Siemens Digital I/O Module for use with SIMATIC S7-400, SIMATIC S7-400 Series, S7-400
■ 제품사양
Accessory 타입 = Digital I/O Module For Use With = SIMATIC S7-400 시리즈 = SIMATIC S7-400 시리즈 Range = S7-400 The Siemens SIMATIC S7-400 series digital input SM 421 has 32 digital input. It has 24VDC input voltage and 20mA current.Number of digital input 32 Input current 20mA Power loss 6W