ABB TPPB-02 3HNA023200-00101 Logic card

With the power off, check for grounds by measuring the resistance between each terminal and the grounding bolt located below terminal 9. Terminals 1 and 2 are power-input terminals. Either of these terminals may be grounded in accordance with local codes or through other equipment powered from the same supply. If either is grounded, a high resistance to ground will be evident at terminals 1 through 5 on low voltage models and terminals 1 through 4 on high voltage models. grounds present on these terminals will not normally affect operation, unless they interfere with the input power or switching logic. Grounds on terminals 7 through 17, detected by readings other than infinity, should be located and removed.

Initial Pre-Start Settings 

Overspeed with resultant equipment damage, personal injury, or death is possible when setting up a control system. Read this entire procedure before starting the prime mover for the first time. The Rated Speed potentiometer is the only multi-turn pot in this control. All other pots are single-turn. Take care not to turn these pots beyond their stops. 1. RATED SPEED a. Set the RATED SPEED potentiometer to minimum (fully counterclockwise on ten-turn potentiometer). b. Set the external SPEED TRIM, if used, to mid-position. 2. RESET—Set at mid-position. (One-turn potentiometer) 3. GAIN—Set at mid-position. (One-turn potentiometer) 4. RAMP TIME—Set at minimum (fully ccw, one-turn potentiometer—be careful not to overtorque the pot).

Start-up Adjustments

1.Complete the installation checkout procedure in Chapter 2, and the initial prestart settings above

2. Close the Close for Rated contact. If the external droop feature is being used it should already be set at isochronous, fully ccw (be careful not to overtorque the pot). This is for initial prime mover start-up only. For normal start-up, the Close for Rated contact should be open if the prime mover is to start at idle.

 3. Apply input power to the control. 

4. Preset rated speed. If a signal generator is not used, set the RATED SPEED potentiometer at minimum (fully counterclockwise).

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