Rockwell Automation 1790D-XXXX DeviceNet Analog Base Terminal Block CompactBlock LDX I/O User Manual
Page 13
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.