diff --git a/MECF.Framework.RT.EquipmentLibrary/Devices/IoInterLock.cs b/MECF.Framework.RT.EquipmentLibrary/Devices/IoInterLock.cs
index a2d034a..09c8b45 100644
--- a/MECF.Framework.RT.EquipmentLibrary/Devices/IoInterLock.cs
+++ b/MECF.Framework.RT.EquipmentLibrary/Devices/IoInterLock.cs
@@ -652,8 +652,7 @@ namespace Aitex.Core.RT.Device.Devices
             {
                 if (_diPMATMSW != null && _diPSUEnable != null && _aiActualSpeed != null && _diConfinementRingDown != null && _aiCurPos != null && _aiDownPos != null)
                 {
-                    if (!_diPSUEnable.Value && _diPMATMSW.Value && _aiActualSpeed.FloatValue == 0 && _diConfinementRingDown.Value &&
-                        Math.Abs(_aiActualSpeed.FloatValue - _aiDownPos.FloatValue) < 0.5)
+                    if (!_diPSUEnable.Value && _diPMATMSW.Value && _aiActualSpeed.FloatValue == 0 && _diConfinementRingDown.Value && Math.Abs(_aiCurPos.FloatValue - _aiDownPos.FloatValue) < 0.5)
                     {
                         if (!_doReactorATMTransferReady.Value)
                         {