
Appendix C: Technical Specification
120 (136)
C.1.4
ERR LED
This LED indicates EtherCAT communication errors etc.
LED State
Indication
Description
Off
No error
No error (or no power)
Red, blinking
Invalid configuration
State change received from master is not possible
due to invalid register or object settings.
Red, single flash
Unsolicited state change
Slave device application has changed the EtherCAT
state autonomously.
Red, double flash
Application watchdog timeout
Sync manager watchdog timeout.
Red
Application controller failure
Anybus module in EXCEPTION.
If RUN and ERR turn red, this indicates a fatal event,
forcing the bus interface to a physically passive state.
Contact HMS technical support.
Flickering
Booting error detected
E.g. due to firmware download failure.
C.1.5
Link/Activity
These LEDs indicate the EtherCAT link status and activity.
LED State
Indication
Description
Off
No link
Link not sensed (or no power)
Green
Link sensed, no activity
Link sensed, no traffic detected
Green, flickering
Link sensed, activity
Link sensed, traffic detected
C.1.6
Ethernet Connector (RJ45)
Pin
Signal
Notes
1
Tx+
-
1
8
2
Tx-
-
3
Rx+
-
4
-
Normally left unused; to ensure signal integrity, these pins are
tied together and terminated to PE via a filter circuit in the
module.
5
-
6
Rx-
-
7
-
Normally left unused; to ensure signal integrity, these pins are
tied together and terminated to PE via a filter circuit in the
module.
8
-
Anybus
®
CompactCom
™
40 EtherCAT
®
Network Guide
SCM-1202-034 1.1