diff --git a/Makefile.RHEL8 b/Makefile.RHEL8
new file mode 100644
index 0000000..bd514aa
--- /dev/null
+++ b/Makefile.RHEL8
@@ -0,0 +1,40 @@
+# This build the sinq extensions for the PSI EPICS setup
+include /ioc/tools/driver.makefile
+
+MODULE=sinq
+BUILDCLASSES=Linux
+EPICS_VERSIONS=7.0.7
+ARCH_FILTER=RHEL%
+
+# additional module dependencies
+REQUIRED+=SynApps
+REQUIRED+=stream
+REQUIRED+=scaler
+REQUIRED+=asynMotor
+
+# using a test version
+#scaler_VERSION=2024
+
+LIBVERSION=2024
+
+TEMPLATES += sinqEPICSApp/Db/dimetix.db
+TEMPLATES += sinqEPICSApp/Db/slsvme.db
+TEMPLATES += sinqEPICSApp/Db/spsamor.db
+
+DBDS += sinqEPICSApp/src/sinq.dbd
+
+# What we need at SINQ
+SOURCES += sinqEPICSApp/src/devScalerEL737.c
+SOURCES += sinqEPICSApp/src/SINQController.cpp
+SOURCES += sinqEPICSApp/src/SINQAxis.cpp
+SOURCES += sinqEPICSApp/src/EL734Driver.cpp
+SOURCES += sinqEPICSApp/src/NanotecDriver.cpp
+SOURCES += sinqEPICSApp/src/stptok.cpp
+SOURCES += sinqEPICSApp/src/PhytronDriver.cpp
+SOURCES += sinqEPICSApp/src/EuroMoveDriver.cpp
+SOURCES += sinqEPICSApp/src/pmacAsynIPPort.c
+SOURCES += sinqEPICSApp/src/pmacAxis.cpp
+SOURCES += sinqEPICSApp/src/pmacController.cpp
+SOURCES += sinqEPICSApp/src/drvAsynMasterMACSPort.c
+SOURCES += sinqEPICSApp/src/MasterMACSDriver.cpp
+# MISCS  would be the place to keep the stream device template files
diff --git a/sinqEPICSApp/src/MasterMACSDriver.cpp b/sinqEPICSApp/src/MasterMACSDriver.cpp
index 8d83f24..157d6af 100644
--- a/sinqEPICSApp/src/MasterMACSDriver.cpp
+++ b/sinqEPICSApp/src/MasterMACSDriver.cpp
@@ -150,7 +150,7 @@ asynStatus
     /* read with a short timeout in order to remove duplicate messages 
      * from the line. This also serves to slow down communication
      */
-    pasynOctetSyncIO->read(pasynUserController_, mmacsResponse, 35, .05, &in, &reason); 
+    pasynOctetSyncIO->read(pasynUserController_, mmacsResponse, 35, interMessageSleep/1000., &in, &reason); 
 
     /* pack data for MasterMACS */
     len = strlen(command) + 6;
diff --git a/sinqEPICSApp/src/SINQController.cpp b/sinqEPICSApp/src/SINQController.cpp
index 4070156..a296a1c 100644
--- a/sinqEPICSApp/src/SINQController.cpp
+++ b/sinqEPICSApp/src/SINQController.cpp
@@ -5,10 +5,16 @@
   Code lifted from Torsten Boegershausen ESS code.
 
   Mark Koennecke, March 2017
+
+  Added code to manage an interMessageSleep 
+
+  Mark Koennecke, February 2024
 */
 
 #include "SINQController.h"
 #include "asynMotorController.h"
+#include "epicsExport.h"
+#include "iocsh.h"
 
 SINQController::SINQController(const char *portName, const char *SINQPortName, int numAxes, const int& extraParams)
   :  asynMotorController(portName, numAxes+1, NUM_MOTOR_DRIVER_PARAMS+extraParams,
@@ -20,6 +26,53 @@ SINQController::SINQController(const char *portName, const char *SINQPortName, i
 {
   createParam(motorMessageIsFromDriverString,    asynParamInt32,      &motorMessageIsFromDriver_);
   createParam(motorMessageTextString,            asynParamOctet,      &motorMessageText_);
+
+  interMessageSleep=20;
+}
+
+/** Set  the interMessageSleep at runtime */
+asynStatus SINQController::setInterMessageSleep(int messageSleep)
+{
+  lock();
+  interMessageSleep = messageSleep;
+  unlock();
+  return asynSuccess;
+}
+
+extern "C" {
+
+asynStatus setInterMessageSleep(const char *portName, int messageSleep)
+{
+  SINQController *pC;
+  static const char *functionName = "setIntermessageSleep";
+
+  pC = (SINQController*) findAsynPortDriver(portName);
+  if (!pC) {
+    printf("%s:%s: Error port %s not found\n", "SINQController", functionName, portName);
+    return asynError;
+  }
+    
+  return pC->setInterMessageSleep(messageSleep);
 }
 
 
+/* setInterMessageSleep */
+static const iocshArg setInterMessageSleepArg0 = {"Controller port name", iocshArgString};
+static const iocshArg setInterMessageSleepArg1 = {"inter message sleep time", iocshArgInt};
+static const iocshArg * const setInterMessageSleepArgs[] = {&setInterMessageSleepArg0,
+                                                           &setInterMessageSleepArg1};
+static const iocshFuncDef setInterMessageSleepDef = {"setInterMessageSleep", 2, setInterMessageSleepArgs};
+
+static void setInterMessageSleepCallFunc(const iocshArgBuf *args)
+{
+  setInterMessageSleep(args[0].sval, args[1].ival);
+}
+
+static void SINQControllerRegister(void)
+{
+  iocshRegister(&setInterMessageSleepDef, setInterMessageSleepCallFunc);
+}
+epicsExportRegistrar(SINQControllerRegister);
+
+} // extern C    
+
diff --git a/sinqEPICSApp/src/SINQController.h b/sinqEPICSApp/src/SINQController.h
index 27cdd62..ae33886 100644
--- a/sinqEPICSApp/src/SINQController.h
+++ b/sinqEPICSApp/src/SINQController.h
@@ -18,11 +18,15 @@ class epicsShareClass SINQController : public asynMotorController
 {
  public:
   SINQController(const char *portName, const char *SINQPortName, int numAxes, const int& extraParams=2);
-
+  asynStatus setInterMessageSleep(int messageSleep);
+ 
   friend class SINQAxis;
  protected:
   int motorMessageIsFromDriver_;
   int motorMessageText_;
+
+  int interMessageSleep; // minimum time between message to the controller in microseconds
+                         // for slowing down communication to weak controllers.....
 }; 
 
 
diff --git a/sinqEPICSApp/src/pmacController.cpp b/sinqEPICSApp/src/pmacController.cpp
index 6109b4c..877581b 100644
--- a/sinqEPICSApp/src/pmacController.cpp
+++ b/sinqEPICSApp/src/pmacController.cpp
@@ -300,7 +300,7 @@ setIntegerParam(this->motorStatusCommsError_, 0);
 }
 }
 
-usleep(20); // slow down communication somewhat 
+usleep(interMessageSleep); // slow down communication somewhat 
 
 asynPrint(lowLevelPortUser_, ASYN_TRACEIO_DRIVER, "%s: response: %s\n", functionName, response); 
 debugFlow("Received: ");
diff --git a/sinqEPICSApp/src/sinq.dbd b/sinqEPICSApp/src/sinq.dbd
index 77c4e39..f605942 100644
--- a/sinqEPICSApp/src/sinq.dbd
+++ b/sinqEPICSApp/src/sinq.dbd
@@ -9,6 +9,7 @@ registrar(pmacControllerRegister)
 registrar(pmacAsynIPPortRegister) 
 registrar(drvAsynMMACSPortRegisterCommands)
 registrar(MasterMACSRegister) 
+registrar(SINQControllerRegister) 
 
 #--------------------------------------------------------
 # With the PSI module build system, including these items actually