S7-200 PLC Communication ModuleBrand Name: Siemens Model: 6ES7277-0AA22-OXA0Power Supply: 24V DC Digital Input: 08 (24V DC) Digital Output: 04 (Relay)Origin: GermanyCondition: NewWarranty: 01 yearsProgramming Software:Microwin SoftwareProgramming Cable: PPIUser Manual: Link...