3. ADJUSTMENTS
3-76
R17
R22
R21
R20
R18
R19
SYNCHRO 90-135VAC STEPPER 20-48VDC
R17 2K2 22 ohms (1W)
R18 10K 2K7 (1W)
R19 10K 2K7 (1W)
R20 10K 2K7 (1W)
CONNECTION-B
Factory default is SYNCHRO 90-135 VAC. If you have a STEPPER 20-48 VDC, you need
to replace resistors R17, R18, R19 and R20 with values given in the figure above.
Connector J38 pin Stepper Synchro
S0 Common Not used
S1 Phase 1 Phase 1
S2 Phase 2 Phase 2
S3 Phase 3 Phase 3
R1H Not used lf peak voltage is more than 60V.
R1L Not used If peak voltage is less than 60V.
R2 Not used Common
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