diff --git a/siriuspy/siriuspy/devices/bbb.py b/siriuspy/siriuspy/devices/bbb.py
index 860dccd80..71a6d2bf4 100644
--- a/siriuspy/siriuspy/devices/bbb.py
+++ b/siriuspy/siriuspy/devices/bbb.py
@@ -42,7 +42,8 @@ def __init__(self, devname, props2init='all'):
                 "props2init must be 'all' or bool(props2init) == False")
 
         self.dcct = DCCT(DCCT.DEVICES.SI_13C4, props2init=props2init)
-        self.rfcav = RFCav(RFCav.DEVICES.SI, props2init=props2init)
+        self.rfcav_a = RFCav(RFCav.DEVICES.SIA, props2init=props2init)
+        self.rfcav_b = RFCav(RFCav.DEVICES.SIB, props2init=props2init)
         self.info = SystemInfo(devname, props2init=props2init)
         self.timing = Timing(devname, props2init=props2init)
         self.sram = Acquisition(devname, acqtype='SRAM', props2init=props2init)
@@ -61,7 +62,7 @@ def __init__(self, devname, props2init='all'):
             self.info, self.timing, self.sram, self.bram, self.coeffs,
             self.feedback, self.drive0, self.drive1, self.drive2,
             self.bunch_clean, self.fbe, self.dcct,
-            self.rfcav, self.single_bunch, self.phase_track]
+            self.rfcav_a, self.rfcav_b, self.single_bunch, self.phase_track]
 
         if devname.endswith('-L'):
             self.pwr_amp1 = PwrAmpL(devname, num=0, props2init=props2init)
@@ -194,24 +195,26 @@ def sweep_feedback_phase(self, values, wait=2, mon_type='peak'):
         self.coeffs.cmd_edit_apply()
         return _np.array(mon_values)
 
-    def sweep_rf_phase(self, values, wait=2, mon_type='mean'):
-        """Sweep RF Phase for each `value` in `values`."""
+    def sweep_rf_phase(self, delta_phases, wait=2, mon_type='mean'):
+        """Sweep RF Phase for each dphase in `delta_phases`."""
         mon_values = []
         ctrl, mon = 'RF Phase', 'SRAM Mean'
         print(f'Idx: {ctrl:15s} {mon:15s}')
 
-        llrf = self.rfcav.dev_llrf
-        init_val = llrf.phase
-        for i, val in enumerate(values):
-            self.rfcav.set_phase(val)
+        rfcavs = [self.rfcav_a, self.rfcav_b]
+        init_phases = [rfcav.dev_llrf.phase for rfcav in rfcavs]
+        for i, dphase in enumerate(delta_phases):
+            for phase0, rfcav in zip(init_phases, rfcavs):
+                rfcav.set_phase(phase0 + dphase)
             _time.sleep(wait)
             if mon_type.lower() in 'mean':
                 mon_val = self.sram.data_mean
             else:
                 mon_val = self.sram.spec_marker1_mag
             mon_values.append(mon_val)
-            print(f'{i:03d}: {val:15.6f} {_np.mean(mon_val):15.6f}')
-        llrf.value = init_val
+            print(f'{i:03d}: {dphase:15.6f} {_np.mean(mon_val):15.6f}')
+        for phase0, rfcav in zip(init_phases, rfcavs):
+            rfcav.set_phase(phase0)
         return _np.array(mon_values)
 
 
diff --git a/siriuspy/siriuspy/devices/bpm_fam.py b/siriuspy/siriuspy/devices/bpm_fam.py
index a4f921e61..12ed62c5d 100644
--- a/siriuspy/siriuspy/devices/bpm_fam.py
+++ b/siriuspy/siriuspy/devices/bpm_fam.py
@@ -264,8 +264,8 @@ def get_mturn_timestamps(self):
             (len(self._mturn_signals2acq), len(self.bpms)), dtype=float)
         for i, s in enumerate(self._mturn_signals2acq):
             for j, bpm in enumerate(self.bpms):
-                s = self.conv_signal2pvname_format(s)
-                pvo = bpm.pv_object(f'GEN{s}Data')
+                pname = self.conv_signal2pvname_format(s)
+                pvo = bpm.pv_object(f'GEN{pname}Data')
                 tv = pvo.get_timevars(timeout=self.TIMEOUT)
                 tsmps[i, j] = pvo.timestamp if tv is None else tv['timestamp']
         return tsmps