AXL E EC DI8 DO8 M12 6P

8540_en_03

PHOENIX CONTACT

21

13.2

AL Status Code Register

If the state transition requested by the master is not possible, then the slave sets an error flag in the AL status register (bit 4)

and writes an error code to the AL status code register.

AL status code

(hex)

Description

State or transi-

tion

Resulting state

0000

No error

Any

Current state

0001

Unspecified error

Any

Any + E

0011

Invalid requested state change

I→S, I→O, P→O

O→B, S→B, P→B

Current state + E

0012

Unknown requested state

Any

Current state + E

0015

Invalid Mailbox Configuration for Bootstrap

I→BI + E

0016

Invalid Mailbox Configuration for Pre-Opera-

tional State

I→PI + E

0017

Invalid Sync Manager Configuration

P→S, S→O

Current state + E

001B

Sync Manager Watchdog

O, S

S + E

001D

Invalid output configuration

O, S

P→S

S + E

P + E

001E

Invalid input configuration

O, S, P→SP + E