diff --git a/POCloud/advvfdipp.py b/POCloud/advvfdipp.py
index 12cb567..c746c12 100644
--- a/POCloud/advvfdipp.py
+++ b/POCloud/advvfdipp.py
@@ -1,4 +1,4 @@
-
+"""Max Water System driver code."""
 import threading
 import time
 from random import randint
@@ -6,35 +6,41 @@ from Channel import write_tag, read_tag
 from device_base import deviceBase
 
 PLC_IP_ADDRESS = "192.168.1.10"
+WATCHDOG_SEND_PERIOD = 3600  # seconds
+
 
 class start(threading.Thread, deviceBase):
+    """Driver class."""
+
     def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None, companyId=None, offset=None, mqtt=None, Nodes=None):
+        """Initialize the driver."""
         threading.Thread.__init__(self)
         deviceBase.__init__(self, name=name, number=number, mac=mac, Q=Q, mcu=mcu, companyId=companyId, offset=offset, mqtt=mqtt, Nodes=Nodes)
 
         self.daemon = True
-        self.version = ""
+        self.version = "7"
         self.finished = threading.Event()
         threading.Thread.start(self)
 
-    # this is a required function for all drivers, its goal is to upload some piece of data
-    # about your device so it can be seen on the web
     def register(self):
+        """Required function for all drivers, its goal is to upload some piece of data about your device so it can be seen on the web."""
         self.channels["status"]["last_value"] = ""
 
     def run(self):
+        """Run the driver."""
         watchdog = self.advvfdipp_watchdog()
         self.sendtodbDev(1, 'watchdog', watchdog, 0)
-        # print("SENDING WATCHDOG: {}".format(watchdog))
+        watchdog_send_timestamp = time.time()
         watchdog_loops = 0
         watchdog_check_after = 5000
+
         while True:
             watchdog_loops += 1
             if (watchdog_loops >= watchdog_check_after):
                 test_watchdog = self.advvfdipp_watchdog()
-                if test_watchdog != watchdog:
+                if test_watchdog != watchdog or (time.time() - watchdog_send_timestamp) > WATCHDOG_SEND_PERIOD:
                     self.sendtodbDev(1, 'watchdog', test_watchdog, 0, 'advvfdipp')
-                    # print("SENDING WATCHDOG: {}".format(test_watchdog))
+                    watchdog_send_timestamp = time.time()
                     watchdog = test_watchdog
                 watchdog_loops = 0
 
diff --git a/POCloud/config.txt b/POCloud/config.txt
index dd2aece..281f78d 100644
--- a/POCloud/config.txt
+++ b/POCloud/config.txt
@@ -3,7 +3,7 @@
 "driverFileName":"advvfdipp.py",
 "deviceName":"advvfdipp",
 "driverId":"0100",
-"releaseVersion":"6",
+"releaseVersion":"7",
 "files": {
 	"file1":"advvfdipp.py",
 	"file2":"modbusMap.p",