A.10 L: Protection FunctionL parameters provide protection to the drive and motor, including control during momentary power loss, Stall Prevention,frequency detection, fault restarts, overtorque detection, and other types of hardware protection.u L1: Motor ProtectionNo.(Addr.Hex) Name LCD Display Description Values PageL1-01(0480) Motor OverloadProtection SelectionMtr OL Charact0: OL1 Disabled1: VT Motor4: PM Motor0: Disabled1: General purpose motor (standard fan cooled)4: PM motor with variable torqueThe drive may not be able to provide protection when usingmultiple motors, even if overload is enabled in L1-01. Set L1-01to 0 and install separate thermal relays to each motor.Default: <1>Range: 0, 1, 4 106L1-02(0481) Motor OverloadProtection Time MOL Time Const Sets the motor thermal overload protection (oL1) time. Default: 1.0 minMin.: 1.0Max.: 5.0 107L1-03(0482)Motor Overheat AlarmOperation Selection(PTC input)Mtr OH Alarm Sel0 : Ramp to Stop1: Coast to Stop2: Fast-Stop3: Alarm onlySets operation when the motor temperature analog input(H3-02 or H3-10 = E) exceeds the alarm level.0: Ramp to stop1: Coast to stop2: Fast Stop (decelerate to stop using the deceleration time inC1-09)3: Alarm only (“oH3” will flash)Default: 3Range: 0 to 3 108L1-04(0483)Motor Overheat FaultOperation Selection(PTC input)Mtr OH Fault Sel0 : Ramp to Stop1: Coast to Stop2: Fast-StopSets stopping method when the motor temperature analog input(H3-02, or H3-10 = E) exceeds the oH4 fault level.0: Ramp to stop1: Coast to stop2: Fast Stop (decelerate to stop using the deceleration time inC1-09)Default: 1Range: 0 to 2 108L1-05(0484)Motor TemperatureInput Filter Time (PTCinput) Mtr Temp Filter Adjusts the filter for the motor temperature analog input(H3-02, or H3-10 = E). Default: 0.20 sMin.: 0.00Max.: 10.00 109L1-08(1103) oL1 Current Level oL1 Current Lvl Sets the reference current for motor thermal overload detectionfor the motor in amperes.Default: <3>Min.: 10% ofdrive ratedcurrentMax.: 150% ofdrive ratedcurrent <4>109L1-13(046D)ContinuousElectrothermalOperation SelectionMtr OL Mem Sel0: Disabled1: Enabled2: Enabled(RTC)0: Disabled1: Enabled2: Enable using Real Time Clock Default: 1Range: 0 to 2 109<1> Default setting is determined by parameter A1-02, Control Method Selection.<3> Default setting is determined by parameter o2-04, Drive Model Selection.<4> Display is in the following units:2o0028, 2o0042, and 4o0011 to 4o0027: 0.01 A units2o0054 to 2o0248 and 4o0034 to 4o0414: 0.1 A unitsA.10 L: Protection Function228 YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual
