User Manual

2-16 Flex™ IO Isolated Universal Input Module
User'sManualPub.0300231‐01Rev.A
Section 2.6
Module Indicators
The IF8IU module has one status indicator (OK) that is on when power is applied and no
hardware faults are present. See figure below.
Item Description
1 Module Catalog Number
2 Module key-switch position
3 Removable label
4 Power/Status LED
Table 2-4 (Module Status LED)
Module
State
Condition LED Color &
State
New Power up initialized complete and passed Self-Test. Loads stored
configuration, if it exist. Read Module Information Block. (see notes)
RED, blink
@1 Hz
Not
Config
Module has not received configuration from Master. It can Set and
Get attributes. (see notes)
GREEN,
blink @1 Hz
Idle
Controller in Program mode.
Communications normal
GREEN, solid
Active
Controller in Run mode & Communication Is normal GREEN, solid
Fault
FlexIO Comm. Fault or PU bit is one and /Fault=0 GREEN, solid
Fatal
Fault
Module fails self tests or detects illegal state transition RED, solid
1
2
3
4
Figure 2-6