Replacement of 512 with 512C 9-1
512C Series Converter
REPLACEMENT OF 512 WITH 512C
512C/512 Terminal Differences
TERMINAL 512C 512 COMMENTS
T1 Tacho Feedback Tacho Feedback
T2 Not Connected Not Connected
T3 Speed Meter Output Speed Meter Output
T4 Minimum Speed Minimum Speed
T5 Run Run Active High on 512C
T6 Current Meter Output Current Meter Output
T7 Torque/Current Limit Torque/Current Limit
T8 0V Common 0V Common
T9 Setpoint Ramp O/P Setpoint Ramp O/P
T10 Aux. Speed Setpoint Aux. Speed Setpoint Rescaled to be Normalised to
Setpoint Ramp I/P.
T11 0V Common 0V Common
T12 Total Setpoint O/P +12V Undesirable to Provide access to
PS Rails.
Total Setpoint Output is a useful
alternative.
T13 Setpoint Ramp I/P Setpoint Ramp I/P
T14 +10V Reference +10V Reference
T15 Stall Reset. Stall Reset Signal Level Revised.
T16 -10V Reference. -12V Undesirable to provide access
to PS Rails.
-10V Reference useful
alternative.
T17 Not Connected. * Not Connected
T18 Not Connected. * Health Relay. N/C Relay removed.
T19 Health Output Health Relay. Co Relay Removed.
Transistor O/P.
T20 Not Connected* Health Relay. N/O Relay removed.
T21 Not Connected* Not Connected
T22 Not Connected* Zero Speed Relay. N/C Relay removed.
T23
Zero Speed Output /
Zero Setpoint Output
Zero Speed Relay. Co Relay Removed.
Transistor O/P.
T24 Not Connected* Zero Speed Relay. N/O Relay removed.
* Relays must be provided externally.
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