PROFINET - Error and Status Codes

The PNIO "PROFINET Input / Output" status is a 32-bit unsigned value.

Error Codes and Meanings

Error Decode	Meaning
80	Read/Write service
81	Connect, Control, Release service

Error Code 1	Meaning
01	Connect Parameter Error, Faulty ARBlockReq
02	Connect Parameter Error, Faulty IOCRBlockReq
03	Connect Parameter Error, Faulty ExpectedSubmoduleBlockReq
04	Connect Parameter Error, Faulty AlarmCRBlockReq
05	Connect Parameter Error, Faulty PrmServerBlockReq
06	Connect Parameter Error, Faulty MCRBlockReq
07	Connect Parameter Error, Faulty ARRPCBlockReq
08	Read Write Record Parameter, Error Faulty Record
14	IODControl Parameter Error, Faulty ControlBlockConnect
15	IODControl Parameter Error, Faulty ControlBlockPlug
16	IOXControl Parameter Error , Faulty ControlBlock after a connection establishment
17	IOXControl Parameter Error, Faulty ControlBlock after a plug alarm
28	Release Parameter Error, Faulty ReleaseBlock
40	RMPM (Device state machines, device resources)

Error Code 2	Meaning
00	ArgsLength invalid
01	Unknown Blocks
02	IOCR Missing
03	Wrong AlarmCRBlock count
04	Out of AR Resources
05	AR UUID unknown
06	State conflict
07	Out of Provider, Consumer, or Alarm Resources
08	Out of Memory
09-FF	Reserved

For Error Code 1 <> 40, Error Code 2 refers to a field in the block specified by Error Code 1.

Error Code 2	Meaning
04	AR Type
05	AR UUID
06	Session key
07	Initiator MAC address A Media Access Control address (MAC address) is a quasi-unique identifier assigned to most network adapters or network interface cards (NICs) by the manufacturer for identification. If assigned by the manufacturer, a MAC address usually encodes the manufacturer's registered identification number
08	Initiator Object UUID
09	AR Properties
0A	Activity timeout factor
0B	UDP "User Datagram Protocol" RT port
0C	Station name length
0D	Station name

Error Code 2	Meaning
04	IOCR Type
05	Reference
06	LT
07	IOCR properties
08	IO data length
09	Frame In networking dialect, a message is called a frame ID
0A	Send clock factor
0B	Reduction ratio
0C	Phase
0D	Sequence
0E	Frame send offset
0F	Watchdog factor
10	Data hold factor
11	Tag header
12	IOCR multicast MAC address
13	Number of APIs
14	API
15	Number of IO data objects
16	Slot
17	Subslot
18	IO data object offset
19	Number of IOCS "Input/Output Consumer States" The consumer is the one who receives the data.
20	Slot
21	Subslot
22	IOCS offset

Error Code 2	Meaning
04	Number of APIs
05	API
06	Slot
07	Module identification number
08	Module properties
09	Number of sub-modules
0A	Subslot
0B	Sub-module identification number
0C	Sub-module properties
0D	Data description
0E	Data length
0F	IOPS "Input/Output Provider States" The provider is the device who sends the payload, regardless of their role (controller or device). length
10	IOCS length