diff --git a/scripts/analysis/c6111_extract.py b/scripts/analysis/c6111_extract.py
index 3e802b1..69f6a63 100644
--- a/scripts/analysis/c6111_extract.py
+++ b/scripts/analysis/c6111_extract.py
@@ -26,6 +26,11 @@ ASSET = "/ASSETS/P6"
 #   P9(91): PICA-9111A (with A suffix). 92xx 2차 컬럼 존재
 #   P10(101): FICQ-10114A (not 10114), PICA-10111A, LIA-10111 (not LICA). 102xx 2차 컬럼 존재
 COLUMN_EXCEPTIONS = {
+    "51": {
+        # P5: 민감단 TI-5111C 센서 없음(A/B/D만 존재) → T_C를 TI-5111B로 대체 (사용자 확정 2026-06-05).
+        #     startup 트리거는 reb-A·ΔT(A-D) 사용이라 영향 없음.
+        "T_C": "TI-5111B.PV",
+    },
     "81": {
         "steam_op": "TICA-8111.OP",
         "reb_temp": "TICA-8111.PV",
diff --git a/scripts/analysis/run_column.py b/scripts/analysis/run_column.py
index aaa0d0e..25c200c 100644
--- a/scripts/analysis/run_column.py
+++ b/scripts/analysis/run_column.py
@@ -16,11 +16,14 @@ import pandas as pd
 BASE = os.path.dirname(os.path.abspath(__file__))
 
 COLUMNS = [
+    ("51", "/ASSETS/P5", "C-5111 (5차)"),          # 측류 솔벤트, T_C 센서 부재(대체)
     ("61", "/ASSETS/P6", "C-6111 (6-1차)"),
     ("62", "/ASSETS/P6", "C-6211 (6-2차)"),
-    ("81", "/ASSETS/P8", "C-8111 (8차)"),
-    ("91", "/ASSETS/P9", "C-9111 (9차)"),
-    ("101", "/ASSETS/P10", "C-10111 (10차)"),
+    ("81", "/ASSETS/P8", "C-8111 (8차, 단일 train)"),
+    ("91", "/ASSETS/P9", "C-9111 (9-1차)"),
+    ("92", "/ASSETS/P9", "C-9211 (9-2차)"),
+    ("101", "/ASSETS/P10", "C-10111 (10-1차)"),
+    ("102", "/ASSETS/P10", "C-10211 (10-2차)"),
 ]
 
 PREFIX_ASSET = {p: a for p, a, _ in COLUMNS}