Communication Protocols
Copyright IXXAT Automation GmbH
121
IEM Manual, 1.5
5.3.16.3 Read a remote SDO connection
To address the object data that shall be read, index and subindex of the ad-
dressed object have to be specified. The read result or possible abort codes
are signaled to the application by means of events.
5.3.16.4 Write remote data
To address the object data that shall be written, index and subindex of the ad-
dressed object have to be specified. The result or possible abort codes are
signaled to the application by means of events. The maximum size for a re-
mote data transfer is limited by the corresponding mailbox settings.
5.3.17 Mailbox service
The IEM supports the AoE, EoE and FoE mailbox services described at
[ETC1].
5.3.18 LEDs
The following LEDs are used by the IEM’s EtherCAT implementation:
Module LEDs (outside the RJ45 connectors):
LED1 (upper LED)
2
:
Color
Mode
Status
-
off
device state INIT
green
blinking
device state PRE-OPERATIONAL
green
single flash
device state SAFE-OPERATIONAL
green
on
device state OPERATIONAL
red
on
ERROR
LED2 (lower LED):
Color
Mode
Status
-
off
IEM not initialized
green
on
power up, module running
red
on
critical system failure
2
For further information, please refer to the EtherCAT indicator and labeling specification [ETC2]