diff --git a/pus_tc/plpcdu.py b/pus_tc/plpcdu.py
index bfb42ee..40371ce 100644
--- a/pus_tc/plpcdu.py
+++ b/pus_tc/plpcdu.py
@@ -1,4 +1,5 @@
 import enum
+from typing import Optional
 
 from tmtccmd.config import QueueCommands
 from tmtccmd.tc.definitions import TcQueueT
@@ -13,6 +14,7 @@ from config.object_ids import PL_PCDU_ID
 
 LOGGER = get_console_logger()
 
+
 class OpCodes:
     SWITCH_ADC_ON = ["0", "switch-adc-on"]
     SWITCH_ALL_ON = ["1", "switch-all-on"]
@@ -49,18 +51,9 @@ def pack_pl_pcdu_commands(tc_queue: TcQueueT, op_code: str):
         tc_queue.appendleft(mode_cmd.pack_command_tuple())
     if op_code in OpCodes.UPDATE_DRO_TO_X8_WAIT:
         tc_queue.appendleft((QueueCommands.PRINT, "Updating DRO to X8 wait time"))
-        while True:
-            wait_time = input("Please enter DRO to X8 wait time in seconds, x to cancel")
-            if wait_time.lower() == "x":
-                return
-            if not wait_time.isnumeric():
-                LOGGER.warning("Invalid input")
-                continue
-            wait_time = float(wait_time)
-            if wait_time <= 0:
-                LOGGER.warning("Invalid input")
-            else:
-                break
+        wait_time = request_wait_time()
+        if wait_time is None:
+            return
         param_data = pack_scalar_double_param_app_data(
             object_id=PL_PCDU_ID,
             domain_id=0,
@@ -69,3 +62,18 @@ def pack_pl_pcdu_commands(tc_queue: TcQueueT, op_code: str):
         )
         cmd = pack_fsfw_load_param_cmd(ssc=0, app_data=param_data)
         tc_queue.appendleft(cmd.pack_command_tuple())
+
+
+def request_wait_time() -> Optional[float]:
+    while True:
+        wait_time = input("Please enter DRO to X8 wait time in seconds, x to cancel")
+        if wait_time.lower() == "x":
+            return None
+        if not wait_time.isnumeric():
+            LOGGER.warning("Invalid input")
+            continue
+        wait_time = float(wait_time)
+        if wait_time <= 0:
+            LOGGER.warning("Invalid input")
+        else:
+            return wait_time