Mô đun dùng cho khu vực phòng chống cháy nổ

Tên gọi	Mã hàng	Mô tả
Digital input SM 321, hazardous area	6ES7321-7RD00-0AB0	SIMATIC S7, digital input SM 321, isolated, 4 DI; 24 V DC, NAMUR/DIN 19234, for signals from the hazardous area, diagnostics-capable, PTB tested
Digital output SM 322, 4 DO, 15 V / 20 mA, hazardous area	6ES7322-5SD00-0AB0	SIMATIC S7, digital output SM 322, isolated, 4 DO, 24 V DC, 10 mA, 1 x 20-pole, for signals from the hazardous area, diagnostics-capable, PTB tested
Digital output SM 322, 4 DO, 24 V DC, 10 mA, hazardous area	6ES7322-5RD00-0AB0	SIMATIC S7, digital output SM 322, isolated, 4 DO, 15 V / 20 mA 1 x 20-pole, for signals from the hazardous area, diagnostics-capable, PTB tested
Analog input SM 331, isolated, 8 AI thermocouples/4 AI Pt100, hazardous area	6ES7331-7SF00-0AB0	SIMATIC S7, analog input SM 331, isolated, 8 AI thermocouples/4 AI Pt100, for signals from the hazardous area, diagnostics-capable, PTB tested 1 x 20-pole
Analog input SM 331, 4 AE; 0/4 to 20 mA,hazardous area	6ES7331-7RD00-0AB0	SIMATIC S7, analog input SM 331, isolated, 4 AE; 0/4 to 20 mA, 1 x 20-pole, for signals from the hazardous area, diagnostics-capable, PTB tested
Analog output SM 332, isolated, 4 AA; 0/4 to 20 mA, hazardous area,	6ES7332-5RD00-0AB0	SIMATIC S7, analog output SM 332, isolated, 4 AA; 0/4 to 20 mA, 20-pole, for signals from the hazardous area, diagnostics-capable, PTB tested