Spectrum Controls 1756sc-OF8H Series A User Manual
Page 83

Chapter 7: HART Channel Configuration, Data, and Status
69
Figure 7.2 (Channel 0 Configuration Example)
How the
How the
How the
How the
How the
Modules Send
Modules Send
Modules Send
Modules Send
Modules Send
and Receive
and Receive
and Receive
and Receive
and Receive
HART Data
HART Data
HART Data
HART Data
HART Data
How the Module Connects to a Field Device
How the Module Connects to a Field Device
How the Module Connects to a Field Device
How the Module Connects to a Field Device
How the Module Connects to a Field Device
Both the HART input and Output module behave as a HART master in
which case the field device is considered the slave. In other words, the
master must initiate the communication with the field device and the
device simply replies with an appropriate response. Any given channel
may have a master, a secondary master (hand held configuration tool), and
a slave connected simultaneously. Please see Figure 3.