Справочник Пользователя для Emerson Process Management 3420
Reference, Installation, and Operations Manual
Section 5: Startup and meter configuration
3-9000-743 Rev S
June 2013
RS-232 serial connection setup
111
5.5.1
RS-232 serial connection setup
RS-232 serial initial connection material checklist
To complete the steps in the subsections that follow, obtain the following materials and
information:
information:
•
Ultrasonic serial cable (Daniel P/N 3-2500-401)
•
Wiring Diagram (Daniel drawing DE-21056
)
•
Personal computer (PC) with Daniel MeterLink software installed (version 3.0 or higher)
•
Desired Mark III meter(s) communication configuration parameters:
–
IP address (if desired)
–
Serial communication parameters such as baud rate and Modbus ID
RS-232 serial initial connection steps
1.
Power up the Mark III meter and the PC.
2.
Plug the DB-9 end of the cable directly into the PC running Daniel MeterLink. The three
wires on the other end of the cable connect to J7 (FTB) for Port B. The Digital Out wire
goes to J7-Pin 1, the Digital In wire goes to J7-Pin 2, and the COMMON wire goes to J7-
Pin 3.
goes to J7-Pin 1, the Digital In wire goes to J7-Pin 2, and the COMMON wire goes to J7-
Pin 3.
3.
Start the Daniel MeterLink program on the PC and create a new meter directory record
with the following parameters:
a.
a.
Select
Meter Type
as Mark III.
b.
Check the
Direct
box and uncheck the
Modem
and
Ethernet
boxes.
c.
Set the Direct connection properties for
Baud Rate
of 19200 and
Comms Address
(Modbus ID) of 32.
for further
information on switch settings.
for communication troubleshooting information.