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Multidrop mode (‘three-wire’), 2 ids and revision numbers – KROHNE IFC 110 Converter HART V0201 User Manual

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KROHNE Messtechnik GmbH & Co. KG · Ludwig-Krohne-Str. 5

D-47058 Duisburg

5/15

Tel.: 0203-301 0

Fax: 0203-301 389 · e-mail: [email protected]

Supplementary Installation and Operating Instructions IFC110 HART

HC275, AMS, PDM


If the IFC110 is equipped with a continously active current output a 'third wire' is needed to properly connect it
together with two-wire loop powered devices in the same network.


2 IDs and Revision Numbers

The HART Device Descriptions described in this document have the following IDs and revision numbers:
Manufacturer ID:

69 (0x45)

Device Type:

243 (0xF3)

Device Revision:

2

DD Revision:

1

HART Universal Revision: 5
HC 275 OS Revision:

4.9

AMS Version:

5.0

PDM Version:

5.1


For information about Transmitter Revisions and related Device Descriptions refer to the KROHNE HART Device
List.

Multidrop Mode (‘three-wire’)

(Connecting two-wire and four-wire devices in the same network)

≥ 250 O

HART

two-wire
loop powered
devices

4 mA

4 mA

. . .

Addr. > 0

Addr. > 0

4 mA

. . .

four-wire
active source
devices

4 mA

HART

Secondary Master

Primary Master

Power
Supply

HART

Modem

IFC110
Addr. > 0

IFC110
Addr. > 0

Terminal I

Terminal I