408a performance and all of the settings are stored in the fram. 8.1. Setting procedure step 1 while pr...

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    Page 31 ad-4408a step 6 press the esc key. The function number disappears and the indicator returns to the state of step 3. Press the esc key to store the setting values in the fram and go back to the weighing mode. Note: the blinking decimal point indicates that the current value is not the weight ...

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    Ad-4408a page 32 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 key switch function...

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    Page 33 ad-4408a 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 2: auto printing (n...

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    Ad-4408a page 34 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. The setting values ...

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    Page 35 ad-4408a 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 [55 53] unstable he...

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    Ad-4408a page 36 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 transmission is paused ...

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    Page 37 ad-4408a 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 c5 err program checksum error repair is required. Ad err data can not be acquired from the a/d converter. Repair is required. Ra err da...

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    Ad-4408a page 38 display checking item chckey key switches chc cl standard serial output chc ∗∗∗ chc ∗∗∗ chc ∗∗∗ interfaces refer to the instruction manual for each interface, available on our website. Chc r5 testing terminal chc ad a/d (load cell) chc in internal count chcpr9 program version chc 5n...

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    Page 39 ad-4408a 10.2.4. Checking interfaces refer to the instruction manual for each interface, available on our website. 10.2.5. Checking the testing terminal the chc r5 display is for checking the testing terminal. Do not use it. 10.2.6. Checking the a/d (load cell) with chc ad displayed, press t...

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    Ad-4408a page 40 10.2.11. Checking the fram checksum with c5 frap displayed, press the enter key to display the fram checksum. The memory set in the general functions is not counted. The example below is when the checksum is ef. 10.2.12. Checking the calibration-related functions with calfdtp displa...

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    Page 41 ad-4408a 10.3. Initialization mode initialization restores the contents of the fram to the default values. Three types of initialization are available as shown below. Initialization mode display description ram initialization ini ra initializes the contents of the ram only. The zero and tare...

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    Ad-4408a page 42 10.3.2. All data initialization step 1 remove the cal key cover 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 calibration with an actual load. To go ...

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    Page 43 ad-4408a 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 to 111111 disable ke...

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    Ad-4408a page 44 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: auto printing 3: m...

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    Page 45 ad-4408a 11.3. Calibration-related functions function no. Parameter or setting range description default value user setting calf01 0 to 4 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 calf03 1 to 6 mini...

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    Ad-4408a page 46 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 gross weight 3: gross weight 1 calf14 1 to 2 condition to judge over when the ...

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    Page 47 ad-4408a 12. External dimensions unit: mm fig.10 external dimensions 144 72 (134.7) (6) 10 99.5 16 (3.2) 138 +1 0 68 +0 .7 0 panel cutout dimensions net/b/g.

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    Ad-4408a page 48 memo.