驱动读写优化，单字段读取异常不影响驱动运行

acs/nladmin-system/nlsso-server/src/main/java/org/nl/acs/device_driver/basedriver/ssx_site/ItemProtocol.java

@@ -54,9 +54,11 @@ public class ItemProtocol {
     public int getTask() {
         return this.getOpcIntegerValue(item_task);
     }
+
     public double getWeight() {
         return this.getOpcFloatValue(item_weight);
     }
+
     public String getSubTray() {
         return this.getOpcStringValue(item_sub_tray);
     }
@@ -106,6 +108,7 @@ public class ItemProtocol {
     Boolean isonline;
 
     public int getOpcIntegerValue(String protocol) {
+        try {
             Integer value = this.driver.getIntegeregerValue(protocol);
             if (value == null) {
                 // log.error(this.getDriver().getDeviceCode() + ":protocol " + protocol + " 信号同步异常!");
@@ -114,19 +117,26 @@ public class ItemProtocol {
                 setIsonline(true);
                 return value;
             }
-        return 0;
+        } catch (Exception e) {
 
         }
+        return 0;
+    }
 
     public String getOpcStringValue(String protocol) {
+        try {
             String value = this.driver.getStringValue(protocol);
             if (value != null) {
                 return value;
             }
+        } catch (Exception e) {
+
+        }
         return "";
     }
 
     public float getOpcFloatValue(String protocol) {
+        try {
             Float value = this.driver.getDoubleValue(protocol);
             if (value == null) {
                 setIsonline(false);
@@ -134,9 +144,11 @@ public class ItemProtocol {
                 setIsonline(true);
                 return value;
             }
-        return 0L;
+        } catch (Exception e) {
 
         }
+        return 0L;
+    }
 
     public static List<ItemDto> getReadableItemDtos() {
         ArrayList list = new ArrayList();
@@ -148,6 +160,11 @@ public class ItemProtocol {
         list.add(new ItemDto(item_sub_tray, "子托盘条码", "DB600.D4"));
         list.add(new ItemDto(item_mother_tray, "母托盘条码", "DB600.D4"));
         list.add(new ItemDto(item_error, "报警信号", "DB600.B5"));
+        list.add(new ItemDto(item_error_code, "超限/称重报警信号", "DB600.B6"));
+        list.add(new ItemDto(item_device_type, "称重信号", "DB600.B7"));
+        list.add(new ItemDto(item_frame_type, "检测框架信号", "DB600.B8"));
+        list.add(new ItemDto(item_mother_type, "母托信号", "DB600.B9"));
+        list.add(new ItemDto(item_sub_type, "子托信号", "DB600.B10"));
         return list;
     }