diff --git a/crpptbx/TCV_IMAS/extract_info_connection_matrix.m b/crpptbx/TCV_IMAS/extract_info_connection_matrix.m
index 07fa101cdcea29ce2b5f80df3de282517d0acad6..2251d518bd8c50626f9ba8f904f858282a5e4b01 100644
--- a/crpptbx/TCV_IMAS/extract_info_connection_matrix.m
+++ b/crpptbx/TCV_IMAS/extract_info_connection_matrix.m
@@ -1,6 +1,9 @@
-function info = extract_info_connection_matrix(IDS)
+function info_pf_active = extract_info_connection_matrix(ids_pf_active)
+%
+% info_pf_active = extract_info_connection_matrix(ids_pf_active);
+%
 % Extract the following information from pf_active and connection
-% matrix and add them to the IDS structure
+% matrix and add them to the ids_pf_active structure
 
 % -------------------------------------------
 % Which coils belong to a specific circuit added to
@@ -15,34 +18,34 @@ function info = extract_info_connection_matrix(IDS)
 % Which circuit does a given power supply belong to
 % pf_active.supply{i}.belonged_circuit
 
-info = IDS;
+info_pf_active = ids_pf_active;
 
-info.ntotcoils = numel(IDS.pf_active.coil);
-info.ntotcircuits = numel(IDS.pf_active.circuit);
-info.ntotsupplies = numel(IDS.pf_active.supply);
-info.ntotelements = info.ntotcoils + info.ntotsupplies;
+info_pf_active.ntotcoils = numel(ids_pf_active.coil);
+info_pf_active.ntotcircuits = numel(ids_pf_active.circuit);
+info_pf_active.ntotsupplies = numel(ids_pf_active.supply);
+info_pf_active.ntotelements = info_pf_active.ntotcoils + info_pf_active.ntotsupplies;
 
-for ii = 1:info.ntotcircuits
+for ii = 1:info_pf_active.ntotcircuits
     
     % Supplies belonging to the circuit
     supplies_of_circuit = {};
     supplies_of_circuit_ind = [];
     counter = 0;
-    for jj=1:info.ntotsupplies
+    for jj=1:info_pf_active.ntotsupplies
         index = (2*(jj-1) + 1);
-        if sum(IDS.pf_active.circuit{ii}.connections(:,index)) == 1
+        if sum(ids_pf_active.circuit{ii}.connections(:,index)) == 1
             counter = counter +1;
-            supplies_of_circuit{counter} = IDS.pf_active.supply{jj}.name;
+            supplies_of_circuit{counter} = ids_pf_active.supply{jj}.name;
             supplies_of_circuit_ind(counter) = jj;
         end
     end
-    info.pf_active.circuit{ii}.supplies_belonging_to_circuit = supplies_of_circuit;
-    info.pf_active.circuit{ii}.supplies_ind_belonging_to_circuit = supplies_of_circuit_ind;
+    info_pf_active.circuit{ii}.supplies_belonging_to_circuit = supplies_of_circuit;
+    info_pf_active.circuit{ii}.supplies_ind_belonging_to_circuit = supplies_of_circuit_ind;
     
     % Find to which circuit each supply belongs to
     for jj=supplies_of_circuit_ind
-        info.pf_active.supply{jj}.belonged_circuit = IDS.pf_active.circuit{ii}.name;
-        info.pf_active.supply{jj}.belonged_circuit_ind  = ii;
+        info_pf_active.supply{jj}.belonged_circuit = ids_pf_active.circuit{ii}.name;
+        info_pf_active.supply{jj}.belonged_circuit_ind  = ii;
     end
     
     
@@ -50,21 +53,21 @@ for ii = 1:info.ntotcircuits
     coils_of_circuit = {};
     coils_of_circuit_ind = [];
     counter = 0;
-    for jj=1:info.ntotcoils
-        index = (2*(jj-1) + 1 + 2*info.ntotsupplies);
-        if sum(IDS.pf_active.circuit{ii}.connections(:,index)) == 1
+    for jj=1:info_pf_active.ntotcoils
+        index = (2*(jj-1) + 1 + 2*info_pf_active.ntotsupplies);
+        if sum(ids_pf_active.circuit{ii}.connections(:,index)) == 1
             counter = counter +1;
-            coils_of_circuit{counter} = IDS.pf_active.coil{jj}.name;
+            coils_of_circuit{counter} = ids_pf_active.coil{jj}.name;
             coils_of_circuit_ind(counter) = jj;
         end
     end
-    info.pf_active.circuit{ii}.coils_belonging_to_circuit = coils_of_circuit;
-    info.pf_active.circuit{ii}.coils_ind_belonging_to_circuit = coils_of_circuit_ind;
+    info_pf_active.circuit{ii}.coils_belonging_to_circuit = coils_of_circuit;
+    info_pf_active.circuit{ii}.coils_ind_belonging_to_circuit = coils_of_circuit_ind;
     
     % Find to which circuit each coil belongs to
     for jj=coils_of_circuit_ind 
-        info.pf_active.coil{jj}.belonged_circuit = IDS.pf_active.circuit{ii}.name;
-        info.pf_active.coil{jj}.belonged_circuit_ind  = ii;
+        info_pf_active.coil{jj}.belonged_circuit = ids_pf_active.circuit{ii}.name;
+        info_pf_active.coil{jj}.belonged_circuit_ind  = ii;
     end