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VERSAFLOW SONIC 1000/TWS 9000
9.1 General description
The open HART
communication.
Devices which support the HART
devices. When it comes to operating devices (Master), both manual control units (Secondary
Master) and PC-supported workstations (Primary Master) are used in, for example, a control
centre.
®
HART
field devices include flow sensors, signal converters and actuators. The field devices
range from 2-wire to 4-wire to intrinsically safe versions for use in hazardous areas.
The HART
This way, all of the connected devices can communicate digitally with one another via the HART
protocol while simultaneously transmitting the analogue signals.
When it comes to the field devices and secondary masters, the FSK or HART
integrated, whereas with a PC communication takes place via an external modem which must be
connected to the serial interface. There are, however, other connection variants which can be
seen in the following connection diagrams.
9.2 Identification codes and revision numbers
Manufacturer ID:
Device:
Device Revision:
DD Revision
DD Revision (NAMUR)
®
HART
Universal Revision:
FC 375/475 system SW.Rev.:
AMS version:
PDM version:
Table 9-1: Identification codes and revision numbers
34-VF-25-07 iss.2 GLO Nov 11 US
®
protocol, which can be used freely, is integrated into the signal converter for
®
data are superimposed over the analogue 4...20 mA signal via FSK modem.
DESCRIPTION OF HART INTERFACE
®
protocol are classified as either operating devices or field
1
1
01.11
7
≥ 3.9 (HART App 6.1)
≥ 12.0
≥ 9.1
www.process.honeywell.com
9
®
®
modem is
187
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