Added inverter startup timeout to GVL_CONFIG and enabled inverter errors

PLC/GVLs/GVL_CONFIG.TcGVL

@@ -257,6 +257,8 @@ VAR_GLOBAL PERSISTENT
 	// Inverter ip address for string 2
 	sInverterIpString2 : STRING := '192.168.42.20';
 	
+	timInverterStartupTimeout : TIME := T#2m;
+	
 	// Absolute shutdown discharge power (Watt)
 	// 12.000 W -> 1.000 W per unit
 	rAbsShutdownDischargePower : REAL := 6_500;