KLINGER Denmark A/S | Nyager 12-14 | DK-2605 Brøndby | +45 43 64 66 11 | [email protected] | www.klinger.dk
Klinger CMF
Instruction Manual
Page 48
Chapter
Communication
6.1 HART communication
6.1.1 HART Communicator introduction
6.1.1.1 The HART Communicator is a hand-held configuration tool, which can be used to support
HART communication instruments. The instrument parameters can be read and write
through the HART Communicator.
6.1.1.2 A dedicated DD (device description) file is necessary to ensure that the HART
Communicator can be properly connected to the device.
6.1.1.3 The
DD can be downloaded through the HART website, or you can contact Walsn or
its local dealer.
6.1.1.4 Follow these steps you can view the device information through the HART Communicator:
6.1.1.4.1 In your HART menu, select
“
Utility
”
→
“
Available Device Description.
6.1.1.4.2 Browse the manufacturer list and select
“
Walsn
”
, and then browse the installed
device description.
6.1.1.4.3 If the manufacturer list does not have a Walsn, or no description of the required
equipment, Please contact the HART Communicator manufacturer to install the device
description, or contact Walsn or its local dealers.
6.1.2 Wire HART Communicator
6.1.2.1 HART Communicator needs to be connected to the flow meter's Analog Hart output
channel #1.
6.1.2.2 HART communication supports point to point communication and multiple-point
networks, please choose appropriately.
6.1.2.3 See figure 6-1, 6-2 for wiring
A1+
A1-
—
24VDC +
Rs
250
Ω
HART Device
—
24VDC +
Rs
250
Ω
A2+
A2-
Figure
6-1 HART connection, passive current loop
A1+
A1-
HART Device
Rs
250
Ω
A2+
A2-
Rs
250
Ω
Figure
6-2 HART connection, active current loop
6.1.2.4 After properly wiring the HART Communicator, you can read, configure, and perform
maintenance of your equipment.
6.1.2.5 The warning information about the device description or device status may be ignored in
the connection process.