Led Functions - Emerson Numatics DeviceLogix G2-2 Series Quick Start Manual

9) LED Functions

Upon power up, the LEDs indicate the status of the unit. There are seven LEDs on the G2-2 DeviceLogix
node; Network Status, Module Status, Run/Force I/O, two for internal fuse integrity, and two for Aux. Power
status.
LED Name
NET STATUS
(Network Status)
MOD STATUS
(Module Status)
Green
RUN / FORCE
I/O
FUSE 1
+24V VLV/OUT
FUSE 2
+24V NODE/IN
G2-2 Series DeviceLogix Quick Start Manual
NET STATUS
MOD STATUS
FUSE 1
+24V VLV/OUT
FUSE 2
+24V NODE/IN
TM
Color Status
Off OFF
ON
Green
FLASHING
ON
Red
FLASHING
OFF
ON
Green
FLASHING
Red FLASHING
OFF
Yellow
ON
FLASHING
OFF
Red
ON
OFF
Green
ON
OFF
Red
ON
OFF
Green
ON
3835054 TDG22DLQS3-0
Subject to change without notice
www.numatics.com/fieldbus
NET STATUS
MOD STATUS
FUSE 1
+24V VLV/OUT
FUSE 2
+24V NODE/IN
TM
Description
Stand Alone
– Network cable is not connected to node. Normal
Operation
Networked
- Device is not on-line; Bus power not applied; Physical
problem with network; Improper baud rate.
Normal operation. Device is on-line and has established a
connection.
Device is on-line but has no established connections.
The device has detected a bus error that has rendered it incapable
of communicating on the network; Duplicate MAC ID; "Bus Off"
condition; Physical problem with network.
Communication failure – one or more I/O connections have timed
out.
Critical hardware fault. Microprocessor is not running.
Normal operation. The device is operating properly.
Stand Alone – If logic is disabled and communication status
override is disabled then network power is absent.
Networked - Network power is absent.
Module is in self-test mode.
Logic is disabled
Logic is enabled
Logic is enabled and local forces are applied
Internal fuse F1 is OK (valid only when power is applied to
+24V pin on Aux. Power connector).
VLV / OUT
Internal fuse F1 is open; No power is internally provided to valves or
outputs. Communication NOT affected.
+24V
No DC Power present at
connector.
+24V
DC Power applied to
VLV / OUT
F2
Internal fuse is OK (valid only when power is applied to
+24V
pin on Aux. Power connector.
NODE / IN
F2
Internal fuse is open; No power is internally provided to node
electronics or inputs. Communication Node will not function.
No DC Power present at +24V
connector.
+24V
DC Power applied to
NODE / IN
1/07
pin on Aux. Power
VLV / OUT
pin on Aux. Power Connector.
pin on Aux. Power
NODE / IN
pin on Aux. Power connector.
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