I/O Discrete (Module K7)68C3 Operations Manual North Atlantic Industries, Inc. 12/19/2014Rev: 2014-12-19-0947 www.naii.com Page 190 of 330Input SignalCONTACT SENSE VOLTAGE SENSEInput SignalUpper ThresholdDebounce Time Debounce TimeOutput OutputREGISTER D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION~656 ~328 ~164 82 40.96 20.48 10.24 5.12 2.56 1.28 0.64 0.32 0.16 0.08 0.04 0.020Approximate value in mS(LSB~20.48 μS)DE-BOUNCE TIME D D D D D D D D D D D D D D D D D=DATA BITRead I/OIndependent of channel configuration (Voltage input or switch closure), read logic state High (“1”) or Low (“0”) asdefined by channel threshold values. Each bit of 16-bit binary word corresponds to one of 16 channels.REGISTER D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 ChannelREAD I/O D D D D D D D D D D D D D D D D D=DATA BITRead Output Voltage (Actual)Read actual output voltage at I/O pin per individual channel. Value is a signed binary 10 bit word, where LSB =163mV. Data is read as 2’s complement number. For example, if output voltage word is 0x00F0 (240d), actualvoltage is 39.12V. For negative voltage, 0x2F0 (-14d), actual voltage -2.283V2F0 = {1, 0F0}0F0 (2s complement) =0X000E (14d)REGISTER D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 FUNCTIONOutput Voltage (signed) 0 0 0 0 0 0 D D D D D D D D D D D=DATA BITRead Output Voltage (Averaged)Read the averaged RMS value of the output voltage at I/O pin per individual channel. The Value is an unsignedbinary 10 bit word, where LSB=163mV. For example, if output voltage word is 0x00F0 (240d), actual voltage is39.12V.REGISTER D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION83.456 41.728 20.864 10.432 5.216 2.608 1.304 .652 .326 .163 Value in VrmsOutput Voltage(averaged) 0 0 0 0 0 0 D D D D D D D D D D D=DATA BITRead Switch Current (Actual)Read actual current through the I/O pins at each channel. Value is signed binary 10 bit word, where LSB=3mA.Read as 2’s complement; Current source is positive, Current sink is negative. For example, if output voltage wordis 0x0064 (100d), actual current is (current source) 300mA. For negative (current sink), (-) 300mA would read as0x39C (-100d)39C = {1, 19C}19C (2s complement) =0X0064 (100d)REGISTER D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 FUNCTIONSwitch Current (signed) 0 0 0 0 0 0 D D D D D D D D D D D=DATA BIT
