Description of the field multiplexer
5981_en_06
PHOENIX CONTACT
17
3.2
Diagnostic indicators
Diagnostic indicators are used for local error diagnostics.
Figure 3-2
Diagnostic indicators
S T
C E
U L
R E
L E
U S
U M
M U X
5 9 8 5 B 0 0 3
Table 3-1
Diagnostic LEDs on the field multiplexer
LED
Color
Meaning
Status
Description of the LED states
UL
Green
U
Logic
On
24 V field multiplexer supply (U
MUX
),
7.5 V main supply U
L
and interface supply present
Flashing
Hardware faulty and/or interface supply not present
Off
Supply voltage not present
ST
Red
St
op
On
Field multiplexer in stop
Off
Field multiplexer system operating
CE
Red
C
onfiguration
E
rror
On
Configuration error
Off
Configuration of both field multiplexers is OK
RE
Red
R
emote bus
E
rror
On
Error on remote bus
Flashing
Software versions of the two field multiplexers are not identical
Off
Communication between the field multiplexers functioning correctly
LE
Red
L
ocal Bus
E
rror
On
Error on the local bus of this field multiplexer station (e.g., a faulty I/O
terminal)
Flashing
Error on the local bus of the opposite station
Off
Local bus OK
US
Green
U
Segment
On
24 V segment circuit supply present
Off
24 V segment circuit supply not present
UM
Green
U
Main
On
24 V main circuit supply present
Off
24 V main circuit supply present
Summary of Contents for 2861205
Page 1: ...User manual Configuring and installing the Inline field multiplexer...
Page 6: ...IB IL 24 MUX MA PAC 6 PHOENIX CONTACT 5981_en_06...
Page 26: ...IB IL 24 MUX MA PAC 26 PHOENIX CONTACT 5981_en_06...
Page 64: ...IB IL 24 MUX MA PAC 64 PHOENIX CONTACT 5981_en_06...
Page 86: ...IB IL 24 MUX MA PAC 86 PHOENIX CONTACT 5981_en_06...