diff --git a/superxas_bec/device_configs/x10da_config_falcon_test.yaml b/superxas_bec/device_configs/x10da_config_falcon_test.yaml
index 1118cc9..efacbb5 100644
--- a/superxas_bec/device_configs/x10da_config_falcon_test.yaml
+++ b/superxas_bec/device_configs/x10da_config_falcon_test.yaml
@@ -1,11 +1,11 @@
 falcon:
   description: Falcon Sitoro detector
-  deviceClass: superxas_bec.devices.falcon.FalconSuperXAS
+  deviceClass: superxas_bec.devices.falcon_slim.FalconSuperXASSlim
   deviceConfig:
     prefix: 'X10DA-SITORO:'
   enabled: true
   onFailure: raise
-  readoutPriority: async
+  readoutPriority: monitored
   softwareTrigger: false
 manip_new_trx:
   description: Old Sample Manipulator X-Translation
@@ -52,3 +52,12 @@ trigger:
   onFailure: raise
   readoutPriority: baseline
   softwareTrigger: true
+kb_slit_y:
+  readoutPriority: baseline
+  description: KB slit axis Y
+  deviceClass: ophyd.EpicsMotor
+  deviceConfig:
+    prefix: X10DA-ES1-SV1:OPENY
+  onFailure: retry
+  enabled: true
+  softwareTrigger: false
diff --git a/superxas_bec/devices/falcon_slim.py b/superxas_bec/devices/falcon_slim.py
index ef597d3..2045eac 100644
--- a/superxas_bec/devices/falcon_slim.py
+++ b/superxas_bec/devices/falcon_slim.py
@@ -3,7 +3,7 @@ import enum
 import numpy as np
 from bec_lib.logger import bec_logger
 from ophyd import Component as Cpt
-from ophyd import Device, EpicsSignal, EpicsSignalRO, EpicsSignalWithRBV, Kind, Signal
+from ophyd import Device, EpicsSignal, EpicsSignalRO, Kind, Signal
 from ophyd_devices import CompareStatus, DeviceStatus, PreviewSignal, StatusBase
 from ophyd_devices.interfaces.base_classes.psi_device_base import PSIDeviceBase
 
@@ -20,15 +20,15 @@ class FalconAcquiringStatus(int, enum.Enum):
 class FalconControlSlim(Device):
     """Slim Falcon Control class for SuperXAS. prefix: 'X10DA-SITORO:'"""
 
-    start = Cpt(EpicsSignal, "EraseStart", doc="XMAP start signal")
-    stop = Cpt(EpicsSignal, "StopAll", doc="XMAP stop signal")
-    acquiring = Cpt(EpicsSignalRO, "Acquiring", auto_monitor=True, doc="XMAP acquiring signal")
-    icr = Cpt(EpicsSignalRO, "dxp1:InputCountRate", doc="XMAP input count rate")
-    ocr = Cpt(EpicsSignalRO, "dxp1:OutputCountRate", doc="XMAP output count rate")
-    ert = Cpt(EpicsSignalRO, "mca1.ERTM", doc="XMAP elapsed real time")
-    roi = Cpt(EpicsSignalRO, "mca1.R0", kind=Kind.hinted, doc="XMAP ROI signal")
-    label = Cpt(EpicsSignalRO, "mca1.R0NM", kind=Kind.config, doc="XMAP ROI signal")
-    spectrum_val = Cpt(EpicsSignalRO, "mca1.VAL", kind=Kind.omitted)
+    erase_start:EpicsSignal = Cpt(EpicsSignal, "EraseStart", kind=Kind.omitted, doc="XMAP start signal")
+    stop_all:EpicsSignal = Cpt(EpicsSignal, "StopAll", kind=Kind.omitted,doc="XMAP stop signal")
+    acquiring:EpicsSignalRO = Cpt(EpicsSignalRO, "Acquiring", kind=Kind.omitted, auto_monitor=True, doc="XMAP acquiring signal")
+    icr:EpicsSignalRO = Cpt(EpicsSignalRO, "dxp1:InputCountRate", doc="XMAP input count rate")
+    ocr:EpicsSignalRO = Cpt(EpicsSignalRO, "dxp1:OutputCountRate", doc="XMAP output count rate")
+    ert:EpicsSignalRO = Cpt(EpicsSignalRO, "mca1.ERTM", doc="XMAP elapsed real time")
+    roi:EpicsSignalRO = Cpt(EpicsSignalRO, "mca1.R0", kind=Kind.hinted, doc="XMAP ROI signal")
+    label:EpicsSignalRO = Cpt(EpicsSignalRO, "mca1.R0NM", kind=Kind.config, doc="XMAP ROI signal")
+    spectrum_val:EpicsSignalRO = Cpt(EpicsSignalRO, "mca1.VAL", kind=Kind.omitted)
 
     # Preview Signal for Falcon detector
     spectrum = Cpt(
@@ -36,11 +36,11 @@ class FalconControlSlim(Device):
     )
 
     # Configuration attributes
-    collect_mode = Cpt(EpicsSignal, "CollectMode", doc="Collect mode signal")
-    preset_real_time = Cpt(EpicsSignalWithRBV, "PresetRealTime", doc="Preset real time signal")
+    collect_mode:EpicsSignal = Cpt(EpicsSignal, "CollectMode", doc="Collect mode signal")
+    preset_real:EpicsSignal = Cpt(EpicsSignal, "PresetReal", doc="Preset real time signal")
 
     # Computed signal for dead time corrected counts
-    dead_cor_roi0_count = Cpt(Signal, "dead_cor_roi0_count", doc="Dead time corrected ROI 0 count")
+    dead_cor_roi0_count = Cpt(Signal, name="dead_cor_roi0_count", doc="Dead time corrected ROI 0 count")
 
 
 def compute_dead_time_corrected_signal(icr: float, ocr: float, roi: float, ert: float):
@@ -106,7 +106,7 @@ class FalconSuperXASSlim(PSIDeviceBase, FalconControlSlim):
             status.wait(timeout=self._pv_timeout)
 
         self.collect_mode.set(0).wait(timeout=self._pv_timeout)
-        self.preset_real_time.set(0).wait(timeout=self._pv_timeout)
+        self.preset_real.set(0).wait(timeout=self._pv_timeout)
 
     def on_unstage(self) -> DeviceStatus | StatusBase | None:
         """Called while unstaging the device."""
diff --git a/superxas_bec/devices/trigger.py b/superxas_bec/devices/trigger.py
index 1240857..390c39f 100644
--- a/superxas_bec/devices/trigger.py
+++ b/superxas_bec/devices/trigger.py
@@ -146,7 +146,7 @@ class Trigger(PSIDeviceBase, TriggerControl):
             falcon.stop_all.put(1)
             status.wait(timeout=self._pv_timeout)
             time.sleep(0.4)  # Simulate some processing time
-            falcon.update_data()
+            falcon.obj.update_data()
         return status_smpl
 
     def on_complete(self) -> DeviceStatus | StatusBase | None: