Description of hart interface, 3 connection variants – KROHNE SMARTSENS ORP 1590 EN User Manual
Page 28

7
DESCRIPTION OF HART INTERFACE
28
SMARTSENS ORP 1590
www.krohne.com
11/2013 - 4002547102 - MA SMARTSENS ORP 1590 R02 en
7.3 Connection variants
The sensor is a 2-wire device with a passive 4...20 mA current output and HART
®
interface.
• Multidrop mode is supported
Multidrop mode is supported
Multidrop mode is supported
Multidrop mode is supported
In a multidrop communication system, more than 2 devices are connected to a common
transmission cable.
• Burst mode is not supported
Burst mode is not supported
Burst mode is not supported
Burst mode is not supported
In the burst mode a slave device transfers cyclic pre-defined response telegrams, to get a
higher rate of data transfer.
There are two ways of using the HART
®
communication:
• as Point-to-Point connection and
• as Multidrop connection, with 2-wire connection.
INFORMATION!
For detailed information about the electrical connection of the sensor for HART
®
, refer to
Connecting with junction box SJB 200 W on page 14.
.book Page 28 Wednesday, October 30, 2013 11:26 AM