
Sigma Technologies Operation Manual 
Page 2 of 3 
B. Running STPS 3000 
 
1. To run or operate the STPS 3000 the program LED should be off and the 
 programming completed as explained in Page 1. 
 
2. Use the remote START input or the Start key on the front panel to start operation. 
 
3. Press Reset anytime to halt and stop operation all the Relay outputs will be off 
 in reset position (the Common of relay and the NC position will be linked). 
 
C. Mode of Operation 
 
1. Once the START Local or Remote is pressed the STPS 3000 is Initialized and 
 Timer 1Time in Seconds Countdown is Started and simultaneously Relay of 
 Timer 1 turns ON. 
 
2. After time of Timer 1 elapses Timer 2 (Relay 2) turns on and Timer 2 Time is 
 Loaded and Countdown starts again. 
 
3. After Timer 2 time elapses Timer 3 (Relay 3 ) turns on and timer 3 time is Loaded 
 and fresh countdown starts. 
 
4. After Timer 3 time elapses Timer 3E relay turns on indicating end of all timers. 
 
5. When Relays 1, 2 and 3 operate the indication of timer LEDs in Green is Present. 
 
6. During the Timing period if the CCS goes Beyond ther CCS set point the Timers 
 stop and Fail Relay turns on. 
 
7. If During the Entire Timing Period if the CCS value is within set limit the Pass Relay 
 Comes on at the end . 
 
8. When timer Halts the CCS value is latched to Display and Hold LED comes on. 
 
9. The Display latches even if the Process value exceeds the set CCS.