Powerlink IO module object for frequency converter ABB ACS880.
 This IO module are the receive and transmit areas for the powerlink
 communication. See class ABB_ACS880_Epl for more information.

 Connect the object to an object of class or subclass
 of ABB_ACS880_Epl_1 with the Connect IO method.

 The class ABB_ACS880_Epl_IoModule will automatically be
 included when you configure an ABB_ACS880_Epl object, see
 class ABB_ACS880_Epl for more information.

 The figure below displays the Powerlink configuration in
 in the node hierarchy. The corresponding signals to the channels
 are found in the class ABB_ACS880_Epl_1.

• ABB_ACS880_Epl
• ABB_ACS880_Epl_1
• ABB_ACS880EplMotorAggr

  Received status word SW from the converter

  Received actual speed from the converter

  Received actual current from the converter
  Parameter group 1 index 7.

  Received actual torque from the converter
  Parameter group 1 index 10.

  Received user status word 1 from the converter
  Parameter group 6 index 50.

  Received warning 1 message word from the converter
  Parameter group 4 index 6.

  Received fault/tripped message word from the converter
  Parameter group 4 index 1.

  Transmitted controlword word to the converter

  Transmitted speed reference word to the converter