2-8
Pre-Installation Planning
514C Product Manual
FUNCTIONAL DIFFERENCES 514C - 540
Feature
540 Series
514C
Overload
Inverse Time reduced Current
Limit.
Stall Detection & Timed Inhibit.
Overload
200% for 10 seconds.
150% for 60 seconds.
Overcurrent
-
300% Instantaneous Trip.
Ramp
0.1 to 2 secs or 1 to 20 secs.
1 to 40 seconds.
Ramp Reset
Internal & External.
Internal.
Speed Setpoint
Inputs
Ramp, Input No 1, Input No 2
and Inverted Input No 3.
Ramp, Positive Trim & Negative Trim
Input.
Auxiliary Current
Clamp Positive
Auxiliary Current Limit of Positive
Demand.
Not Provided.
Auxiliary Current
Clamp Negative
Auxiliary Current Limit of
Negative Demand.
Not Provided.
Current Demand
Output
Speed Loop Current Demand
Output.
Current Demand O/P or Ext. Current
Demand I/P.
Current Demand
Isolate
Isolates Speed Loop Current
Demand from Current Path.
DIL Switch Selectable.
External Current
Demand I/P
Additional Current Demand.
Current Demand O/P or Ext. Current
Demand I/P.
Current Demand
Connect
Enable Input of External Current
Demand.
Not Provided.
Armature Current
Output
External IR Compensation via
Armature Current Output.
Internally provided.
Auxiliary Enable External Trip / Enable.
Not Provided.
Ready
Drive Ready Output.
Not Provided.
Stop Input
Maintain for Momentary Start.
Not Provided.
Field Fail
Field Current detector.
Not Provided.
Stack Fuses
Semiconductor Fusing.
Not Provided.
Relays
Output Sink unprotected.
Output Source Short Circuit Protected.
EMC
Complies with EMC Directive.
LVD
Complies with Low Voltage Directive.
WARNING
THE 514C IS NOT A DIRECT REPLACEMENT FOR THE 540/1. IT IS
FUNCTIONALLY EQUIVALENT.
NOTE WHEN A 514C IS USED TO REPLACE A 540 WITH THE HEALTH AND/OR ZERO
SPEED RELAYS UTILISED, THE RELAYS MUST BE RECONNECTED BETWEEN
OUTPUT AND SIGNAL COMMON NOT +24V.
