GE Fanuc WESDAC D20S Reference Scan Analog ScanSpecifications Processor: 8 bit Freescale 68HC11 MPU Clock: 2 MHz MPU clock Memory: 32 KB EPROM 24 KB static RAM 512 bytes EEPROM Inputs: 64 bipolar inputs in 8 groups of 8 Point Types: Status alarm with COS detection SOE (Sequence of Events) Form A or Form C pulse accumulator (16 bit binary counter) Binary coded decimal Pulse duration Current Burden: 3 to 6 mA per input Scan Rate: 1. 0 ms Debounce: Selectable 0 to 255 ms SOE Time Resolution: 1. 0 ms