diff --git a/epics/iocs/ISTTOKrpi/ISTTOKrpiApp/Db/ISTTOKmachineControl.db b/epics/iocs/ISTTOKrpi/ISTTOKrpiApp/Db/ISTTOKmachineControl.db
index 43979fa..e52559b 100644
--- a/epics/iocs/ISTTOKrpi/ISTTOKrpiApp/Db/ISTTOKmachineControl.db
+++ b/epics/iocs/ISTTOKrpi/ISTTOKrpiApp/Db/ISTTOKmachineControl.db
@@ -267,14 +267,23 @@ record( bo, "$(P)$(R)RPump2-Valve" ) {
 ################################
 record(bo, "$(P)$(R)VVessel-Filament" ) {
     field(DESC,"Vacuum Vessel Filament power")
-#   record(bo, "$(P)$(R)FilamentOnOff" ) {
     field( OUT, "$(P)$(R)PCF8574:60:REGISTER.B4 PP" )
-        field( ZNAM, "On" )
-        field( ONAM, "Off" )
-        field(VAL,"1")
-        field(PINI,"YES")
+    field( ZNAM, "On" )
+    field( ONAM, "Off" )
+    field(VAL,"1")
+    field(PINI,"YES")
+}
+################################
+#       ELCO Security Relay    #
+################################
+record(bo, "$(P)$(R)ELCO-Enable") {
+    field(DESC,"ELCO Charging Relay Enable")
+    field(OUT, "$(P)$(R)PCF8574:60:REGISTER.B5 PP" )
+    field(ZNAM, "On" )
+    field(ONAM, "Off" )
+    field(VAL,"1")
+    field(ZSV,"MINOR")
 }
-
 ############
 # NOT USED #
 ############
diff --git a/epics/iocs/ISTTOKrpi/ISTTOKrpiApp/src/IsttokSeqExec.stt b/epics/iocs/ISTTOKrpi/ISTTOKrpiApp/src/IsttokSeqExec.stt
index cd40026..98bfc39 100644
--- a/epics/iocs/ISTTOKrpi/ISTTOKrpiApp/src/IsttokSeqExec.stt
+++ b/epics/iocs/ISTTOKrpi/ISTTOKrpiApp/src/IsttokSeqExec.stt
@@ -247,6 +247,9 @@ assign IsttokClean_PrimContactor to "ISTTOK:central:Clean-PrimContactor";
 short IsttokClean_PrimPneuBreaker;
 assign IsttokClean_PrimPneuBreaker to "ISTTOK:central:Clean-PrimPneuBreaker";
 
+short IsttokElco_Enable;
+assign IsttokElco_Enable to "ISTTOK:central:ELCO-Enable";
+
 short IsttokWaitTimer;
 assign IsttokWaitTimer to "ISTTOK:central:COUNTDOWN";
 monitor IsttokWaitTimer;
@@ -337,6 +340,9 @@ ss PulseSequence {
             IsttokVVessel_Filament = PCF_RELAY_OFF;
             pvPut(IsttokVVessel_Filament);
 
+            IsttokElco_Enable= PCF_RELAY_OFF;
+            pvPut(IsttokElco_Enable);
+
             IsttokGasIS_Valves = SEEED_RELAY_OFF;
             pvPut(IsttokGasIS_Valves);
 
@@ -751,6 +757,10 @@ ss PulseSequence {
             errlogSevPrintf(MAJOR, "%s\n",msg);
             IsttokVVessel_Filament = PCF_RELAY_OFF;
             pvPut(IsttokVVessel_Filament);
+            
+            IsttokElco_Enable= PCF_RELAY_OFF;
+            pvPut(IsttokElco_Enable);
+
         }
         when (delay(1.0) && (IsttokEmergency == OFF) && (IsttokOPSTATE == POS_WaitShot || IsttokOPSTATE==POS_Clean) ){
             /* Pulse state change to Idle */
@@ -1182,6 +1192,9 @@ ss ShotSequence {
         when( IsttokTTSystem_tzero == 0 ){
             strcpy(msg, "Trigger received...");
             pvPut(msg);
+            IsttokElco_Enable= PCF_RELAY_ON;
+            pvPut(IsttokElco_Enable);
+
             IsttokWaitTimer = -70;
             pvPut(IsttokWaitTimer);
             WSHOTINGSTATE = WSHTST_Shooting2;
@@ -1293,6 +1306,9 @@ ss ShotSequence {
             strcpy(msg, "Buzzer 2-Sound" );
             pvPut(msg);
             errlogSevPrintf(NO_ALARM, "%s\n", msg);
+            IsttokElco_Enable= PCF_RELAY_OFF;
+            pvPut(IsttokElco_Enable);
+
             IsttokBuzzer = SEEED_RELAY_PULSE;
             pvPut(IsttokBuzzer);
             strcpy(msg, "Filament ON");
diff --git a/epics/iocs/ISTTOKrpi/iocBoot/iocISTTOKrpi/pvList.txt b/epics/iocs/ISTTOKrpi/iocBoot/iocISTTOKrpi/pvList.txt
index a590d0c..b844ff1 100644
--- a/epics/iocs/ISTTOKrpi/iocBoot/iocISTTOKrpi/pvList.txt
+++ b/epics/iocs/ISTTOKrpi/iocBoot/iocISTTOKrpi/pvList.txt
@@ -1,21 +1,22 @@
-ISTTOK:central:PCF8574:56:REGISTER:READ:FNOUT
-ISTTOK:central:PCF8574:57:REGISTER:READ:FNOUT
-ISTTOK:central:TMPump1-Power
-ISTTOK:central:TMPump1-Emergency
-ISTTOK:central:TMPump1-Acceleration
-ISTTOK:central:TMPump1-NormalOperation
-ISTTOK:central:TMPump2-Emergency
-ISTTOK:central:TMPump2-Acceleration
-ISTTOK:central:TTSystem-tzero
-ISTTOK:central:Emergency-PhysButton
-ISTTOK:central:PCF8574:56:REGISTER:READ
-ISTTOK:central:PCF8574:57:REGISTER:READ
-ISTTOK:central:PCF8574:60:REGISTER:READ
-ISTTOK:central:PCF8574:61:REGISTER:READ
-ISTTOK:central:SEEED4RELAY:17:REGISTER:READ
-ISTTOK:central:SEEED4RELAY:18:REGISTER:READ
-ISTTOK:central:SEEED4RELAY:19:REGISTER:READ
 ISTTOK:central:CurrentTime
+ISTTOK:central:PCF8591:72:DAC
+ISTTOK:central:TDA8444:32:DAC_CH0
+ISTTOK:central:TDA8444:32:DAC_CH1
+ISTTOK:central:TDA8444:32:DAC_CH2
+ISTTOK:central:TDA8444:32:DAC_CH3
+ISTTOK:central:TDA8444:32:DAC_CH4
+ISTTOK:central:TDA8444:32:DAC_CH5
+ISTTOK:central:TDA8444:32:DAC_CH6
+ISTTOK:central:Shot-TorPSCurrent
+ISTTOK:SR_0_State
+ISTTOK:SR_1_State
+ISTTOK:SR_2_State
+ISTTOK:SR_3_State
+ISTTOK:SR_4_State
+ISTTOK:SR_5_State
+ISTTOK:SR_6_State
+ISTTOK:SR_7_State
+ISTTOK:SR_disableMaxSecs
 ISTTOK:central:OPCALCSTATE
 ISTTOK:central:STARTCALCSTATE
 ISTTOK:central:STOPPINGCALCSTATE
@@ -32,6 +33,71 @@ ISTTOK:central:VVessel-Pressure
 ISTTOK:central:RPump1-Pressure
 ISTTOK:central:TMPump1-PressureAdmission
 ISTTOK:central:RPump2-Pressure
+ISTTOK:central:UPS-OnBattery
+ISTTOK:central:UPS-Shutdown
+ISTTOK:central:OPREQ
+ISTTOK:central:CLEANINGMANMODE
+ISTTOK:central:FSTriggerStart
+ISTTOK:central:PROCESS-MODE
+ISTTOK:central:PROCESS-REQ
+ISTTOK:central:AUTHORISATION
+ISTTOK:central:TMPump1-ControllerOn
+ISTTOK:central:TMPump1-ControllerOff
+ISTTOK:central:TMPump1-MotorOn
+ISTTOK:central:TMPump1-MotorOff
+ISTTOK:central:TMPump2-Motor
+ISTTOK:central:Emergency-UserButton
+ISTTOK:central:RPump1-Motor
+ISTTOK:central:RPump1-Valve
+ISTTOK:central:RPump2-Motor
+ISTTOK:central:RPump2-Valve
+ISTTOK:central:VVessel-Filament
+ISTTOK:central:ELCO-Enable
+ISTTOK:central:Shot-TorPSTrigger
+ISTTOK:central:GasIS-Valves
+ISTTOK:central:TMPump1-ManualValve
+ISTTOK:central:Clean-PrimPneuBreaker
+ISTTOK:central:CapBank-Discharge
+ISTTOK:central:Clean-TorPneuBreaker
+ISTTOK:central:Clean-PrimContactor
+ISTTOK:central:Clean-TorContactor
+ISTTOK:central:CapBank-Charge
+ISTTOK:central:Buzzer
+ISTTOK:central:Shot-TorPSDisable
+ISTTOK:central:Lab-WarningLight
+ISTTOK:SR_heartbeat
+ISTTOK:SR_i_am_alive
+ISTTOK:SR_deadIfZero
+ISTTOK:SR_disable
+ISTTOK:central:TMPump1-Power
+ISTTOK:central:TMPump1-Emergency
+ISTTOK:central:TMPump1-Acceleration
+ISTTOK:central:TMPump1-NormalOperation
+ISTTOK:central:TMPump2-Emergency
+ISTTOK:central:TMPump2-Acceleration
+ISTTOK:central:TTSystem-tzero
+ISTTOK:central:Emergency-PhysButton
+ISTTOK:central:PCF8574:56:REGISTER:READ:FNOUT
+ISTTOK:central:PCF8574:57:REGISTER:READ:FNOUT
+ISTTOK:marte2:ADC0S
+ISTTOK:central:TMPump2-Speed
+ISTTOK:central:TMPump2-Current
+ISTTOK:central:Shot-TorPSCurrentImage
+ISTTOK:central:PCF8574:56:REGISTER:READ
+ISTTOK:central:PCF8574:57:REGISTER:READ
+ISTTOK:central:PCF8574:60:REGISTER:READ
+ISTTOK:central:PCF8574:61:REGISTER:READ
+ISTTOK:central:SEEED4RELAY:17:REGISTER:READ
+ISTTOK:central:SEEED4RELAY:18:REGISTER:READ
+ISTTOK:central:SEEED4RELAY:19:REGISTER:READ
+ISTTOK:central:PCF8574:56:REGISTER
+ISTTOK:central:PCF8574:57:REGISTER
+ISTTOK:central:PCF8574:60:REGISTER
+ISTTOK:central:PCF8574:61:REGISTER
+ISTTOK:central:PCF8591:72:CTRLREGISTER
+ISTTOK:central:SEEED4RELAY:17:REGISTER
+ISTTOK:central:SEEED4RELAY:18:REGISTER
+ISTTOK:central:SEEED4RELAY:19:REGISTER
 ISTTOK:central:TraceMessage
 ISTTOK:central:LogMessage
 ISTTOK:central:RS485Debug
@@ -64,39 +130,6 @@ ISTTOK:SR_6_Time
 ISTTOK:SR_7_Name
 ISTTOK:SR_7_StatusStr
 ISTTOK:SR_7_Time
-ISTTOK:central:PCF8591:72:DAC
-ISTTOK:central:TDA8444:32:DAC_CH0
-ISTTOK:central:TDA8444:32:DAC_CH1
-ISTTOK:central:TDA8444:32:DAC_CH2
-ISTTOK:central:TDA8444:32:DAC_CH3
-ISTTOK:central:TDA8444:32:DAC_CH4
-ISTTOK:central:TDA8444:32:DAC_CH5
-ISTTOK:central:TDA8444:32:DAC_CH6
-ISTTOK:central:Shot-TorPSCurrent
-ISTTOK:SR_0_State
-ISTTOK:SR_1_State
-ISTTOK:SR_2_State
-ISTTOK:SR_3_State
-ISTTOK:SR_4_State
-ISTTOK:SR_5_State
-ISTTOK:SR_6_State
-ISTTOK:SR_7_State
-ISTTOK:SR_disableMaxSecs
-ISTTOK:central:PCF8574:56:REGISTER
-ISTTOK:central:PCF8574:57:REGISTER
-ISTTOK:central:PCF8574:60:REGISTER
-ISTTOK:central:PCF8574:61:REGISTER
-ISTTOK:central:PCF8591:72:CTRLREGISTER
-ISTTOK:central:SEEED4RELAY:17:REGISTER
-ISTTOK:central:SEEED4RELAY:18:REGISTER
-ISTTOK:central:SEEED4RELAY:19:REGISTER
-ISTTOK:central:TMPump1-ControllerOnInv
-ISTTOK:central:TMPump1-ControllerOffInv
-ISTTOK:central:TMPump1-MotorOnInv
-ISTTOK:central:TMPump1-MotorOffInv
-ISTTOK:central:Shot-TorPSTriggerInv
-ISTTOK:central:REGISTER61-BLINK
-ISTTOK:central:REGISTER56-BLINK
 ISTTOK:central:OPSTATE
 ISTTOK:central:LASTOPSTATE
 ISTTOK:central:STARTINGSTATE
@@ -113,44 +146,11 @@ ISTTOK:SR_4_Status
 ISTTOK:SR_5_Status
 ISTTOK:SR_6_Status
 ISTTOK:SR_7_Status
-ISTTOK:central:UPS-OnBattery
-ISTTOK:central:UPS-Shutdown
-ISTTOK:central:OPREQ
-ISTTOK:central:CLEANINGMANMODE
-ISTTOK:central:FSTriggerStart
-ISTTOK:central:PROCESS-MODE
-ISTTOK:central:PROCESS-REQ
-ISTTOK:central:AUTHORISATION
-ISTTOK:central:TMPump1-ControllerOn
-ISTTOK:central:TMPump1-ControllerOff
-ISTTOK:central:TMPump1-MotorOn
-ISTTOK:central:TMPump1-MotorOff
-ISTTOK:central:TMPump2-Motor
-ISTTOK:central:Emergency-UserButton
-ISTTOK:central:RPump1-Motor
-ISTTOK:central:RPump1-Valve
-ISTTOK:central:RPump2-Motor
-ISTTOK:central:RPump2-Valve
-ISTTOK:central:VVessel-Filament
-ISTTOK:central:Shot-TorPSTrigger
-ISTTOK:central:GasIS-Valves
-ISTTOK:central:TMPump1-ManualValve
-ISTTOK:central:Clean-PrimPneuBreaker
-ISTTOK:central:CapBank-Discharge
-ISTTOK:central:Clean-TorPneuBreaker
-ISTTOK:central:Clean-PrimContactor
-ISTTOK:central:Clean-TorContactor
-ISTTOK:central:CapBank-Charge
-ISTTOK:central:Buzzer
-ISTTOK:central:Shot-TorPSDisable
-ISTTOK:central:Lab-WarningLight
-ISTTOK:SR_heartbeat
-ISTTOK:SR_i_am_alive
-ISTTOK:SR_deadIfZero
-ISTTOK:SR_disable
-ISTTOK:central:TMPump2-Speed
-ISTTOK:central:TMPump2-Current
-ISTTOK:central:Shot-TorPSCurrentImage
+ISTTOK:marte2:STATUS
+ISTTOK:marte2:COMMAND
+ISTTOK:marte2:RESET
+ISTTOK:marte2:TIME
+ISTTOK:marte2:COUNTER
 ISTTOK:central:PCF8591:72:ADC_CH1
 ISTTOK:central:PCF8591:72:ADC_CH2
 ISTTOK:central:PCF8591:72:ADC_CH3
@@ -162,3 +162,12 @@ ISTTOK:central:P003:M
 ISTTOK:central:P003:E
 ISTTOK:central:P004:M
 ISTTOK:central:P004:E
+ISTTOK:marte2:HIST-IDLE-CT
+ISTTOK:marte2:HIST-RUN-CT
+ISTTOK:central:TMPump1-ControllerOnInv
+ISTTOK:central:TMPump1-ControllerOffInv
+ISTTOK:central:TMPump1-MotorOnInv
+ISTTOK:central:TMPump1-MotorOffInv
+ISTTOK:central:Shot-TorPSTriggerInv
+ISTTOK:central:REGISTER61-BLINK
+ISTTOK:central:REGISTER56-BLINK