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SS22SDP2 数据表(PDF) 5 Page - Texas Instruments |
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SS22SDP2 数据表(HTML) 5 Page - Texas Instruments |
5 / 31 page EXC - SNS - SNS+ SIG+ SIG - EXC+ OUT+ EXC - SENSE - OUT - SENSE+ EXC+ OUT+ EXC - OUT - EXC+ 1 2 3 4 5 6 OUT - EXC+ OUT+ EXC - SENSE+ SENSE - 1 2 3 4 5 6 www.ti.com Getting Started 1.4.2 Connecting a 6-Wire Load Cell to the Terminal Block Figure 3 shows the connection of a 6-wire load cell to the terminal block. In this configuration, the load cell is excited by the +5V power supply, and the ADC ’s reference is taken from the sense wire returning from the load cell. The sense wire connects to the excitation wire at the bridge sensor. Figure 3. 6-Wire Load Cell to Terminal Block 1.4.3 Connecting a 4-Wire Load Cell to the Header Figure 4 shows the connection of a 4-wire load cell to the header. In this configuration, the load cell is excited by the +5V power supply, and the ADC reference is taken from the power supply. Figure 4. 4-Wire Load Cell to Header For this configuration, the reference select switch must be in the +5VA position; the EXT position does not work. 1.4.4 Connecting a 6-Wire Load Cell to the Header Figure 5 shows the connection of a 6-wire load cell to the header. In this configuration, the load cell is excited by the +5V power supply, and the ADC reference is taken from the sense wire returning from the load cell. The sense wire connects to the excitation wire at the bridge sensor. Figure 5. 6-Wire Load Cell to Header For this configuration, the reference select switch should be in the EXT position for best performance. The +5V position also works, but the device may not perform as well. 5 SBAU175A – July 2010 – Revised August 2011 ADS1131REF and ADS1231REF Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated |
类似零件编号 - SS22SDP2 |
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类似说明 - SS22SDP2 |
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