diff --git a/Scripts/alarm_csv2xml.py b/Scripts/alarm_csv2xml.py
index d53e863..fbe6084 100755
--- a/Scripts/alarm_csv2xml.py
+++ b/Scripts/alarm_csv2xml.py
@@ -5,6 +5,7 @@
 from xml.dom import minidom
 
 import click
+import re
 
 
 def csvtoxml(infile, outfile, cname):
@@ -28,11 +29,22 @@ def csvtoxml(infile, outfile, cname):
                 stack.append(sel)
             else:
                 pv = ET.SubElement(stack[-1], 'pv')
-                pv.set('name', row['PV'])
+                pv_name = row['PV']
+                pv_tokens = pv_name.split('://', 1)
+                if len(pv_tokens) == 2:
+                    protocol = pv_tokens[0].lower()
+                    if protocol == 'ca' or protocol == 'pva':
+                        pass
+                    elif protocol == 'major' or protocol == 'minor':
+                        calc_expression = pv_tokens[1]
+                        pv_name = f'eq://{protocol}Alarm({calc_expression}, "")'
+                    else:
+                        raise ValueError(f'Got unsupported protocol "{protocol}" in {pv_name}')
+                pv.set('name', pv_name)
                 desc = ET.SubElement(pv, 'description')
                 desc.text = row['Description']
                 latch = ET.SubElement(pv, 'latching')
-                latch.text = row['Latch'].capitalize() if row['Latch'] else "True"
+                latch.text = row['Latch'].capitalize() if row['Latch'] else 'True'
                 delay = ET.SubElement(pv, 'delay')
                 delay.text = row['Delay']
                 if 'Filter' in row and row['Filter']:
@@ -48,7 +60,7 @@ def csvtoxml(infile, outfile, cname):
     if outfile is None:
         outfile = infile.rsplit('.', 1)[0] + '.xml'
     with open(outfile, 'w', encoding='utf-8') as out:
-        out.write(xm.toprettyxml(indent=" "*3))
+        out.write(xm.toprettyxml(indent=' '*3))
     click.echo(f'Conversion of {infile} complete. See {outfile}')
 
 
diff --git a/Spreadsheet/KFE/TMO-alarms.csv b/Spreadsheet/KFE/TMO-alarms.csv
index 61a295f..495df54 100644
--- a/Spreadsheet/KFE/TMO-alarms.csv
+++ b/Spreadsheet/KFE/TMO-alarms.csv
@@ -124,3 +124,4 @@
 ,,LM1K4:QADC:01:OUT0_EDGE2,QADC signal monitor,,,LM1K4:QADC:01:OUT0_EDGE2>0,
 1,LASER PHASE MOTOR,,,,,,
 ,,LAS:LHN:LLG2:01:PHAS:ERROR,Laser phase feedback,,,,
+,,major://(abs(SL1K0:POWER:ACTUAL_YWIDTH_RBV) * 1000) > AT1K0:GAS_MA_Y:MMS:1,slits too wide,,,,
diff --git a/XML/KFE/TMO-alarms.xml b/XML/KFE/TMO-alarms.xml
index b81add5..b514762 100644
--- a/XML/KFE/TMO-alarms.xml
+++ b/XML/KFE/TMO-alarms.xml
@@ -524,6 +524,11 @@
             <latching>True</latching>
             <delay/>
          </pv>
+         <pv name="eq://majorAlarm((abs(SL1K0:POWER:ACTUAL_YWIDTH_RBV) * 1000) &gt; AT1K0:GAS_MA_Y:MMS:1, &quot;&quot;)">
+            <description>slits too wide</description>
+            <latching>True</latching>
+            <delay/>
+         </pv>
       </component>
    </component>
 </config>