Smart Socket by PDM Systems is an inexpensive easy to use, DIN rail mountable, programmable relay socket.  With the free SmartSocket computer program, any of 19 control functions may be selected for instant use with a standard 8 pin octal relay (not included).  These include:
bullet On Delay
bullet Interval On
bullet Delayed Interval
bullet Retentive On Delay
bullet Watchdog Mode
bullet Count up with Time Off
bullet Exclusive Or
bullet AND
bullet NOT
bullet Off Delay
bullet Momentary Interval (One Shot)
bullet Repeat Cycle
bullet On & Off Display
bullet Count up with Reset
bullet Flip-Flop (On/Off)
bullet Dual Input Set_Reset
bullet NAND
bullet NOR
bullet OR
Advantages include:
bullet Avoid Lead-times associated with ordering function modules
bullet Flexibility to reuse for different applications
bullet Allows easy field trials and design refinements
bullet Isolated inputs allow direct connection to sensors
bullet Fast response (.0002 sec) 24 VDC unit allows off-delay  to function as high speed "event catcher"
bullet Custom control sequences are available for OEM applications
bullet Click here to order
Patent is Pending approval by USPTO