equal
deleted
inserted
replaced
340 blockName = block.Type |
340 blockName = block.Type |
341 return blockName |
341 return blockName |
342 |
342 |
343 # This method check the IEC 61131-3 compatibility between two SFC blocks |
343 # This method check the IEC 61131-3 compatibility between two SFC blocks |
344 def BlockCompatibility(self, startblock = None, endblock = None, direction = None): |
344 def BlockCompatibility(self, startblock = None, endblock = None, direction = None): |
345 if startblock != None and endblock != None and (isinstance(startblock, SFC_Objects)\ |
345 if startblock is not None and endblock is not None and (isinstance(startblock, SFC_Objects)\ |
346 or isinstance(endblock, SFC_Objects)): |
346 or isinstance(endblock, SFC_Objects)): |
347 # Full "SFC_StandardRules" table would be symmetrical and |
347 # Full "SFC_StandardRules" table would be symmetrical and |
348 # to avoid duplicate records and minimize the table only upper part is defined. |
348 # to avoid duplicate records and minimize the table only upper part is defined. |
349 if (direction == SOUTH or direction == EAST): |
349 if (direction == SOUTH or direction == EAST): |
350 startblock, endblock = endblock, startblock |
350 startblock, endblock = endblock, startblock |