diff --git a/CalibTracker/SiStripDCS/plugins/SiStripDetVOffPrinter.cc b/CalibTracker/SiStripDCS/plugins/SiStripDetVOffPrinter.cc
new file mode 100644
index 0000000000000..6609bd1a41fb4
--- /dev/null
+++ b/CalibTracker/SiStripDCS/plugins/SiStripDetVOffPrinter.cc
@@ -0,0 +1,233 @@
+#include "FWCore/Framework/interface/Event.h"
+#include "FWCore/Framework/interface/EDAnalyzer.h"
+#include "FWCore/Framework/interface/one/EDAnalyzer.h"
+#include "FWCore/Framework/interface/MakerMacros.h"
+#include "FWCore/ServiceRegistry/interface/Service.h"
+#include "FWCore/ParameterSet/interface/ParameterSet.h"
+
+#include <iostream>
+#include <fstream>
+#include <sstream>
+
+#include "CondCore/CondDB/interface/ConnectionPool.h"
+
+#include "CalibTracker/SiStripCommon/interface/SiStripDetInfoFileReader.h"
+#include "CondFormats/SiStripObjects/interface/SiStripDetVOff.h"
+#include "CondFormats/Common/interface/Time.h"
+#include "CondFormats/Common/interface/TimeConversions.h"
+
+#include <TROOT.h>
+#include <TSystem.h>
+#include <TCanvas.h>
+#include <TFile.h>
+#include <TLegend.h>
+#include <TGraph.h>
+#include <TH1.h>
+
+
+class SiStripDetVOffPrinter : public edm::one::EDAnalyzer<> {
+public:
+
+  explicit SiStripDetVOffPrinter(const edm::ParameterSet& iConfig );
+  ~SiStripDetVOffPrinter() override;
+  void analyze( const edm::Event& evt, const edm::EventSetup& evtSetup) override;
+  void endJob() override;
+  static void fillDescriptions(edm::ConfigurationDescriptions & descriptions);
+
+private:
+
+  cond::persistency::ConnectionPool m_connectionPool;
+  std::string m_condDb;
+  std::string m_tagName;
+
+  // Manually specify the start/end time. Format: "2002-01-20 23:59:59.000".
+  std::string m_startTime;
+  std::string m_endTime;
+  // Specify output text file name. Leave empty if do not want to dump HV/LV counts in a file.
+  std::string m_output;
+  edm::Service<SiStripDetInfoFileReader> detidReader;
+
+  //          IOV                 DETIDs
+  std::map<cond::Time_t, std::set< uint32_t > > iovMap_HVOff;
+  std::map<cond::Time_t, std::set< uint32_t > > iovMap_LVOff;
+  //          DETIDs              IOV
+  std::map<uint32_t, std::vector< cond::Time_t > > detidMap;
+};
+
+SiStripDetVOffPrinter::SiStripDetVOffPrinter(const edm::ParameterSet& iConfig):
+  m_connectionPool(),
+  m_condDb( iConfig.getParameter< std::string >("conditionDatabase") ),
+  m_tagName( iConfig.getParameter< std::string >("tagName") ),
+  m_startTime( iConfig.getParameter< std::string >("startTime") ),
+  m_endTime( iConfig.getParameter< std::string >("endTime") ),
+  m_output( iConfig.getParameter< std::string >("output") )
+{
+  m_connectionPool.setParameters( iConfig.getParameter<edm::ParameterSet>("DBParameters")  );
+  m_connectionPool.configure();
+}
+
+SiStripDetVOffPrinter::~SiStripDetVOffPrinter() {
+}
+
+void SiStripDetVOffPrinter::analyze(const edm::Event& evt, const edm::EventSetup& evtSetup) {
+  
+  // get total number of modules
+  //auto num_modules = detidReader->getAllDetIds().size();
+
+  // use start and end time from config file
+  boost::posix_time::ptime p_start, p_end;
+  p_start = boost::posix_time::time_from_string(m_startTime);
+  p_end   = boost::posix_time::time_from_string(m_endTime);
+  cond::Time_t startIov = cond::time::from_boost(p_start);
+  cond::Time_t endIov   = cond::time::from_boost(p_end);
+  if (startIov > endIov)
+    throw cms::Exception("endTime must be greater than startTime!");
+  edm::LogInfo("SiStripDetVOffPrinter") << "[SiStripDetVOffPrinter::" << __func__ << "] "
+					<< "Set start time " << startIov << " (" << boost::posix_time::to_simple_string(p_start) << ")"
+					<< "\n ... Set end time " << endIov << " (" << boost::posix_time::to_simple_string(p_end) << ")" ;
+
+  // open db session
+  edm::LogInfo("SiStripDetVOffPrinter") << "[SiStripDetVOffPrinter::" << __func__ << "] "
+					<< "Query the condition database " << m_condDb;
+  cond::persistency::Session condDbSession = m_connectionPool.createSession( m_condDb );
+  condDbSession.transaction().start( true );
+
+  std::stringstream ss;
+  // list of times with new IOVs within the time range
+  std::vector< cond::Time_t > vTime;
+  
+  // query the database
+  edm::LogInfo("SiStripDetVOffPrinter") << "[SiStripDetVOffPrinter::" << __func__ << "] "
+					<< "Reading IOVs from tag " << m_tagName;
+  cond::persistency::IOVProxy iovProxy = condDbSession.readIov(m_tagName, true); // load all?
+  auto iiov = iovProxy.find(startIov);
+  auto eiov = iovProxy.find(endIov);
+  int niov = 0;
+  while (iiov != iovProxy.end() && (*iiov).since <= (*eiov).since){
+    // convert cond::Time_t to seconds since epoch
+    if ((*iiov).since<startIov){
+      vTime.push_back(startIov);
+    } else {
+      vTime.push_back((*iiov).since);
+    }
+    auto payload = condDbSession.fetchPayload<SiStripDetVOff>( (*iiov).payloadId );
+    // print IOVs summary
+    ss  << boost::posix_time::to_simple_string(cond::time::to_boost((*iiov).since))
+	<< " (" << (*iiov).since <<  ")"
+	<< ", # HV Off=" << std::setw(6) << payload->getHVoffCounts()
+	<< ", # LV Off=" << std::setw(6) << payload->getLVoffCounts() << std::endl;
+
+    // list of detids with HV/LV Off
+    std::vector<uint32_t> detIds;
+    payload->getDetIds(detIds);
+    std::set<uint32_t> detIds_HVOff;
+    std::set<uint32_t> detIds_LVOff;
+    std::vector<uint32_t>::const_iterator it = detIds.begin();
+    for( ; it!=detIds.end(); ++it ) {
+      if(payload->IsModuleHVOff(*it) ) detIds_HVOff.insert(*it);
+      if(payload->IsModuleLVOff(*it) ) detIds_LVOff.insert(*it);
+      
+      if(detidMap.find(*it)==detidMap.end()) {
+	std::vector< cond::Time_t > vec;
+	detidMap[*it] = vec;		  
+      }
+      
+      // for each module concerned by the IOV, add the time in an history vector
+      detidMap[*it].push_back(vTime.back());
+    }
+    
+    // fill list of channels Off at a given time
+    iovMap_HVOff[vTime.back()] = detIds_HVOff;
+    iovMap_LVOff[vTime.back()] = detIds_LVOff;
+    
+    /*std::vector<uint32_t>::const_iterator it = detIds.begin();
+      for( ; it!=detIds.end(); ++it ) {
+      std::cout << *it << std::endl;
+      }*/
+    
+    ++iiov;
+    ++niov;
+  }
+  vTime.push_back(endIov); // used to compute last IOV duration
+
+  edm::LogInfo("SiStripDetVOffPrinter") << "[SiStripDetVOffPrinter::" << __func__ << "] "
+					<< "Read " << niov << " IOVs from tag " << m_tagName << " corresponding to the specified time interval.\n" << ss.str();
+
+
+  // Create a map of IOVs time_duration
+  std::map< cond::Time_t, boost::posix_time::time_duration > mIOVsDuration;
+  std::vector< cond::Time_t >::const_iterator itTime = ++vTime.begin();
+  std::vector< cond::Time_t >::const_iterator itPreviousTime = vTime.begin();
+  //std::vector< cond::Time_t >::const_iterator itLastTime = --vTime.end();
+  for( ; itTime!=vTime.end(); ++itTime ) {
+    mIOVsDuration[ *itPreviousTime ] = cond::time::to_boost(*itTime) - cond::time::to_boost(*itPreviousTime);
+    itPreviousTime = itTime;
+  }
+  boost::posix_time::time_duration time_period = cond::time::to_boost(*(--vTime.end())) - cond::time::to_boost(*(vTime.begin()));
+  
+  // debug
+  /*for( itTime=vTime.begin(); itTime!=itLastTime; ++itTime ) {
+	std::cout<<boost::posix_time::to_simple_string( cond::time::to_boost(*itTime) ) << "    " <<boost::posix_time::to_simple_string(mIOVsDuration[ *itTime ])<<std::endl;
+  }*/
+
+  // Print summary per module	
+  edm::LogInfo("SiStripDetVOffPrinter") << "[SiStripDetVOffPrinter::" << __func__ << "] "
+					<< detidMap.size() << " modules were Off at some point during the time interval";
+  ss.str("");
+  
+  // Loop over detIds
+  std::map<uint32_t, std::vector< cond::Time_t > >::const_iterator itMap = detidMap.begin();
+  for( ; itMap!=detidMap.end(); ++itMap ) {
+    std::vector< cond::Time_t > vecTime = itMap->second;
+    
+    boost::posix_time::time_duration cumul_time_HVOff(0,0,0,0);
+    boost::posix_time::time_duration cumul_time_LVOff(0,0,0,0);
+    // Loop over IOVs
+    std::vector< cond::Time_t >::const_iterator itTime = vecTime.begin();
+    for( ; itTime!=vecTime.end(); ++itTime ) {
+      if(iovMap_HVOff[*itTime].find(itMap->first) != iovMap_HVOff[*itTime].end()) cumul_time_HVOff+=mIOVsDuration[*itTime];
+      if(iovMap_LVOff[*itTime].find(itMap->first) != iovMap_LVOff[*itTime].end()) cumul_time_LVOff+=mIOVsDuration[*itTime];
+    }
+    ss<<"detId "<< itMap->first <<" #IOVs: "<<vecTime.size()
+      <<"  HVOff: "<<cumul_time_HVOff<<" "<<cumul_time_HVOff.total_milliseconds()*100.0/time_period.total_milliseconds()<<"% "
+      <<"  LVOff: "<<cumul_time_LVOff<<" "<<cumul_time_LVOff.total_milliseconds()*100.0/time_period.total_milliseconds()<<"%"<<std::endl;
+    
+  }
+
+  condDbSession.transaction().commit();
+ 
+  if (!m_output.empty()) {
+    std::ofstream fout;
+    fout.open(m_output);
+    fout << ss.str();
+    fout.close();
+  }  
+}
+
+void
+SiStripDetVOffPrinter::fillDescriptions(edm::ConfigurationDescriptions & descriptions) {
+
+  edm::ParameterSetDescription desc;
+  desc.add<std::string>("conditionDatabase","frontier://FrontierProd/CMS_CONDITIONS");
+  desc.add<std::string>("tagName","SiStripDetVOff_1hourDelay_v1_Validation");
+  desc.add<std::string>("startTime","2002-01-20 23:59:59.000");
+  desc.add<std::string>("endTime","2002-01-20 23:59:59.000");
+  desc.add<std::string>("output","PerModuleSummary.txt");
+  desc.add<std::string>("connect","");
+
+  edm::ParameterSetDescription descDBParameters;
+  descDBParameters.addUntracked<std::string>("authenticationPath","");  
+  descDBParameters.addUntracked<int>("authenticationSystem",0);  
+  descDBParameters.addUntracked<std::string>("security","");  
+  descDBParameters.addUntracked<int>("messageLevel",0);  
+
+  desc.add<edm::ParameterSetDescription>("DBParameters",descDBParameters);
+  descriptions.add("siStripDetVOffPrinter", desc);
+}
+
+
+void SiStripDetVOffPrinter::endJob() {
+}
+
+DEFINE_FWK_MODULE(SiStripDetVOffPrinter);
+
diff --git a/CalibTracker/SiStripDCS/python/dcs_print_summary_cfg.py b/CalibTracker/SiStripDCS/python/dcs_print_summary_cfg.py
new file mode 100644
index 0000000000000..8346624fa2058
--- /dev/null
+++ b/CalibTracker/SiStripDCS/python/dcs_print_summary_cfg.py
@@ -0,0 +1,41 @@
+import FWCore.ParameterSet.Config as cms
+import os
+
+process = cms.Process("summary")
+
+process.MessageLogger = cms.Service( "MessageLogger",
+                                     debugModules = cms.untracked.vstring( "*" ),
+                                     cout = cms.untracked.PSet( threshold = cms.untracked.string( "DEBUG" ) ),
+                                     destinations = cms.untracked.vstring( "cout" )
+                                     )
+
+process.maxEvents = cms.untracked.PSet(
+    input = cms.untracked.int32(1)
+)
+process.source = cms.Source("EmptySource",
+    numberEventsInRun = cms.untracked.uint32(1),
+    firstRun = cms.untracked.uint32(1)
+)
+
+process.SiStripDetInfoFileReader = cms.Service("SiStripDetInfoFileReader")
+
+process.load("CondCore.CondDB.CondDB_cfi")
+process.load("CalibTracker.SiStripDCS.siStripDetVOffPrinter_cfi")
+process.siStripDetVOffPrinter.tagName = "SiStripDetVOff_13hourDelay_v1_Validation"
+process.siStripDetVOffPrinter.startTime = "2018.08.09 18:20:00"
+process.siStripDetVOffPrinter.endTime   = "2018.08.09 22:14:00"
+
+# process.DetVOffSummary = cms.EDAnalyzer( "SiStripDetVOffPrinter",
+#                                          process.CondDB,
+#                                          conditionDatabase = cms.string("frontier://FrontierProd/CMS_CONDITIONS"),
+#                                          # Add the tag 
+#                                          tagName = cms.string("SiStripDetVOff_1hourDelay_v1_Validation"),
+#                                          # Start and end time
+#                                          # Time format: "2002-01-20 23:59:59.000" (UTC).
+#                                          startTime = cms.string("2018.08.09 18:20:00"),
+#                                          endTime   = cms.string("2018.08.09 22:14:00"),
+#                                          # Set output file name. Leave empty if do not want to dump HV/LV counts in a text file.
+#                                          output = cms.string("PerModuleSummary.txt")
+#                                          )
+
+process.p = cms.Path(process.siStripDetVOffPrinter)