Actual signals and parameters 243 Group 41: Process PID set 2This group defines second set of parameters used with the Process PID (PID1)controller.The operation of parameters 4101 ... 4139 is analogous with Process PID set 1(PID1) parameters 4001…4039.PID parameter set 2 can be selected by parameter 4027 PID 1 PARAM SET. Group 42: Ext / Trim PIDThis group defines the parameters used for the second PID controller (PID2) ofACS320.The operation of parameters 4201 ... 4221 is analogous with Process PID set 1(PID1) parameters 4001…4039.Group 41: Process PID set 2Code Description Range Resolution Default S4101...4139 See parameters 4001…4039.Group 42: Ext / Trim PIDCode Description Range Resolution Default S4201...4221 See parameters 4001…4021.