Saf OPAL SS6 User Manual download pdf (Page 33)

OPAL SS6 Reduced Voltage Starters

Page 26

5.5.2 LINK SELECTION

LINK NAME DESCRIPTION

JP1

AUX Reference from auxiliary input

INT Internal reference from ramp generator

JP2

PULSE Feedback from magnetic pick-up input on J1

TACH Feedback from tachometer input on J2

5.5.3 TERMINALS

TERMINAL

NO. NAME DESCRIPTION

PULSE

FEEDBACK

Connection point for pulse pick up feedback

2 COMMON

Common point for pulse pick up feedback

and auxiliary reference

3 AUX REF

Input for auxiliary reference when JP1 is at AUX

Range is 0 - 15V maximum

4 NO Normally open starter status contact

5 NC Normally closed starter status contact

6 COM

Common of ramp status form C contacts

Energized when unit started and de-energized when

ramp reference or auxiliary input reaches 0V

TACH

FEEDBACK

Input for tachometer feedback

Scaled by resistor at J3

J3 CAL R

Scaling resistor for tach feedback

Resistor should be 1 Watt or greater

CAL R = (max. tach volts -13.4) ÷ 12 in kilo-ohms

5.5.4 START-UP

5.5.4.1 STEP (RV2) should be set at 0 and the RATE jumper (JP3) must be OFF or

removed on the CA392 control card. Ensure SW2 is in correct position.

5.5.4.2 Set JP1 and JP2 on CA385 at settings for your application. If tach feedback is being

used, install resistor as per above procedure in TERMINALS.

5.5.4.3 Set all pots to 50%.

5.5.4.4 Start unit and adjust speed feedback according to the procedure in the table

POTENTIOMETERS, RV2 description when at full speed. If accel or decel is too

slow adjust appropriate pot. If motor does not seem to get up to full speed, reduce

the level at TP1 by turning RV2 clock-wise.

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Saf OPAL SS6 User Manual Page 33

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