Coding of PNIO status

The PNIO status is a 32 bit unsigned value. It is composed of 4 byte values, which define the meaning of the status. For positive responses PNIO status has a value of zero.

Bit Meaning

24-31

ErrorCode

16-23

ErrorDecode

8-15

ErrorCode1

0-7

ErrorCode2

Table 7-5: Coding of PNIO status for negative responses

ErrorCode Meaning

DB

Error in connect response

DC

Error in release response

DD

Error in control response

DF

Error in write response

Table 7-6: Meaning of ErrorCode for negative responses

ErrorDecode Meaning

80

Read/Write service

81

Connect, Control, Release service

Table 7-7: Meaning of ErrorDecode for negative responses

ErrorCode1 Meaning

A1

write error

A2

module failure

A3-A6

reserved

A7

busy

A8

version conflict

A9

feature not supported

AA-AF

device specific

B0

invalid index

B1

write length error

B2

invalid slot/subslot

B3

type conflict

B4

invalid area/API

B5

state conflict

B6

access denied

B7

invalid range

B8

invalid parameter

B9

invalid type

BA

backup

BB-BF

device specific

C0

read constrain conflict

C1

write constrain conflict

C2

resource busy

C3

resource unavailable

C4-C7

reserved

C8-CF

device specific

Table 7-8: Meaning of ErrorCode1 for ErrorDecode = 80

ErrorCode1 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)

Table 7-9: Meaning of ErrorCode1 for ErrorDecode = 81

ErrorCode1 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

Table 7-10: Meaning of ErrorCode2 for ErrorCode1 = 40

For ErrorCode1 <> 40 ErrorCode2 refers to a field in the block specified by ErrorCode1.

ErrorCode2 Meaning

00

Block type

01

Block length

02

Block version (high byte)

03

Block version (low byte)

Table 7-11: Meaning of ErrorCode2 for ErrorCode1 <> 40

ErrorCode2 Meaning

04

AR Type

05

AR UUID

06

Session key

07

Initiator MAC addressClosedA 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 RT port

0C

Station name length

0D

Station name

Table 7-12: Meaning of ErrorCode2 for ErrorCode1 = 01 (AR block request)

ErrorCode2 Meaning

04

IOCR Type

05

Reference

06

LT

07

IOCR properties

08

IO data length

09

FrameClosedIn 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

20

Slot

21

Subslot

22

IOCS offset

Table 7-13: Meaning of ErrorCode2 for ErrorCode1 = 02 (IOCR block request)

ErrorCode2 Meaning

04

Number of APIs

05

API

06

Slot

07

Module ident number

08

Module properties

09

Number of submodules

0A

Subslot

0B

Submodule ident number

0C

Submodule properties

0D

Data description

0E

Data length

0F

IOPS length

10

IOCS length

Table 7-14: Meaning of ErrorCode2 for ErrorCode1 = 03 (Expected submodule block request)

ErrorCode2 Meaning

04

Type

05

LT

06

AlarmCR Properties

07

RTA timeout factor

08

RTA retries

09

Local alarm reference

0A

Maximum alarm data length

0B

Alarm CRT Tag high

0C

Alarm CRT Tag low

Table 7-15: Meaning of ErrorCode2 for ErrorCode1 = 04 (AlarmCR block request)

ErrorCode2 Meaning

04

Sequence number

05

AR UUID

06

API

07

Slot number

08

Subslot number

09

Padding

0A

Index

0B

Data length

0C

Target AR UUID

Table 7-16: Meaning of ErrorCode2 for ErrorCode1 = 8 (Read/write record block request)

ErrorCode2 Meaning

05

Padding

06

Session key

07

Padding

08

Control block command

09

Control block properties

Table 7-17: Meaning of ErrorCode2 for ErrorCode1 = 16 (IOXControl block request)