diff --git a/src/slu-delay-calculator.py b/src/slu-delay-calculator.py
index 1946a100abadd979ad5e3d04d12527c06b226c55..6dd37dd805fce2e2510a4a98ed83a0bf060c9b54 100644
--- a/src/slu-delay-calculator.py
+++ b/src/slu-delay-calculator.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python 
+#!/usr/bin/python3
 
 
 import PyTango
@@ -9,18 +9,18 @@ from PyQt4.QtGui import *
 import time
 import sys
 
-selettore = PyTango.DeviceProxy("sl/laser/calendar_sl.01").activityNum
+selettore = PyTango.DeviceProxy("srv-tango-srf-01:20000/sl/laser/calendar_sl.01").activityNum
 
 devprodic = {}
-devprodic["trls4"] = PyTango.DeviceProxy("sl/motor/trls_sl.04")
-devprodic["trls8"] = PyTango.DeviceProxy("sl/motor/trls_sl.08")
-devprodic["triggerEVR"] = PyTango.DeviceProxy("ec-sl-slpsr-01/evr/ff100000")
-devprodic["triggerS1"] = PyTango.DeviceProxy("sl/delay/dgq_slpsr.02")
-devprodic["triggerS2"] = PyTango.DeviceProxy("sl/delay/dgq_slpsr.01")
-devprodic["tmu"] = PyTango.DeviceProxy("sl/timing/tmu_sl.01")
-devprodic["minimizzatore_correlazione"] = PyTango.DeviceProxy("f/optimization/optimizer_sldelay_f.01")
-devprodic["feedbackelite1"] = PyTango.DeviceProxy("sl/feedback/rtltf_osc.02")
-devprodic["totemdelay"] = PyTango.DeviceProxy("slu/motor/trls_slu.05")
+devprodic["trls4"] = PyTango.DeviceProxy("srv-tango-srf-01:20000/sl/motor/trls_sl.04")
+devprodic["trls8"] = PyTango.DeviceProxy("srv-tango-srf-01:20000/sl/motor/trls_sl.08")
+devprodic["triggerEVR"] = PyTango.DeviceProxy("srv-tango-srf-01:20000/ec-sl-slpsr-01/evr/ff100000")
+devprodic["triggerS1"] = PyTango.DeviceProxy("srv-tango-srf-01:20000/sl/delay/dgq_slpsr.02")
+devprodic["triggerS2"] = PyTango.DeviceProxy("srv-tango-srf-01:20000/sl/delay/dgq_slpsr.01")
+devprodic["tmu"] = PyTango.DeviceProxy("srv-tango-srf-01:20000/sl/timing/tmu_sl.01")
+devprodic["minimizzatore_correlazione"] = PyTango.DeviceProxy("srv-tango-srf-01:20000/f/optimization/optimizer_sldelay_f.01")
+devprodic["feedbackelite1"] = PyTango.DeviceProxy("srv-tango-srf-01:20000/sl/feedback/rtltf_osc.02")
+devprodic["totemdelay"] = PyTango.DeviceProxy("srv-tango-srf-01:20000/slu/motor/trls_slu.05")
 # imposto subito velocita` 100 per salvare tempo procedura
 devprodic["trls8"].write_attribute("Speed", [-100])
 devprodic["trls4"].write_attribute("Speed", [100])