Reference Manual
00809-0100-4697, Rev EA
October 2011
Rosemount 848T
Index-2
Modes . . . . . . . . . . . . .D-18
Automatic . . . . . . . .D-18
Manual . . . . . . . . .D-18
Out of Service . . . . .D-18
Parameters . . . . . . . . . .D-15
Status Handling . . . . . . .D-19
Troubleshooting . . . . . .D-20
Installation . . . . . . . . . . . . . . 2-12
Intrinsically Safe . . . . . . . B-9
Non-Incendive . . . . . . . . . B-9
Using Cable Glands . . . . 2-12
Using Conduit Entries . . 2-12
J
Junction Box
Mounting . . . . . . . . . . . . 2-2
L
Link Active Scheduler . . . . . . .C-4
Backup LAS . . . . . . . . . .C-6
LAS Parameters . . . . . . .C-5
M
Maintenance
Hardware . . . . . . . . . . . . 4-3
Communication Check 4-3
Power Check . . . . . . 4-3
Reset Configuration . 4-3
Sensor Check . . . . . . 4-3
Measurement Transducer Block
Parameters . . . . . . . . . . 3-17
Monitoring Applications
Common Configurations
Single Selection . . . . 3-4
Typical . . . . . . . . . . . 3-4
Mounting . . . . . . . . . . . . . . . . 2-1
2-Inch Pipe Stand . . . . . . 2-3
DIN Rail Without an Enclosure
2-2
Panel with a Junction Box 2-2
Multiple Analog Input
Configuration . . . . . . . . . 3-6
Multiple Ana l og In pu t Bl ock
Troubleshooting . . . . . .D-14
Multiple Analog Input Function Block
D-9 Application Information . .D-14
Configuration . . . . . . . . . 3-6
Errors . . . . . . . . . . . . . .D-12
Filtering . . . . . . . . . . . . D-11
Functionality . . . . . . . . .D-10
Modes . . . . . . . . . . . . . D-13
Automatic . . . . . . . D-13
Manual . . . . . . . . . D-13
Out of Service . . . . D-13
Parameters . . . . . . . . . . D-9
Signal Conversion . . . . . D-11
Direct . . . . . . . . . . D-11
Indirect . . . . . . . . . D-12
Indirect Square Root D-12
Modes . . . . . . . . . . D-13
Simulation . . . . . . . . . . D-10
Status Handlin g . . . . . . D-13
N
Network Communication . . . . C-4
Addressing . . . . . . . . . . . C-6
Function Block Scheduling C-8
Link Active Scheduler . . . C-4
Scheduled Transfer . . . . . C-6
Unscheduled Transfer . . . C-7
O
Overview . . . . . . . . . . . . . . . 1-2
FOUNDATION Fieldbus . . . C-1
Manual . . . . . . . . . . . . . 1-2
Transmitter . . . . . . . . . . . 1-2
P
Performance specifications . . . A-4
Power Supply . . . . . . . . . . . . 2-7
Connections . . . . . . . . . . 2-7
R
Resource Block
Alarm Detection . . . . . . 3-11
Configuration . . . . . . . . . 3-7
Errors . . . . . . . . . . . . . 3-10
Modes . . . . . . . . . . . . . 3-10
Automatic . . . . . . . 3-11
Out of Service (OOS) 3-11
Parameters . . . . . . . . . . 3-7
PlantWeb Alerts
Recommended Actions 3-14
PlantWeb™ Alerts . . . . 3-11
advisory alarms . . . 3-13
failed_alarms . . . . . 3-11
maint_alarms . . . . . 3-12
Troubleshooting . . . . . . . 4-4
S
Scheduled Transfers . . . . . . . C-6
Client . . . . . . . . . . . . . . . C-6
Publisher . . . . . . . . . . . . C-6
Report Distribution . . . . . C-6
Server . . . . . . . . . . . . . . C-6
Subscriber . . . . . . . . . . . C-6
Security Switch . . . . . . . . . . 2-10
Senor
Connection Check . . . . . .4-3
Sensor
Tag . . . . . . . . . . . . . . . . 2-11
Sensor Transducer Block
Change Sensor Configuration
3-21
Sensor Calibration . . . . .3-21
Troubleshooting . . . . . . . .4-4
Sensor Wiring Diagram . . . . . .2-4
Shield Wire
Ground . . . . . . . . . . . . . .2-8
Simulate Enable Switch . . . . .2-10
Specifications
performance . . . . . . . . . A-4
Surges . . . . . . . . . . . . . . . . .2-7
Switches . . . . . . . . . . . . . . .2-10
Security . . . . . . . . . . . . .2-10
Simulate Enable . . . . . . .2-10
T
Tagging . . . . . . . . . . . . . . . . 2-11
Commissioning . . . . . . .2-11
Sensor . . . . . . . . . . . . .2-11
Transmitter . . . . . . . . . . 2-11
Transducer Block
Alarm Detection . . . . . . .3-17
Channel Definitions . . . .3-15
Errors . . . . . . . . . . . . . .3-16
Modes . . . . . . . . . . . . . .3-16
Automatic . . . . . . . .3-17
Out of Service . . . . .3-17
Status Handling . . . . . . .3-17
Transients . . . . . . . . . . . . . . .2-7
Transmitter
Configuration . . . . . . . . . .3-2
Tag . . . . . . . . . . . . . . . . 2-11
Transmitter Wiring Diagram . . .2-4
Troubleshooting . . . . . . . . . . .4-4
Analog Input Function Block D-8
Differential Transducer Block 4-4
FOUNDATION Fieldbus . . . .4-4
Input Selector Function Block
D-20
Multiple Analog Input Block D-14
Resource Block . . . . . . . .4-4
Sensor Transducer Block .4-4
U
Unscheduled Transfers . . . . . C-7
W
Wiring . . . . . . . . . . . . . . . . . .2-4
Communication Check . . .4-3
Power Check . . . . . . . . . .4-3