SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED 32DI, 24 V DC, 1 X 40 PIN Net Weight (lb) 0,664 lb Packaging Dimension 5,157 x 5,748 x 2,008 Package size unit of measure in Quantity Unit 1 Piece Packaging Quantity 1 Tags: 6ES7321-1BL00-0AA0, 6ES73211BL000AA0, SIEMENS PLC, SIEMENS S7-300, simatic plc, SIMATIC S7-300 SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED 32DI, 24 V DC, 1 X 40 PIN Net Weight (lb) 0,664 lb Packaging Dimension 5,157 x 5,748 x 2,008 Package size unit of measure in Quantity Unit 1 Piece Packaging Quantity 1 Tags: 6ES7321-1BL00-0AA0, 6ES73211BL000AA0, SIEMENS PLC, SIEMENS S7-300, simatic plc, SIMATIC S7-300