Dim userLimit As Mpx.UserLimit = controller.Axis(0).UserLimit(0)

userLimit.ConfigurationReset() ' Reset user limit configuration before configuring it
userLimit.ConfigurationBegin() ' Begin configuration' Configure user limit
userLimit.TriggerType = Mpx.UserLimitTrigger.SingleCondition
userLimit.ConditionType(0) = Mpx.UserLimitConditionType.ActualPosition
userLimit.ConditionAxis(0) = controller.Axis(0).Number
userLimit.ConditionLogic(0) = Mpx.UserLimitLogic.AbsLe
userLimit.ConditionPosition(0) = 1000

userLimit.OutputType = Mpx.UserLimitOutputType.Custom
userLimit.OutputAddress = outputLocation ' VM3 address
userLimit.OutputIsSingle = False
userLimit.OutputAndMask = 0
userLimit.OutputOrMask = newUInt32Value

userLimit.OutputType = Mpx.UserLimitOutputType.UserBuffer
userLimit.OutputType = Mpx.UserLimitOutputType.Custom
userLimit OutputIndex = UserBufferIndex
userLimit.OutputIsSingle = False
userLimit.OutputNewValueInt32 = (int)newUserBufferValue

userLimit.GenerateEvent = True
userLimit.Action = Mpx.Action.None

userLimit.ConfigurationEnd()' Writes configuration to the controller

Mpx.UserLimit userLimit = controller.Axis[0].UserLimit[0];

userLimit.ConfigurationReset(); // Reset user limit configuration before configuring it 
userLimit.ConfigurationBegin(); // Begin configuration

// Configure user limit
userLimit.TriggerType = Mpx.UserLimitTrigger.SingleCondition;
userLimit.ConditionType[0] = Mpx.UserLimitConditionType.ActualPosition; 
userLimit.ConditionAxis[0] = controller.Axis[0].Number;
userLimit.ConditionLogic[0] = Mpx.UserLimitLogic.AbsLe;
userLimit.ConditionPosition[0] = 1000;

userLimit.OutputType = Mpx.UserLimitOutputType.UserBuffer;
userLimit OutputIndex = UserBufferIndex;
userLimit.OutputIsSingle = FALSE;
userLimit.OutputNewValueInt32 = (int)newUserBufferValue;
userLimit.OutputAndMask = 0;
userLimit.OutputOrMask = (uint)newUserBufferValue;

userLimit.GenerateEvent = true; 
userLimit.Action = Mpx.Action.None;