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VLT® Servo Drive System ISD 511
Operating Guide
7.2.1 Operating LEDs on the ISD511 Servo Drive
DEV ST
SVS ST
NET ST
LINK/ACT
X1
X2
Illustration 51: Operating LEDs on ISD 511 Servo Drive
Table 17: Operating LEDs on ISD 511 Servo Drive
LED
DEV ST
SVS ST
NET ST
LINK/ACT X1
(Link/activity status of Hybrid In (X1))
LINK/ACT X2
(Link/activity status of Hybrid Out (X2))
84 | Danfoss A/S © 2023.08
Color
Flash status
Green
On
Flashing
Red
On
Flashing
Green
On
Off
Green/red
Fieldbus de-
pendent
Green
On
Flashing
Off
Green
On
Flashing
Off
Description
Servo drive is in state Operation enabled.
Auxiliary voltage is applied.
Servo drive is in Fault or Fault reaction active state.
DC-link voltage is not applied.
24 V safety supply is applied.
24 V safety supply is not applied.
Network status of the device (see corresponding fieldbus
standard).
Ethernet link established.
Ethernet link established and active.
No link.
Ethernet link established.
Ethernet link established and active.
No link.
AQ377148425069en-000101 / 130R1213
Operation
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Troubleshooting
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