(Modbus): немного подправил вывод логов и ошибок связи

extensions/ModbusMaster/MBExchange.cc

@@ -1095,7 +1095,7 @@ void MBExchange::updateRSProperty( RSProperty* p, bool write_only )
 		return;
 
 	if( dlog.debugging(Debug::LEVEL3) )
-		dlog[Debug::LEVEL3] << "updateP: sid=" << p->si.id 
+		dlog[Debug::LEVEL3] << myname << "(updateP): sid=" << p->si.id 
 				<< " mbval=" << r->mbval 
 				<< " vtype=" << p->vType
 				<< " rnum=" << p->rnum

src/Communications/Modbus/ModbusTCPMaster.cc

@@ -173,8 +173,9 @@ mbErrCode ModbusTCPMaster::query( ModbusAddr addr, ModbusMessage& msg,
 				if( dlog.debugging(Debug::INFO) )
 					dlog[Debug::INFO] << "(ModbusTCPMaster::query): ret=" << (int)ret
 							<< " < rmh=" << (int)sizeof(rmh)
-							<< " err: " << tcp->getErrorNumber()
+							<< " errnum: " << tcp->getErrorNumber()
 							<< " perr: " << tcp->getPeer(&port)
+							<< " err: " << string(tcp->getErrorString())
 							<< endl;
 							
 				disconnect();