Rockwell Automation 1790D-XXXX DeviceNet Analog Base Terminal Block CompactBlock LDX I/O User Manual

Page 13

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13

Publication 1790-IN002B-EN-P - April 2003

I/O Channel LED Status Indicator

1790D-TN4V0

1790D-TN4C0

Status:

Description:

Status:

Description:

Flashing Green/
Red

Power up

Flashing Green/
Red

Power up

Off

Off line

Off

Off line

Red

On line and no field
power

Red

On line and no field
power

Red

DeviceNet
connection and no
field power

Red

DeviceNet
connection and no
field power

Green

Field power and
open wire

Flashing Red

1

Field power and
open wire (4-20mA
range only)

2

Green

Field power and valid
input

Green

Field power and valid
input

Green

Input over range

Green

Input over range

Green

Input under range

Flashing Red

1

Input under range
<3mA (4-20ma
range only)

2

Flashing Red

Recoverable fault

Flashing Red

Recoverable fault

1

Green for 0-20mA range.

2

Can be determined from the data table.

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