| Power supply: 9~24VDC |
| Signal input: 0-40mv |
| Signal output: mv,0-5vdc, 0-10vdc, 4-20mA |
| Channel quantity: 1/2/4/6/8 PORT |
| Load range: 350OHM, 700OHM, 1000OHM. |
| House material: stainless steel, housing, aluminum housing, Plastic housing |
| 1) Function |
| It allows indicator to connect with several load cells by outputting signal to indicator. |
| 4-wire, 6-wire,8-wire can receive the signals from 4 load cells, 6 load cells, 8 load |
| cells correspondingly. |
| The potentiometer inside the junction box can adjust the excitation of the load cell |
| thus can make each load cell output the same signal. |
| Load cell 350 ohm as example: serial mode about 5%; parallel mode about 3% |
| Load cell 700 ohm as example: serial mode about 3%; parallel mode about 2% |
| - Customized for 10 wire |
| 2) Connection method |
| A. The “OUT” connection point is the output which send signal to the indicator. |
| Connection point “A/B/C/D/E/F/G/H” is the input which receive signal from the |
| load cell.(The input quantity varieties according to the quantity of the load cell it |
| can connect). For example, if the junction box is 6-wire, the connection point is |
| “A/B/C/D/E/F”. |
| B. Below each connection point, there is mark for connection. From left to right, the |
| mark is “E+”,“E-”, “≡”,“IN+”,“IN-”, the detail information for each mark is as |
| following: |
| “E+”: + excitation for load cell; |
| “E-”: - excitation for load cell; |
| “≡”:Shielded cable; |
| “IN+”:+ signal from load cell; |
| “IN-”: - signal from load cell; |
| 3) Adjust method |
| A. Adjust the junction box when there is no power supply. The resistance of each |
| potentiometer should be adjusted to 10 om. (Contrarotate the potentiometer, |
| the resistance will be smaller while turn the potentiometer clockwise, the |
| resistance will be bigger).To get the resistance of each potentiometer, for |
| example A point, then put one end of the multimeter at “E+” of “OUT” |
| connection point, the other end at “E+” of “A”, you can get resistance of “A+” |
| potentiometer; if put one end of the multimeter at “E-” of “OUT” connection |
| point, the other end at “E-” of “A”, you can get resistance of “A-” potentiometer; |
| B. Turn on the power of the indicator, calibrate by enlarging 10 times( for example, |
| the actual weight is 10KG, then calibrate to 100KG). If the indicator has inner |
| code display, then calibrate to the actual weight, then go to the inner code display. |
| C. Put the weight with 1/3 value of the full range at each location of the load cell, |
| record the display of the indicator. Adjust the potentiometer inside the junction |
| box until the display difference of each load cell is less than 0.2E, please adjust as following: |
| If the display of one load cell is too big, turn the two potentiometers of this load cell |
| clockwise; if the display is too small, contrarotate of the two potentiometers of this |
| load cell. Attention: The two potentiometers should have the same increase or decrease. |
| For example, now the connection point is A, then after adjust the voltage, you can |
| test the voltage at A+ and A-.Just put one end of the multimeter at “E+” of “OUT” |
| connection point, the other end at “E+” of “A”, you can get voltage of “A+” |
| potentiometer; put one end of the multimeter at “E-” of “OUT” connection point, the |
| other end at “E-” of “A”, you can get voltage of “A-” potentiometer; |
| D. After adjust, then calibrate again. |
Main Products: pressure sensor ,temperature sensor ,load cells ,pressure controller ,weight indicator
Business Type: Manufacturer,Trading Company
Shenzhen Guangdong China
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