Allen-Bradley 1788-CN2FFR, User Manual, Page: 52 / 104

50 Rockwell Automation Publication 1788-UM057B-EN-P - September 2014
Chapter 3 Logix Assemblies
Bus A/BTripped
If too much current (> 500 mA) is drawn on Bus A or Bus B, a trip occurs and the
bus is no longer functional. The trip is indicated in the input image.
NewFieldDevice
If a new field device is found which is not in the configuration of the H1 master, a
new field device bit is set.
LinkActiveScheduler
This bit indicates if the current device is the LAS or the back-up LAS (set
indicating that the linking device is the LAS).
MasterMode
N/A
LinkingDeviceStatus
This is currently reserved.
ConnectionStatus
If a field device is online and running (exchanging cyclic data), its field device
index bit (in the connection status) is set. If the device goes offline, the bit is
cleared.
FFBusVoltageA/B
The voltage on the H1 bus as measured at port A and port B on the linking
device.
FFBusCurrentA/B
The current being drawn by the H1 bus through port A and port B.
ExternalVoltage
The voltage of the external power supply.
Temperature
The internal temperature of the linking device.
BusA/BEnabled
The master mode setting enables and disables the H1 ports A and B. For example,
if the master mode setting is Master Mode 0 - Single Master, A Bus Only, then A
is enabled and B is disabled (see page
85 ).