7
Rosemount 848T Family
November 2014
www.rosemount.com
Wiring
Figure 1. Rosemount 848T Sensor Wiring Diagram
(1) Emerson Process Management provides 4-wire sensors for all
single-element RTDs. Use these RTDs in 3-wire configurations by
clipping the fourth lead or leaving it disconnected and insulated with
electrical tape.
(2) The transmitter must be configured for a 3-wire RTD in order to
recognize an RTD with a compensation loop.
Standard configuration
Unless otherwise specified, the transmitter will be shipped as
follows for all eight sensors:
Shipboard certification
SBS American Bureau of Shipping (ABS) Type Approval
★
SLL Lloyd's Register (LR) Type Approval
★
Special temperature test
LT Test to -60 °F (-51.1 °C)
Conduit electrical connector
GE
(8)
M12, 4-pin, Male Connector (eurofast
®
)
★
GM
(8)
A size Mini, 4-pin, Male Connector (minifast
®
)
★
Extended product warranty
WR3 3-year limited warranty
★
WR5 5-year limited warranty
★
Typical model number: 848T F I5 S001 T1 B6 JA2
(1) Consult factory for availability.
(2) Available only with S001 option.
(3) Consult factory for availability.
(4) The Rosemount 848T ordered with component approval is not approved as a stand-alone unit. Additional system certification is required.
(5) Enclosure Option JX3 must be ordered with Product Certification Code E6. (O-ring for the JX3 enclosure rated to -20 °C).
(6) S002 is only available with Product Certification N5, N6, N1, NC, NK, and NA.
(7) JX3 Explosion-proof enclosure rated to -4 °F (-20 °C).
(8) Available with no approval or Intrinsically Safe approvals only. For FM Intrinsically Safe (option code I5), install in accordance with Rosemount drawing
00848-4402.
Table 1. Rosemount 848T FOUNDATION fieldbus Ordering Table
★ The Standard offering represents the most common options. The starred options (★) should be selected for best delivery.
__The Expanded offering is subject to additional delivery lead time.
12 3
2-wire
RTD and
Ohms
3-wire
RTD and
Ohms
(1)
Thermocouples/
Ohms and
Millivolts
123 123
2-Wire RTD with
Compensation
Loop
(2)
123
Standard configuration settings
Sensor Type
(1)
(1) For all eight sensors.
Thermocouple Type J
Damping
(1)
5 seconds
Measurement Units
(1)
°C
Output
(1)
Linear with Temperature
Line Voltage Filter
(1)
60 Hz
Temperature Specific
Blocks
Sensor Transducer Block (1)
FOUNDATION fieldbus
Function Blocks
Analog Input (8)
Multiple Analog Input (2)
Input Selector (4)
Input Transient Filter
(1)
Enabled
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