diff --git a/ruoyi-admin/src/main/java/com/ruoyi/schedule/plcRead/util/Tools.java b/ruoyi-admin/src/main/java/com/ruoyi/schedule/plcRead/util/Tools.java
index b76525c..060590b 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/schedule/plcRead/util/Tools.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/schedule/plcRead/util/Tools.java
@@ -1,6 +1,7 @@
 package com.ruoyi.schedule.plcRead.util;
 
 import HslCommunication.BasicFramework.SoftBasic;
+import com.ruoyi.common.domain.SendData;
 
 import java.io.Serializable;
 import java.nio.charset.StandardCharsets;
@@ -359,6 +360,29 @@ public class Tools implements Serializable {
         return df.format(t);
     }
 
+    /**
+     * 下发到PLC的反馈字节
+     */
+    public static byte[] sendData(SendData... list) {
+        byte[][] values = new byte[list.length][0];
+        for (int i = 0; i < list.length; i++) {
+            byte[] bytes = Tools.intToBytes(list[i].getNum2(), list[i].getNum());
+            //System.out.println(bytes.length);
+            values[i] = bytes;
+        }
+        int length_byte = 0;
+        for (byte[] value : values) {
+            length_byte += value.length;
+        }
+        byte[] all_byte = new byte[length_byte];
+        int countLength = 0;
+        for (byte[] b : values) {
+            System.arraycopy(b, 0, all_byte, countLength, b.length);
+            countLength += b.length;
+        }
+        return all_byte;
+    }
+
     //int 转2字节
     public static byte[] intbyte(int res) {///Java中10进制转byte[]
         byte[] targets = new byte[2];