A comparator for comparing the logic signal with {HEAD ~ pre set limit value} is associated with {TAIL ~ the logic element} 
A comparator for comparing the logic signal with { HEAD ~ pre set limit value } is associated with { TAIL ~ the logic element }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL