Specifications and Reference Data
201
Specifications and Reference Data
April 2017
Reference Manual
00809-0100-4021, Rev JA
Custom configuration
The Rosemount 3144P can be ordered with custom configuration. The table below lists the requirements necessary to
specify a custom configuration.
To custom configure the Rosemount 3144P Transmitter with the dual-sensor option transmitter for one of the applications
described below, indicate the appropriate option code in the model number. If a sensor type is not specified, the transmitter
will be configured for two 3-wire Pt 100 (
α
= 0.00385) RTDs if any of the following option codes are selected.
Option code
Requirements/specification
C1:
Factory data
(1)
1. CDS
required.
Date: day/month/year
Descriptor: 16 alphanumeric character
Message: 32 alphanumeric character
Custom alarm levels can be specified for configuration at the factory.
Rosemount X-well specific information: pipe material, pipe schedule, line size
C2:
Transmitter-sensor matching
The Rosemount 3144P Transmitter is designed to accept Callendar-van Dusen constants from a
calibrated RTD schedule and generate a custom curve to match any specific sensor curve. Specify
a Series 68, 65, or 78 RTD sensor on the order with a special characterization curve (V or X8Q4
option). These constants will be programmed into the transmitter when this option is selected.
C4:
Five point calibration
Will include five-point calibration at 0, 25, 50, 75, and 100% analog and digital output points.
Use with option code Q4 to obtain a Calibration Certificate.
C7:
Special sensor
Used for non-standard sensor, adding a special sensor or expanding input.
Customer must supply the non-standard sensor information.
Additional special curve will be added to sensor curve input choices.
A1: NAMUR-compliant, high alarm
Analog output levels compliant with NAMUR. Alarm is set to fail high.
CN: NAMUR-compliant, low alarm
Analog output levels compliant with NAMUR. Alarm is set to fail low.
C8: Low alarm
Analog output levels compliant with Rosemount standard. Alarm is set to fail low.
F5: 50 Hz Line voltage filter
Calibrated to 50 Hz line voltage filter.
Option code U1: Hot Backup
Primary usage
Primary usage sets the transmitter to automatically use sensor 2 as the primary input if sensor 1 fails.
Switching from sensor 1 to sensor 2 is accomplished without any effect on the analog signal. A digital alert will
be sent in the event of a failed sensor.
Primary variable
1st good
Secondary variable
Sensor 1
Tertiary variable
Sensor 2
Quaternary variable
Terminal temperature
Содержание Rosemount 3144P
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