Table of Contents
Related Manuals for Toyo LA-1041
Summary of Contents for Toyo LA-1041
- Page 1 LOAD CELL AMPLIFIER BOARD MODEL ＬＡ－１０４１ OPERATION MANUAL TOYO SOKKI CO.,LTD. Head office: 964-24 Nippa-chou, Kouhoku-ku, Y o k o h a m a , 2 2 3 - 0 05 7 Ja p a n ＴＥＬ +81-45-540-8353 ＦＡＸ +81-45-544-8354...
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Page 2: Table Of Contents
－－ Table of contents －－ Page §１ ． Su m m a r y ..................3 §２... -
Page 3: １．Summary
§１．Summary This unit is a built-in board which amplifies a signal from a strain gauge transducer and can output voltage signal 0～±5V ( maximum ±10V at specified condition). This unit is consisted of input signal part, amplification part and power supply part for transducers. -
Page 4: ３．Operation
§３．Operation This unit outputs up to ±5V. (Max.±10V depending on intensity of input signal from a sensor) Recommend to use lead-free (Pb-free) solder because this unit is lead-free. ３－１） Soldering jumper for setting excitation voltage to Load Cell, JP2,3 Excitation voltage is 5V as standard, but 2.5V is available when soldering jumpe r JP2,3. When 2.5V is set, amplification range should not be changed, but output voltage becomes unstable slightly. -
Page 5: ３－４） Zero Adjustment Trimmer
３－４） ZERO adjustment trimmer Unbalanced voltage of Load Cell or an equivalent voltage of Tare amount can be canceled to zero by adjusting ZERO trimmer (14 rotation). If the output voltage cannot be adjusted to be zero, additional resistor, RT or RZ is required to mount. -
Page 6: ４．Calibration
Two is that set the desired output voltage when an object is loaded , which is operated by actual load calibration using a reference weight as an actual load. When this unit and Load Cell are c ombined to ship from TOYO, c alibration has been done at our factory. -
Page 7: ５－３） Judgement Whether This Unit Is Malfunction
Signal from Load Cell, 0.3 to 2.2mV/V is required to output 0 to 5V. Output 10V is possible when a signal from Load Cell is more than 0.6mV/V 3). Output voltage is out of range of ±5V even though it is not overloaded. ①... -
Page 8: ６．Installation And Connection Method
§６．Installation and connection method ６－１） Installation environment, etc. The operating temperature range of this board is 0 ℃ to 40℃. Consider installing in a place not exposed to the direct sunlight. This board is operated with power supplied voltage DC24V±10%. Note that connecting to a different voltage may cause failure or damage. -
Page 9: Ow To Connect Wires Of Cable Directly
６－３） How to connect wires of cable directly Load Cell Solder here Ｖ DC24 Backside of a board Wiring as short Shield of this cable should be as possible grounded at connected unit side MA4-00296-R0 - 9 -... -
Page 10: ７ ． S Pe C If Ic A T I O N
2). Cable with connector for connecting Load Cell 1 pc 3). Operation Manual 1 copy ７－５） Warranty This board is covered by one year warranty against TOYO’s manufacturing or design fault. (The board is taken over and repaired) MA4-00296-R0 - 10 -... -
Page 11: ８ ． D Im E N Si O N A L Dr A W In
§８．Dimensional Drawing Span adjustment trimmer Zero adjustment trimmer Connector of power line and voltage output line Connector of Load Cell line Parts mounting area Recommend to use a shielded cable PH connector when extending (2mm pitch) XA connector (2.5mm pitch) Cable with connector S o l d e r p a d Board of converting...
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