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3G5A2-RPT01-PE 데이터시트(PDF) 130 Page - Omron Electronics LLC |
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3G5A2-RPT01-PE 데이터시트(HTML) 130 Page - Omron Electronics LLC |
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130 / 182 page ![]() Appendix B Specifications 117 Connection Example 2 (Digital Switches) This example shows how the ID212 DC Input Unit can be wired using digital switches. Just as the keys on the keyboard can turn ON different combinations of bits, the digital switches can control different combinations of bits. For example, the combination of inputs on switch no. 1 and input point 00 turn ON bit 00 of word n. (For the sake of simplicity, the figure below shows the digital switches wired to control 32 bits instead of 64 bits as was shown in Example 1.) Wire STB 4, STB 5, STB 6, and STB 7 to access an additional 32 bits. + 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 24 VDC DATA 0 DATA 1 DATA 2 DATA 3 DATA 4 DATA 5 DATA 6 DATA 7 COM (+24) STB 0 STB 1 STB 2 STB 3 STB 4 STB 5 STB 6 STB 7 COM (0 V) +24 VDC NC - + - + - + - + - + - + - + - + 8765 432 1 D C B A COM Switch no. 8765 432 1 The following table shows the combinations enabled by wiring digital switches as shown. Terminal Number 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Word n Switch no. 4 Switch no. 3 Switch no. 2 Switch no. 1 0 1 0 0 0 0 1 1 0 0 1 1 0 0 0 1 STB 1 STB 0 Word n + 1 Switch no. 8 Switch no. 7 Switch no. 6 Switch no. 5 1 0 0 0 0 1 1 1 0 1 1 0 0 1 0 1 STB 3 STB 2 These pulses are input to bits 0 through 7 of word n. 32 ms 4 ms Data 0 through 7 STB 0 STB 1 STB 2 STB 3 STB 4 STB 5 STB 6 STB 7 Timing |
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