diff --git a/snippets/test7.py b/snippets/test7.py
new file mode 100644
index 0000000..6ffd206
--- /dev/null
+++ b/snippets/test7.py
@@ -0,0 +1,105 @@
+from pymodbus.client.sync import ModbusSerialClient
+from pymodbus.pdu import ExceptionResponse
+import RS485Ext
+import struct
+import time
+
+def registersToIeeeFloat(i):
+  return struct.unpack('f', bytes(
+                                   [((x & 0xff00) >> 8) if y else (x & 0x00ff) 
+                                     for x in i[::-1] 
+                                     for y in [False, True]
+                                   ]
+                                 )
+                      )[0]
+
+def registersToIeeeFloatReverse(i):
+  return struct.unpack('f', bytes(
+                                   [((x & 0xff00) >> 8) if y else (x & 0x00ff) 
+                                     for x in i 
+                                     for y in [False, True]
+                                   ]
+                                 )
+                      )[0]
+
+class ModbusException(Exception):
+  def __init__(self, resp):
+    self.msg = str(result)
+
+  def __str__(self):
+    return self.msg
+
+
+
+ser=RS485Ext.RS485Ext(port='/dev/ttyAMA0', baudrate=1200, stopbits=1,
+                      timeout=1)
+
+client = ModbusSerialClient(method='rtu')
+client.socket = ser
+client.connect()
+
+delay = 0.05
+
+while True:
+  try:
+    # BG-Tech, Voltage
+    result = client.read_holding_registers(address=0x2000, count=2, unit=1)
+    if type(result) == ExceptionResponse:
+      raise ModbusException(result)
+    print("Voltage: {:.2f}".format(registersToIeeeFloat(result.registers)))
+
+    time.sleep(delay)
+
+    # BG-Tech, Frequency
+    result = client.read_holding_registers(address=0x2020, count=2, unit=1)
+    if type(result) == ExceptionResponse:
+      raise ModbusException(result)
+    print("Frequency: {:.2f}".format(registersToIeeeFloat(result.registers)))
+
+    time.sleep(delay)
+
+    # BG-Tech, Current
+    result = client.read_holding_registers(address=0x2060, count=2, unit=1)
+    if type(result) == ExceptionResponse:
+      raise ModbusException(result)
+    print("Current: {:.2f}".format(registersToIeeeFloat(result.registers)))
+
+    time.sleep(delay)
+
+    # Hottis Thermometer, Resistance Channel 1
+    result = client.read_holding_registers(address=0x0004, count=2, unit=3)
+    if type(result) == ExceptionResponse:
+      raise ModbusException(result)
+    print("Resistance Channel 1: {:.2f}".format(registersToIeeeFloatReverse(result.registers)))
+
+    time.sleep(delay)
+
+    # Hottis Thermometer, Temperature Channel 1
+    result = client.read_holding_registers(address=0x000c, count=2, unit=3)
+    if type(result) == ExceptionResponse:
+      raise ModbusException(result)
+    print("Temperature Channel 1: {:.2f}".format(registersToIeeeFloatReverse(result.registers)))
+
+    time.sleep(delay)
+
+    # Hottis Thermometer, Resistance Channel 2
+    result = client.read_holding_registers(address=0x0014, count=2, unit=3)
+    if type(result) == ExceptionResponse:
+      raise ModbusException(result)
+    print("Resistance Channel 2: {:.2f}".format(registersToIeeeFloatReverse(result.registers)))
+
+    time.sleep(delay)
+
+    # Hottis Thermometer, Temperature Channel 2
+    result = client.read_holding_registers(address=0x001c, count=2, unit=3)
+    if type(result) == ExceptionResponse:
+      raise ModbusException(result)
+    print("Temperature Channel 2: {:.2f}".format(registersToIeeeFloatReverse(result.registers)))
+  except ModbusException as e:
+    print("ERROR: %s" % e)
+
+  print("-------------")
+  time.sleep(10)
+
+client.close()
+