西门子 SIPLUS 工业自动化
请以完整订货号确认产品配置、版本及配套要求。目录更新：2026-10-20。
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SIPLUS S7-300 SM321 8DI/120/230 -25...+70掳C with conformal coating based on 6ES7321-1FF10-0AA0 . Digital input isolated, 8 DI, 120 V/230 V AC, 1x 40-pole, with single rooting/channel
查看产品与订货咨询 →FA · SIPLUS 工业自动化SIPLUS S7-300 SM321 16DE/120/23 -40...+70掳C with conformal coating based on 6ES7321-1FH00-0AA0 . Digital input isolated 16 DI, 120/230 V AC, 1x 20-pole
查看产品与订货咨询 →FA · SIPLUS 工业自动化SIPLUS S7-300 SM 321 16DI 0-1 threshold at approx. 11.2 V with conformal coating based on 6ES7321-7BH01-0AB0 . Digital "input SM 321, isolated, ""16 DI;" "24 V DC, 1x 20-pole,"" process" interrupt, diagnostics, suitable for isochronous mode operation
查看产品与订货咨询 →FA · SIPLUS 工业自动化SIPLUS S7-300 SM 321 4DI NAMUR for medial exposure with conformal coating based on 6ES7321-7RD00-0AB0 . Digital "input Isolated ""4 DI; 24 V DC," NAMUR/DIN 19234, for signals from the hazardous area, diagnostics-capable, PTB tested
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