Rosemount Nuclear Instruments, Inc.
3
Qualified Life
Qualified life is dependent on continuous ambient
temperature at the installation site (see Figure 1)
as well as the number of functional cycles. See
Rosemount Qualification Report D8200037 for
more detail regarding qualified life.
FIGURE 2. Model 710DU Trip/Calibration System Diagram.
7
1
0
-0
5
8
1
A
24 V
POWER
SUPPLY
Calibrate
Command
Calibration
Current
Calibration Status Test
Jack
Trip Status
Auxiliary Analog
Output Test Jack
Gross Failure Output
Trip Output
Test Jack Sensor Signal
3-WIRE 100
V
PLATINUM
RTD
4–20 mA
PRESSURE
TRANSMITTER
CALIBRATION
UNIT WITH
READOUT
ASSEMBLY
RTD INPUT
MASTER TRIP
UNIT
(1 REQUIRED
FOR EACH
RTD)
4–20 mA
INPUT
MASTER
TRIP UNIT
SLAVE
TRIP
UNIT
Trip Status
Trip Status
Sensor Signal Test Jack
Gross Failure Output
Trip Output
Slave Input Test Jack
Gross Failure Output
Trip Output
Auxiliary Analog Output
Test Jack
Trip Status
Signal from
Selected
Master or Slave
Trip Unit
Calibration
Current
Calibrate
Command
To Additional
Master or
Slave Trip
Units
To Additional Slave Trip Units
(7 Maximum per Master Trip Unit)
Card File
1–5 V dc Auxiliary Analog
Output
Calibrate
Command
Calibration
Current
FIGURE 1. Qualified Life vs. Temperature.
Qualified Life
7
1
0
-0
3
0
8
A
Temperature (°F)
T
im
e
(
Y
e
a
rs
)
