E1 Series Servo Drive EtherCAT(CoE) Communications Command Manual EtherCAT Communication
2-12 HIWIN MIKROSYSTEM Corp.
2.7 Emergency message
When an error occurs, a slave notifies the master of the emergency message through the mailbox
communication. An emergency message consists of 8 Bytes of data, as Table 2.7.1 shows.
Table 2.7.1
Byte 0 1 2 3 4 5 6 7
Description
Error code
(603Fh)
(L) (H)
Error register
(1001h)
Reserved
The validity or the invalidity of emergency message transmission can be set via 10F3h (diagnosis history).
The default is validity.
Error code: the same value as 603Fh (error code)
Error register: the same value as the one in 1001h (error register)
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