1766-RM001A-EN-P MicroLogix 1400 Programmable Controllers ...

18 I/O ConfigurationMicroLogix 1400Expansion I/O MemoryMappingDiscrete I/O Configuration1762-IA8 ,1762-IQ8, and 1762-IQ8OW6 Input ImageFor each input module, the input data file contains the current state of thefield input points. Bit positions 0…7 correspond to input terminals 0…7.Bit Position15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 00 x x x x x x x x r r r r r r r rWordr = read only, x = not used, always at a 0 or OFF state1762-IQ16 Input ImageFor each input module, the input data file contains the current state of thefield input points. Bit positions 0…15 correspond to input terminals0…15.WordBit Position15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 00 r r r r r r r r r r r r r r r rr = read only1762-OX6I and 1762-IQ8OW6 Output ImageFor each output module, the output data file contains thecontroller-directed state of the discrete output points. Bit positions 0…5correspond to output terminals 0…5.WordBit Position15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 00 0 0 0 0 0 0 0 0 0 0 r/w r/w r/w r/w r/w r/wr/w = read and write, 0 = always at a 0 or OFF state1762-OA8, 1762-OB8, and 1762-OW8 Output ImageFor each output module, the output data file contains thecontroller-directed state of the discrete output points. Bit positions 0…7correspond to output terminals 0…7.Publication 1766-RM001A-EN-P - October 2008