Operating the Converter 4-2
512C Series Converter
Setting-Up & Commissioning
Option Switches
Speed Feedback Scaling
SW1 SW2 FEEDBACK VOLTAGE
OFF ON 10 - 25V USE P7 TO TRIM
ON ON 25 - 75V MAXIMUM SPEED
OFF OFF 75 - 125V TO REQUIRED
ON OFF 125 - 325V VALUE
Table 4.1 Full speed tachogenerator/armature feedback voltage.
Example:
(a) Customer wishes to run motor at 1500rpm with a 60V/1000rpm tachogenerator.
Feedback voltage = 90V
From Table 4.1 set SW1 OFF SW2 OFF adjust P7 to give desired speed.
(b) Customer wishes to run motor at 2000rpm with 320V armature.
Feedback voltage = 320V
From Table 4.1 set SW1 ON SW2 OFF adjust P7 to give desired speed.
Note: It is necessary to set these switches for both tachogenerator and armature voltage
feedback.
Speed Feedback Source
SW3 (OFF) Tachogenerator Controller uses Tachogenerator Feedback
for Speed Control.
SW3 (ON) Armature Voltage Controller uses Armature Voltage
Feedback for Speed Control.
Zero Output Source
SW4 (OFF) Zero Output Zero Setpoint Output
SW4 (ON) Zero Output Zero Speed Output
Current Scaling
FULL LOAD CURRENT CONTROLLER OPTION
SW5 SW6 SW7 04 08 16 32
OFF OFF OFF ½A 1A * 2A * 4A *
ON OFF OFF 1A 2A * 4A * 8A *
OFF ON OFF 1½A 3A * 6A * 12A *
ON ON OFF 2A 4A * 8A * 16A *
OFF OFF ON 2½A 5A 10A 20A
ON OFF ON 3A 6A 12A 24A
OFF ON ON 3½A 7A 14A 28A
ON ON ON 4A 8A 16A 32A
Table 4.2 Current Calibration ( * see note on next page )
Example: Customer wishes to run 14 Amp Motor.
Option 1 Using 512/16 - From table 4.2 set SW7 ON, SW6 ON, SW5 OFF Ia = 14 Amp
Option 2 Using 512/32 From table 4.2 set SW7 OFF, SW6 ON, SW5 ON - Ical = 16 Amp
Turn down I Limit (P4) to give 14 Amps
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