maxon motor EPOS4 50/5, Hardware Reference Manual

Page: 57 / 74

Setup
Status Indicators
maxon motor control
EPOS4 Positioning Controller
Document ID: rel6852
3-57
EPOS4 50/5 Hardware Reference Edition: May 2017
© 2017 maxon motor. Subject to change without prior notice.
3.4 Status Indicators
The EPOS4 features three sets of LED indicators to display the device condition.
A NET Status
; the LEDs display communication RUN states and errors conditions
B Device Status
; the LEDs display the device’s operation status and error conditions
C NET Port
; the LED displays the NET link activity
For detailed information  separate document «EPOS4 Firmware Specification».
Figure 3-45 LEDs – Location
3.4.1 NET Status
The LEDs (  Figure 3-45;
A
) display the actual status and possible errors of the EPOS4 in respect to
the NET network:
• Green LED shows the RUN state
• Red LED indicates errors
Table 3-47 NET Status LEDs
LED
Description
Green Red
OFF — EPOS4 is in state INIT
Blink — EPOS4 is in state PRE-OPERATIONAL
Single flash — EPOS4 is in state SAFE-OPERATIONAL
ON — EPOS4 is in state OPERATIONAL
— OFF EPOS4 is in operating condition
— Double flash
An application watchdog timeout has occurred
Example: Timeout of Sync Manager Watchdog
— Single flash
EPOS4 has changed the COM state due to an internal error
Example: Change of state “Op” to “SafeOpError” due to Sync Error
— Blink
General Configuration Error
Example: State change commanded by master is not possible due to
actual settings (register, object, hardware configuration)
Blink = continuous blinking (
≈
2.5 Hz) Flash = Flashing (
≈
0.2 s), followed by pause of 1 s