Added scripts/fan_controller.py - fan control

scripts/example.py

@@ -1,7 +0,0 @@
-
-from src.variables.service import get_variables
-#modules example import: from src.modules.RTD8.service import read_temp
-
-def test_function():
-    print("Example script")
-    print(f"variables: {" | ".join(get_variables())}")

scripts/fan_controller.py

@@ -0,0 +1,57 @@
+from src.variables.service import get_variable, set_variable
+from src.modules.RTD8.service import read_temp
+from src.modules.IndustrialAutomation.service_analog import read_0_10_out, set_0_10_out
+
+fans = [
+    {
+        "inputs": [
+            {
+                "stack": 1,
+                "channel": 1
+            },
+            {
+                "stack": 1,
+                "channel": 2
+            }
+        ],
+        "temp_min": 40, #minimum temp for fan_min
+        "temp_max": 70, #maximum temp for fan_max
+        "fan_min": 0,   #fan minimum 0-10V set
+        "fan_max": 10,  #fan maximum 0-10V set
+        "output_stack": 0,  #stack card
+        "output_channel": 2 #card channel
+    }
+]
+
+
+def max_temp(channels: list) -> float:
+    temp: float = 0
+    for channel in channels:
+        temp_ch = read_temp(stack=channel["stack"], channel=channel["channel"])
+        if temp < temp_ch:
+            temp = temp_ch
+    
+    return temp
+
+
+def fan_control():
+    for fan in fans:
+        temp = max_temp(fan["inputs"])
+
+        if temp > fan["temp_max"]:
+            set_0_10_out(stack=fan["output_stack"], channel=fan["output_channel"], value=10)
+        elif temp < fan["temp_min"]:
+            set_0_10_out(stack=fan["output_stack"], channel=fan["output_channel"], value=0)
+        else:
+            temp_calc = temp - fan["temp_min"]
+            temp_max_calc = fan["temp_max"] - fan["temp_min"]
+            calc_out = round(temp_calc / temp_max_calc, 4) * 10
+            set_0_10_out(stack=fan["output_stack"], channel=fan["output_channel"], value=calc_out)
+
+        
+
+
+
+
+
+

scripts/speed_controller.py

@@ -0,0 +1,136 @@
+from src.variables.service import get_variable, set_variable
+from src.modules.IndustrialAutomation.service_analog import read_0_10_out, set_0_10_out
+
+#variables names
+variable_control_channel: str = "speed_controller_channel"
+variable_control_stack: str = "speed_controller_stack"
+#variables rpm
+variable_actual_rpm: str = "actual_rpm"
+variable_requested_rpm: str = "requested_rpm"
+#variables limits
+variable_max_rpm: str = "max_rpm"
+variable_max_U: str = "max_U"
+#variables controling step
+variable_control_step_U: str = "control_step_U"
+variable_control_step_rpm: str = "control_step_rpm"
+variable_control_step_U_1: str = "control_step_U_1"
+variable_control_step_rpm_1: str = "control_step_rpm_1"
+variable_control_step_U_2: str = "control_step_U_2"
+variable_control_step_rpm_2: str = "control_step_rpm_2"
+variable_control_step_U_3: str = "control_step_U_3"
+variable_control_step_rpm_3: str = "control_step_rpm_3"
+
+#init variables in variables system
+if get_variable(variable_actual_rpm) == None:
+    set_variable(variable_actual_rpm, 0, True)
+
+if get_variable(variable_requested_rpm) == None or int(get_variable(variable_requested_rpm)) != 0:
+    set_variable(variable_requested_rpm, 0, True)
+
+if get_variable(variable_max_rpm) == None:
+    set_variable(variable_max_rpm, 1900, True)
+
+if get_variable(variable_max_U) == None:
+    set_variable(variable_max_U, 8, True)
+
+if get_variable(variable_control_step_U) == None:
+    set_variable(variable_control_step_U, 0.1, True)
+
+if get_variable(variable_control_step_rpm) == None:
+    set_variable(variable_control_step_rpm, 200, True)
+
+if get_variable(variable_control_step_U_1) == None:
+    set_variable(variable_control_step_U_1, 0.003, True)
+
+if get_variable(variable_control_step_rpm_1) == None:
+    set_variable(variable_control_step_rpm_1, 80, True)
+
+if get_variable(variable_control_step_U_2) == None:
+    set_variable(variable_control_step_U_2, 0.0005, True)
+
+if get_variable(variable_control_step_rpm_2) == None:
+    set_variable(variable_control_step_rpm_2, 20, True)
+
+if get_variable(variable_control_step_U_3) == None:
+    set_variable(variable_control_step_U_3, 0.0001, True)
+
+if get_variable(variable_control_step_rpm_3) == None:
+    set_variable(variable_control_step_rpm_3, 1, True)
+
+if get_variable(variable_control_stack) == None:
+    set_variable(variable_control_stack, 0, True)
+
+if get_variable(variable_control_channel) == None:
+    set_variable(variable_control_channel, 1, True)
+
+
+# set rpm control output
+def set_output(value: float):
+    if value < float(get_variable(variable_max_U)):
+        set_0_10_out(stack=int(get_variable(variable_control_stack)), channel=int(get_variable(variable_control_channel)), value=value)
+
+
+#control RPM
+def rpm_control():
+    actual_rpm = float(get_variable(variable_actual_rpm))
+    requested_rpm = float(get_variable(variable_requested_rpm))
+    actual_set_U = read_0_10_out(stack=int(get_variable(variable_control_stack)), channel=int(get_variable(variable_control_channel)))
+
+    #slow down rotating if over maximum
+    if actual_rpm > float(get_variable(variable_max_rpm)):
+        set_output(actual_set_U - 1)
+        return
+    
+    #algorithm for RPM control
+    if (requested_rpm - float(get_variable(variable_control_step_rpm))) < actual_rpm < (requested_rpm + float(get_variable(variable_control_step_rpm))):
+        if requested_rpm < actual_rpm:
+            set_output(actual_set_U - float(get_variable(variable_control_step_U)))
+        elif requested_rpm > actual_rpm:
+            set_output(actual_set_U + float(get_variable(variable_control_step_U)))
+        return
+    
+    if (requested_rpm - float(get_variable(variable_control_step_rpm_1))) < actual_rpm < (requested_rpm + float(get_variable(variable_control_step_rpm_1))):
+        if requested_rpm < actual_rpm:
+            set_output(actual_set_U - float(get_variable(variable_control_step_U_1)))
+        elif requested_rpm > actual_rpm:
+            set_output(actual_set_U + float(get_variable(variable_control_step_U_1)))
+        return
+    
+    if (requested_rpm - float(get_variable(variable_control_step_rpm_2))) < actual_rpm < (requested_rpm + float(get_variable(variable_control_step_rpm_2))):
+        if requested_rpm < actual_rpm:
+            set_output(actual_set_U - float(get_variable(variable_control_step_U_2)))
+        elif requested_rpm > actual_rpm:
+            set_output(actual_set_U + float(get_variable(variable_control_step_U_2)))
+        return
+    
+    if (requested_rpm - float(get_variable(variable_control_step_rpm_3))) < actual_rpm < (requested_rpm + float(get_variable(variable_control_step_rpm_3))):
+        if requested_rpm < actual_rpm:
+            set_output(actual_set_U - float(get_variable(variable_control_step_U_3)))
+        elif requested_rpm > actual_rpm:
+            set_output(actual_set_U + float(get_variable(variable_control_step_U_3)))
+        return
+
+    
+    
+    
+    
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

scripts/timer.py

@@ -4,14 +4,20 @@ from apscheduler.triggers.cron import CronTrigger
 import os
 
 
-
 scheduler = BackgroundScheduler()
 if bool(os.getenv("BACKGROUND_SCRIPTS_RUN", 0)):
     print("run")
     scheduler.start()
 
 
-#example
+#control speed
-from scripts.example import test_function
+from scripts.speed_controller import rpm_control
-scheduler.add_job(test_function, trigger=IntervalTrigger(seconds=60))
+scheduler.add_job(rpm_control, trigger=IntervalTrigger(seconds=0.2))
-#end example
+
+#control fans
+from scripts.fan_controller import fan_control
+scheduler.add_job(fan_control, trigger=IntervalTrigger(minutes=1))
+
+
+
+