EM58 • HS58 • HM58 POWERLINK
4.9 Diagnostic LEDs (Figure 2)
Five LEDs located in the cap of the encoder (see the Figure 2) are meant to show
visually the operating or fault status of the encoder and the POWERLINK
interface. The meaning of each LED is explained in the following tables.
LED
Description
L/A Link/Activity
LED for port 1
P1 (
green
)
It shows the state and the activity of the physical link (port
1 P1).
BLINKING
Activity on port 1 P1.
ON
Port 1 P1 link active, no activity.
LED
Description
MS Module
Status LED
(
green
/
red
)
It shows the state of the POWERLINK device.
OFF
The device is switched OFF; the device is initializing; the
device is not active.
FLICKERING
green
(50ms ON,
50ms OFF)
The network communication is in
Basic Ethernet Mode
,
, no POWERLINK traffic,
see on page 69.
SINGLE FLASH
green
The device is in
Pre-Operational 1
state, see
asynchronous communication and no PDO exchange.
DOUBLE FLASH
green
The device is in
Pre-Operational 2
state, see
asynchronous and synchronous communication and no
PDO exchange.
TRIPLE FLASH
green
The device is in
Ready to Operate
state, see
no PDO exchange.
ON
green
The
device
is
in
Operational
state, see
, see on page 68, there is PDO
exchange.
BLINCKING
green
(200ms ON,
200ms OFF)
The device is in
Stopped
state (for example, due to a
, see on
page 68, there is no PDO exchange.
MAN EM58_HS58_HM58 PL E 1.1.odt
Electrical connections
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