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In wireless HART terminology, any wired-HART devices that can be communicated with a
wireless HART adapter are known as a sub-device. A single VECTOR V1100 adapter can
support up to eight (8) wired-HART sub-devices. The wireless HART gateway maintains a list
of all of the devices in the wireless HART network, including sub-devices connected to
wireless HART adapters. Host applications that communicate with the wireless HART
gateway communicates in-directly with the wired-HART sub-device through the wireless
HART adapter. The wireless HART gateway and wireless HART adapter transparently handle
the message conversion between the Host application and wired-HART sub-device.
Wireless HART supports publishing of data from devices to the wireless HART gateway on a
periodic basis. This is called
burst mode
in HART terms, but is much more advanced than the
burst mode
traditionally supported by HART devices. Data can be burst based on an
user-defined update time or by a user-specified triggered event; such as a process variable
alarm.
When the VECTOR V1100 is configured in burst mode, it supports all of these advanced
modes on behalf of any connected wired-HART sub-devices. Burst mode is also very useful
to publish device status data (such as malfunctions or alarms) to the gateway on a periodic
basis or immediately when a critical event occurs.
Typical Usage
In most typical network configurations, the VECTOR V1100 is used in conjunction with a
wired-HART sub-device and is configured to publish process data and device status data
from the connected sub-device to the wireless HART network on a user-defined periodic
basis (such as every eight seconds or every minute, etc).
The VECTOR V1100 adds several features to make this typical usage mode very easy to
configure, such as the Automatic Sub-Device detection and Automatic Burst mode
configuration.
Power
The VECTOR V1100 adapter has been designed to be extremely power efficient and flexible
to allow for a wide variety of installation options. The VECTOR V1100 can be installed to be
powered by one of two sources either a:
Current loop denoted as LOOP POWER
DC source denoted as DIRECT POWER
Содержание Masoneilan VECTOR V1100
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