User Guide - Eurotherm Ltda

nanodac RECORDER/CONTROLLER: USER GUIDE4.7.6 Advanced Loop Master Sp Menu (Cont.)SP Rate DisableServo To PVSP TrimSP Trim High/LowManual TrackSetpoint TrackTrack PVTrack SPSP Int BalanceAppears only if Rate is not ‘Off’. ‘Yes’ disables rate limiting; ‘No’ enables rate limiting.If ‘Rate’ is set to any value other than ‘Off’, and if ‘Servo to PV’ is set to ‘Yes’ then anychange in the current setpoint value causes the working setpoint to servo to the currentPV before ramping to the new setpoint value.A positive or negative value added to the setpoint, for local fine tuning. Valid entriesare any value between ‘SP Trim High’ and ‘SP Trim Low’.Setpoint trim high and low limits‘On’ enables manual tracking. Manual tracking removes steps in setpoint when switchingbetween M’Man’ and ‘Auto’ modes. When the loop is switched from manual to autothe target setpoint is set to the current PV. See section B2.5.5 for more details. ‘Off’disables manual tracking.‘On’ enables setpoint tracking. When setpoint tracking is enabled, it ensures ‘bumpless’transfer in setpoint when switching from Alternative setpoint to a local setpoint.See section B2.5.4 for more details. ‘Off’ disables setpoint tracking.The unit tracks the PV when it is servoing or tracking.The SP to track in manual tracking - see ‘Setpoint Track’, above.Allows the user to enable (tick) or disable (cross) debump on PV change.HA030554Issue 7 Nov 12Page 117