Description6ES7231-7PB22-0XA8 model Siemens PLC S7-200 CN analog input EM 231, only for S7-22X CPU, 2 AI, Pt100/200/500/1000/10000, NI100/120/1000, CU10, Resistance 150/300/600 ohm, 15 bit sign this S7-200 CN product only has CE approval country origin China.Product Name: Siemens s7-200 PLC 6ES7231-7PB22-0XA8Brand Name: Siemens Model: 6ES7231-7PB22-0XA8CPU224XP AC/DC/RelayPower Supply: 24V DCDigital Input:14Digital Output: 10 (Transistor)Origin: ChinaCondition: NewWarranty: 01 yearsProgramming Software: MICROWINProgramming Cable: PPI(Point to Point interface)User Manual: Link...