Table of Contents
Network Status
Indicator
NS
Off
Flashing green
Solid green
Flashing red
Solid red
Configuration Lock
Indicator
(1)
LK
Off
Solid yellow
Flashing yellow
(1) Not applicable when used with GuardLogix controllers.
Power
Indicator
Description
PWR
Off
No field power applied (all modules) or severe 24VDC power over voltage
condition (1734-OBV2S only)
Green
Normal condition, field power supplied and within specification.
Yellow
Field power out of specification.
1734-IE4S Sensor Power
Indicator
Description
S0...S3
Off
Sensor power is not used.
Green
Sensor power is used.
Red
Over-current or under-current sensor power fault.
Description
The module is not online with the network or there is no power.
Module online with no connections in established state.
The module identified the communication rate of the network but no
connections are established.
Module online with connections in established state. The module is
operating normally.
One or more I/O connections are in timed-out state.
A user-initiated firmware update is in progress.
Critical link failure. The module detected an error that prevents it
from communicating on the network, such as a duplicate node
address.
Description
No configuration or configured by a GuardLogix® originator.
Invalid configuration data.
Locked.
Valid configuration, locked by a network configuration tool, such as
RSNetWorx software.
Not locked.
Valid configuration by a network configuration tool, such as
RSNetWorx software.
Rockwell Automation Publication 1734-UM013N-EN-P - September 2017
Recommended Action
Verify that your network is working properly.
Verify your network and module configuration.
None.
Verify your network and module configuration.
Wait for firmware update to complete.
Cycle power to the module. Check node addressing.
Recommended Action
Validate configuration by a network configuration tool, such as
RSNetWorx™ software.
None.
None.
Recommended Action
Apply field power that is within specification.
None.
Field power supplied is outside specification (all modules) or the module
is configured to use sensor power, and either the sensor is drawing too
much current (short in the wiring or sensor), or the sensor is not drawing
any current (broken wire or sensor) (1734-IE4S only).
Check your connectors, wiring, and voltages.
Recommended Action
None.
None.
Check connectors, wiring, and power supply.
Indicators
Appendix A
167
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