Some fixes before the FAT

- Refactored inverter Heartbeat check
- Added SafetyComError on EtherCAT checking
- Adjusted lower pressure value for safety plc from 200 mBar to 300mBar

StringSafetyPLC/Multi Setting.sms

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<MultiSetting Crc="3644276170" Version="1.2">
+<MultiSetting Crc="3276432870" Version="1.2">
   <ProjectData>
     <Id>1</Id>
     <TargetSystem>
@@ -154,9 +154,6 @@
       <SubType>EL2912</SubType>
       <ObjectId>50462856</ObjectId>
       <SafeAddress>28</SafeAddress>
-      <Customizing>
-        <Group Id="87605930-f4c2-4c12-816d-f0103cb2103d" Value="2" />
-      </Customizing>
     </TargetSystem>
     <SafetyAliasDevice>
       <SdsId>36</SdsId>