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FLEX-ANALOG THROTTLE
If an analog signal is available from a PLC output or other device, it can be used to control the engine
speed. A Flex Analog channel must be configured to accept the 4-20mA or 0-5 VDC signal and the
throttle type assigned to Flex-Analog. A linear relationship will be created between the minimum and
maximum programmed speeds and the range of the analog signal.
MODBUS THROTTLE
Engine speed can be requested through the modules RS485 MODBUS interface. Contact Controls, Inc.
for a complete register map. The example for speed control is below. Use of 40004 or 40051 is
acceptable.
SPEED / TORQUE LIMIT
If another throttle device (not the display) is being used for speed control, the module can provide a
PGN for Speed and/or Torque Limit. The limits will be based on the programmed Speed Limit and
Torque Derate Limit found under the Throttle Configuration menu.
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