EtherCAT
®
Communication Protocol Manual
– p/n 20021549-001 Rev. B
7
Indicators
EtherCAT Status
A “RUN” indicator and an “ERR” indicator are used to indicate EtherCAT status. See ETG.1300 for more
information.
Red LED (ERR)
Flash Interval
EtherCAT Status
OFF
No error
Blinking
200 ms
Invalid configuration
Flickering
50 ms ON
50 ms OFF
Invalid firmware
Single Flash
100 ms ON
1000 ms OFF
Unsolicited state change
Double Flash
Application watchdog timeout
Green LED (RUN)
Flash Interval
EtherCAT State
OFF
Initialization
Blinking
200 ms
Pre operational
Single Flash
100 ms ON
1000 ms OFF
Safe operational
Flickering
50 ms ON
50 ms OFF
Bootstrap
ON
Operational
EtherCAT Link/Activity
The Green LEDs on the 8P8C connectors indicate the link activity of the IN and OUT ports.
Table 3: 8P8C LED Indications
Link
Activity
Condition
Link/Activity Code
Yes
No
Port open
ON
Yes
Yes
Port open
Flickering
Device State
A bi-color indicator is used to indicate the state of the transducer.
LED Status
Description
OFF
Module not powered
Steady Green
Power applied
– Ion gauge OFF
Blinking Green
Micro-Ion gauge ON
Steady Amber
Micro-Ion gauge ON
– One filament is inoperable
Blinking Amber
1. Both Micro-Ion gauge filaments inoperable
–
Replace the gauge
2.
Possible electronics failure
– Return the module to
MKS