Reference Manual
00809-0100-4848, Rev AA
July 2009
Rosemount 848T Wireless
2-4
Configure Update Rate
The Update Rate is the frequency a new measurement is taken and
transmitted over the wireless network, is by default one minute. This may be
changed at commissioning, or at any time using AMS Wireless Configurator.
The Update Rate is from 8 seconds to 60 minutes and is user selectable.
1. From the
Home
screen, select 2:
Configure.
2. Select 1:
Guided Setup
.
3. Select 2:
Configure Update Rate.
If using an Emerson gateway, select
Yes
to enable optimizations. If using
another vendors WirelessHART gateway, select
No
to disable optimizations
and consult manufacturer’s gateway manual.
SENSOR
CONFIGURATION
Configure Sensor Type
Every temperature sensor has unique characteristics, to achieve the most
accurate measurement, configure the input channels of the 848T to match the
specific sensor type.
1. From the
Home
screen, select 2:
Configure.
2. Select 1:
Guided Setup
.
3. Select 3:
Configure Sensors.
4. Select 1:
Configure Sensor Type/Connection
.
Each input can be configured on the 848T for different sensor types. Select
the desired sensor type and lead wires for each sensor input. If an input is not
being used, “Not Used” should be selected for the sensor type. Refer to the
Sensor Wiring Diagram Figure 3-4 on page 3-4.
Configure Engineering
Units
Each input can be configured on the 848T for different engineering units. The
supported units are ° C, ° F, ° R, K, millivolts, ohms, and milliamps.
1. From the
Home
screen, select 2:
Configure.
2. Select 1:
Guided Setup
.
3. Select 3:
Configure Sensors.
4. Select 3:
Configure Device Engineering Units
.
Removing the Power
Module
After the sensor and network parameters have been configured, remove the
power module and close the housing cover. The power module should only be
inserted when the device is ready for commissioning.
Use caution when handling the power module, it may be damaged if dropped
from heights in excess of 20 ft. (6.1 m).
Fast Key
2, 1, 2
Fast Key
2, 1, 3, 1
Fast Key
2, 1, 3, 3
Summary of Contents for 848T
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