4.1 Unit Allocation4.1.1 Confirmation of I/O Allocation InformationInput and output relays are allocated. Input relaysI/O number Name DescriptionCH0 CH1 CH2 CH3WX0X0WX2X20WX4X40WX6X60 Operation ready done Flag to indicate the counter operation is ready.X1 X21 X41 X61 Counter enable Flag to indicate the counter operation is enabled.X2 X22 X42 X62 Count directionFlag to indicate a count direction.ON: Forward (Addition) OFF: Reverse(Subtraction)X3 X23 X43 X63 ― ―X4 X24 X44 X64 Capture 0 done flag Flag to announce that the count value is stored incapture 0 register.X5 X25 X45 X65 Capture 1 done flag Flag to announce that the count value is stored incapture 1 register.X6 X26 X46 X66 External output 0 signalmonitorMonitors the output state of external output 0signal.X7 X27 X47 X67 External output 1 signalmonitorMonitors the output state of external output 1signal.X8 X28 X48 X68 Input A signal monitor Monitors the input state of input A signal.X9 X29 X49 X69 Input B signal monitor Monitors the input state of input B signal.XA X2A X4A X6A Input Z signal monitor Monitors the input state of input Z signal.XB X2B X4B X6B Control 0 signal monitor Monitors the output state of control 0 signal.XC X2C X4C X6C Control 1 signal monitor Monitors the output state of control 1 signal.XD X2D X4D X6D Overflow annunciation Flag to announce the occurrence of overflow orunderflow (Enabled for the linear counter only.)XE X2E X4E X6E Underflow annunciationXF X2F X4F X6F Error annunciation Flag to announce the occurrence of an error.WX1X10~X19WX3X30~X39WX5X50~X59WX7X70~X79Comparison match 0 flag~Comparison match 9 flagFlag to reflect the results of the band comparisonfunction or target value match function.X1A~X1FX3A~X3FX5A~X5FX7A~X7FComparison match A flag~Comparison match F flag(Note 1): The I/O numbers actually allocated are the numbers based on the starting word number allocated to the unit.Example) When the starting word number for the unit is "10", the operation ready done flag for CH0 is X100.Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
