More information about Advantech - Adam modules

# Central Start
# -------------------------------------------
class Globals:
  pass

globals=Globals()

from adam6060 import * #Adam6060.py must be in the Python directory

try:
  globals.io=Adam6060('10.0.0.1')
except:
  print 'No connection'
  globals.IoOK=0
else:
  print 'Adam connected'
  globals.IoOK=1
  #Read Digital Input 0
  ok,txt,val=globals.io.ReadDI(0)
  globals.Cur=val
  #Reset all output relays
  #ResetOutputRelays()

# Central Stop
# ------------------------------------------
io.close()

def IsTrigger():
# ------------------------------------------
  if globals.IoOK:
    try:
      ok,txt,val=globals.io.ReadDI(0)
      if ok==0:
        globals.IoOK=0
        print 'lost connection to Adam'
      else:
        RisingEdge=val-globals.Cur
        globals.Cur=val
        if RisingEdge==1:
          print 'trigger detected'
          ResetOutputRelays()
          ExecuteCmd('GrabExecute','')

    except:
      globals.IoOK=0
      print 'lost connection to Adam'

  if not globals.IoOK:
    ReconnectAdam(1)

def ReconnectAdam(a):
# ------------------------------------------
  try:
    globals.io=Adam6060('10.0.0.1')
    print 'try to connect'
  except:
    print ' No connection with Adam6060'
    globals.IoOK=0
  else:
    globals.IoOK=1
    print ' Adam reconnected ','IoOK=',globals.IoOK

  if globals.IoOK==1:
    if a == 0:
      ResetOutputRelays()
    if a == 1:
      IsTrigger()
    if a == 2:
      SetOutputRelays()

def ResetOutputRelays():
# ------------------------------------------
  if globals.IoOK:
    try:
      ok,txt,msg=globals.io.WriteRelay(0,0)
      ok,txt,msg=globals.io.WriteRelay(1,0)
      ok,txt,msg=globals.io.WriteRelay(2,0)
      ok,txt,msg=globals.io.WriteRelay(3,0)
      ok,txt,msg=globals.io.WriteRelay(4,0)
      ok,txt,msg=globals.io.WriteRelay(5,0)
      if ok==0:
        globals.IoOK=0
      else:
        print 'Reset relays, output =0 0 0 0 0 0'
    except:
      globals.IoOK=0

  if not globals.IoOK:
    ReconnectAdam(0)

def SetOutputRelays():
# ------------------------------------------
  a=int(GetValue('Pass1.Value'))
  b=int(GetValue('Fault1.Value'))
  c=int(GetValue('Pass2.Value'))
  d=int(GetValue('Fault2.Value'))
  e=int(GetValue('Pass3.Value'))
  f=int(GetValue('Fault3.Value'))
  if globals.IoOK:
    try:
      ok,txt,msg=globals.io.WriteRelay(0,a)
      ok,txt,msg=globals.io.WriteRelay(1,b)
      ok,txt,msg=globals.io.WriteRelay(2,c)
      ok,txt,msg=globals.io.WriteRelay(3,d)
      ok,txt,msg=globals.io.WriteRelay(4,e)
      ok,txt,msg=globals.io.WriteRelay(5,f)
      if ok==0:
        globals.IoOK=0
      else:
        print 'New relay output',a,b,c,d,e,f
    except:
      print ' cannot connect'
      globals.IoOK=0
      
  if not globals.IoOK:
    ReconnectAdam(2)