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B.2
User Adjustments
All adjustments are on the personality board
Offset null
Ø
Full scale speed
Ø
Response
Ø
Acc/Dec
Ø
Gain
Ø
B.3
Diagnostic Annunciation
N.O. relay contact output for drive O.K. monitoring
Ø
Green LED for drive O.K. monitoring
Ø
Red LED for resolver fault monitoring
Ø
Red LED for heatsink over temperature
Ø
Red LED for motor over temperature
Ø
Red LED illuminates when Ixt current limiting is active
Ø
Yellow LED illuminates when shunt circuit activates
Ø
B.4
Functions Enabled via Dip Switches
Nominal current limiting
Ø
Motor poles selection
Ø
Speed scale selection
Ø
1
Limit switch enabling and polarity 1
Ø
1
Simulated encoder resolution
Ø
B.5
Protection and Diagnostics
Resolver fault
Ø
Current limiting to protect motor
Ø
Drive O.K indication (LED and contact)
Ø
Output short circuit
Ø
Over temperature
Ø
2
Under voltage 2
Ø
Over voltage
Ø
The shunt circuit is automatically disabled when the input line power is lost while the DC
bus voltage not zero.
B.6
Personality Board Options
The standard LX amplifier contains the personality board with all options which include
the encoder and pulse / direction outputs along with the limit switch inputs. A reduced
cost version of the LX is available in quantity purchases which does not include these
connections or features.
1
These are available as 'delete options' at a reduced cost.
2
When under voltage is tripped, the optional external logic supply is automatically invoked. See
Chapter 6.
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Phase to phase or Grnd)
95 °C on the heatsink
135 Vdc on the DC bus
416 Vdc on the DC bus
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