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5.1 Flowchart of Executing One HART Command
Initialization
output
Satisfy the
polling output
Satisfy Change
of state output
Meet the
trigger output
Execute
command
Input Data
Output Data
Field
instruments
Data
State
Data
Slave's
response
Y
The next
command
Current command
N
N
N
N
Sent to the slave
command frame
Quit
5.2 Universal Send and Receive Data
There are two universal ways for user to select: One is that fieldbus is defined as universal mode. The
gateway will receive the serial data in the way of 3.5 character timeout broken frame and send out the data
unmodified from the HART interface. Gateway sends data out from serial which is received from HART interface
without modification. The character timeout is determined by baud rate, such as 19200, Character timeout is
Summary of Contents for GT200-HT-RS
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Page 17: ...WWW SSTCOMM COM 17 3 5 Topology of GT200 HT RS and Fieldbus Devices...
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Page 52: ...WWW SSTCOMM COM 52 Installing the gateway Uninstalling the gateway...
