72
Alarm
code
Description
Reasons
Solutions
ESM status after an error is reported: When the
ESM status is Init, PreOP, or SafeOP, the ESM
status remains. Change to SafeOP when the ESM
status is OP
ESC register AL Status Code:0011h
818
No
ESM
required
exception
protection
defined
Receive state transition requirements other than:
1:Request Init State
2:Request Pre-Operational State
3:Request Bootstrap State
4:Request Safe-operational State
8:Request Operational State
ESM status after error reporting: stops at the
current status when the current status isInit, PreOP,
SafeOP, and changes to SafeOP when OP
ESC register AL status code:0012h
Confirm whether the
master station's state
transition request is
correct
819
Boot
status
request exception
protection
Accept the following state transition requirements:
3:Request Bootstrap State
ESM status after error reporting: init
ESC register AL status code:0013h
Confirm whether the
master station's state
transition request is
correct
822
Mailbox setting
exception
protection
The SM0/1 setting value of the mailbox is
incorrect:
The receiving and sending areas of the mailbox
overlap with SM2/3, and the addresses of the
receiving and sending areas are odd.
The starting address of the mailbox is outside the
range
of
SyncManager0:1000h~10ffh
and
syncmanager1:1200h~12ffh
Incorrect setting of SyncManager 0/1 length (ESC
registers: 0802h, 0803h/080ah, 080bh):
SyncManager0: out of the range of 32~256byte
SyncManager1: outside the range of 40~256byte
Incorrect setting of control register (ESC register:
0804h/080ch) of SyncManager 0/1:
Set other than 100110b to 0804h:bit5-0
Set other than 100110b to 080ch:bit5-0
ESM status after error reporting: init
ESC register al status code:0016h
Set
syncmanager
correctly according to
ESI file description
826
Synchronization
error
Invalid synchronization signal
ESC register AL status code:001ah
Check whether the
network
cable
is
disconnected
or
strongly disturbed
827
PDO watchdog
abnormal
protection
During PDO communication (SafeOP or OP
status), bit10 of time 0220 (AL event request) is set
through ESC register addresses 0400 (watchdog
divider) and 0420 (watchdog time process data)
without on.
ESM status after error reporting: Safe OP
Confirm whether the
sending time of PDO
from the upper device is
fixed (interrupted).
Confirm that the PDO
watchdog detection