10332-12405-483970模块备件

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10310-54030-483947

8.
变送器功能框图-图17
图17变送器功能框图
传感器
传感器
温度
测量
压阻传感器
电子模块
记忆力
-校准
-配置
非易失性Mem。
-程序
-模数系数。
LCD指示器/配置器
包括零点和量程
外部零点
调整
数字到
模拟
转换器
压力测量
4至20 mA
输出带有
通信
雄鹿
调制解调器
完成
发射器
配置
校正
系数
标定
数据
非挥发性
-
-
-
记忆力
低压
模拟到数字
转换器
高压
1200波特
微处理器
传感器线性化
重新设置范围
回路校准
阻尼
工程单位
诊断例行程序
故障保护高或低
数字通信
温度补偿
压力传感器
D/A转换器
-
-
-
-
-
-
-
-
-
雄鹿
遥远的
通信器
雄鹿
通信器
或
基于PC
配置器
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PSS 2A-1C14 B
9页
功能规范
IDP10 d/p单元变送器的量程限制
（a） 选择压力密封时，量程限制代码“a”不可用。
（b） 当指定了某些选项时，跨度和范围上限会减小，如下面的“选项影响”表所示。
IDP10 d/p单元发射器的范围限制（a）
（a） 正值表示高压下传感器的高压侧，负值表示高压下传感器的低压侧。
（b） 选择压力密封时，量程限制代码“A”不可用。
（c） 当指定了某些选项时，跨度和范围上限会减小，如下面的“选项影响”表所示。
某些选项对量程和范围限制的影响（a）
IDP10 d/p单元变送器的大静态和验证压力额定值（a）
（a） 有关表中所列项目的应用和限制，请参阅型号代码部分。
（b） 验证压力额定值符合ANSI/ISA标准S82.03-1988。施加验证压力后，装置可能会失去功能。
输出信号和配置
4至20 mA，HART通信。什么时候
配置用于多点应用的mA信号
固定为4 mA，为设备供电。
可使用HART通信器、基于PCB的配置器或可选LCD指示器进行配置
车载按钮。
现场接线反转
无变送器损坏。
抑制零和升高零
抑制/升高的零范围是可以接受的，因为
只要不超过量程/范围限制。
电子和传感器温度
可从HART通讯器读取，基于PC
配置器，或带有板载按钮的可选LCD指示器。变送器测量
温度，不一定是工艺温度。
代码kPa psi mbar mmHg mmH2O inH2O
A（A）0.12和7.5 0.018和1.1 1.2和75 0.93和56 12和750 0.5和30
B 0.87和50 0.125和7.2 8.7和500 6.5和375 87和5000 3.5和200
C 7和210 1和30 70和2100 50和1500 700和21 000 28和840
代码MPa psi bar或kg/cm2 mHg mH2O ftH2O
D 0.07和2.1 10和300 0.7和21 0.5和15 7和210 23和690
E（b）0.7和21（b）100和3000（b）7和210（b）5和150（b）70和2100（b）230和6900（b）
代码kPa psi mbar mmHg mmH2O inH2O
A（b）-7.5和+7.5-1.1和+1.1-75和+75-56和+56-750和+750-30和+30
B-50和+50-7.2和+7.2-500和+500-375和+375-5000和+5000-200和+200
C-210和+210-30和+30-2100和+2100-150和+150-21 000和+21 000-840和+840
代码MPa psi bar或kg/cm2 mHg mH2O ftH2O
D-0.21和+2.1-30和+300-2.1和+21-1.5和+15-21和+210-69和+690
E（c）-0.21和21（c）-30和+3000（c）-2.1和+210（c）-1.5和+150（c）-21和+2100（c）-69和+6900（c）
选项说明（另请参阅型号代码）量程和范围限制降额为：
-B3 B7M螺栓和螺母（NACE）20 MPa（2900 psi，200 bar或kg/cm2）
-D1 DIN结构16 MPa（2320 psi，160 bar或kg/cm2）
-D5或B1 DIN结构或316不锈钢螺栓连接15 MPa（2175 psi，150 bar或kg/cm2）
-D2、-D4、-D6或-D8（a）DIN结构（a）10 MPa（1500 psi、100 bar或kg/cm2）（a）
（a） 有关表中所列项目的应用和限制，请参阅型号代码部分。
变送器配置
（有关选项的说明，请参阅型号代码）
静压额定值验证压力额定值（b）
MPa psi
酒吧或
千克/平方厘米MPa psi
酒吧或
千克/平方厘米
带选项-D9或-Y 40 5800 400 100 14500 1000
标准或带选项-B2、-D3或-D7 25 3625 250 100 14500 1000
带选项-B3 20 2900 200 70 11150 700
带选项-D1 16 2320 160 64 9280 640
带选项B1或D5 15 2175 150 60 8700 600
带选项-D2、-D4、-D6或-D8 10 1500 100 40 6000 400
结构代码78和79（pvdf插件）2.1 300 21 8.4 1200 84
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PSS 2A-1C14 B
10页
功能规范（续）
可调阻尼
响应时间通常为0.75秒，或以电子方式
形容词

10310-54030-483947

10310-54030-483947

8
TRANSMITTER FUNCTIONAL BLOCK DIAGRAM - Figure 17
Figure 17. Transmitter Functional Block Diagram
Sensor
Sensor
Temperature
Measurement
Piezo-Resistive Sensor
Electronics Module
Memory
 - Calibration
 - Configuration
Nonvolatile Mem.
 - Program
 - Module Coeff.
LCD Indicator/Configurator
including Zero and Span
External Zero
Adjustment
Digital to
Analog
Converter
Pressure Measurement
4 to 20 mA
Output with
Communications
HART
Modem
Complete
Transmitter
Configuration
Correction
Coefficients
Calibration
Data
Nonvolatile
-
-
-
Memory
Low Pressure
Analog to Digital
Converter
High Pressure
1200 Baud
Microprocessor
 Sensor Linearization
 Reranging
 Loop Calibration
 Damping
 Engineering Units
 Diagnostic Routines
 Failsafe High or Low
 Digital Communication
 Temp. Compensation
 Pressure Sensor
 D/A Converter
-
-
-
-
-
-
-
-
-
HART
Remote
Communicator
HART
Communicator
or
PC-Based
Configurator
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PSS 2A-1C14 B
Page 9
FUNCTIONAL SPECIFICATIONS
Span Limits for IDP10 d/p Cell Transmitters
(a) Span Limit Code “A” not available when pressure seals are selected.
(b) When certain options are specified, the upper span and range limits are reduced as shown in the “Options Impact” table below.
Range Limits for IDP10 d/p Cell Transmitters (a)
(a) Positive values indicate HI side of sensor at the high pressure, and negative values indicate LO side of sensor at the high pressure.
(b) Span Limit Code “A” not available when pressure seals are selected.
(c) When certain options are specified, the upper span and range limits are reduced as shown in the “Options Impact” table below.
Impact of Certain Options on Span and Range Limits (a)
Maximum Static and Proof Pressure Ratings for IDP10 d/p Cell Transmitters (a)
(a) Refer to Model Code section for application and restrictions related to the items listed in the table.
(b) Proof pressure ratings meet ANSI/ISA Standard S82.03-1988. Unit may become nonfunctional after application of proof pressure.
Output Signal and Configuration
4 to 20 mA with HART Communications. When
configured for multidrop applications, the mA signal
is fixed at 4 mA to provide power to the device.
Configurable using a HART Communicator, PCbased Configurator, or optional LCD Indicator with
on-board pushbuttons.
Field Wiring Reversal
No transmitter damage.
Suppressed Zero and Elevated Zero
Suppressed/elevated zero ranges are acceptable as
long as the Span/Range Limits are not exceeded.
Electronics and Sensor Temperatures
Readable from the HART Communicator, PC-based
Configurator, or optional LCD Indicator with onboard pushbuttons. Measurement is transmitter
temperature, not necessarily process temperature.
Code kPa psi mbar mmHg mmH2O inH2O
A (a) 0.12 and 7.5 0.018 and 1.1 1.2 and 75 0.93 and 56 12 and 750 0.5 and 30
B 0.87 and 50 0.125 and 7.2 8.7 and 500 6.5 and 375 87 and 5000 3.5 and 200
C 7 and 210 1 and 30 70 and 2100 50 and 1500 700 and 21 000 28 and 840
Code MPa psi bar or kg/cm2 mHg mH2O ftH2O
D 0.07 and 2.1 10 and 300 0.7 and 21 0.5 and 15 7 and 210 23 and 690
E (b) 0.7 and 21(b) 100 and 3000 (b) 7 and 210 (b) 5 and 150 (b) 70 and 2100 (b) 230 and 6900 (b)
Code kPa psi mbar mmHg mmH2O inH2O
A (b) -7.5 and +7.5 -1.1 and +1.1 -75 and +75 -56 and +56 -750 and +750 -30 and +30
B -50 and +50 -7.2 and +7.2 -500 and +500 -375 and +375 -5000 and +5000 -200 and +200
C -210 and +210 -30 and +30 -2100 and +2100 -150 and +150 -21 000 and +21 000 -840 and +840
Code MPa psi bar or kg/cm2 mHg mH2O ftH2O
D -0.21 and +2.1 -30 and +300 -2.1 and +21 -1.5 and +15 -21 and +210 -69 and +690
E (c) -0.21 and 21 (c) -30 and +3000 (c) -2.1 and +210 (c) -1.5 and +150 (c) -21 and +2100 (c) -69 and +6900 (c)
Option Description (Also see Model Code) Span and Range Limits Derated to:
-B3 B7M Bolts and Nuts (NACE) 20 MPa (2900 psi, 200 bar, or kg/cm2)
-D1 DIN Construction 16 MPa (2320 psi, 160 bar or kg/cm2)
-D5 or -B1 DIN Construction or 316 ss Bolting 15 MPa (2175 psi, 150 bar or kg/cm2)
-D2, -D4, -D6, or -D8 (a) DIN Construction (a) 10 MPa (1500 psi, 100 bar or kg/cm2) (a)
(a) Refer to Model Code section for application and restrictions related to the items listed in the table.
Transmitter Configuration
(See Model Code for Description of Options)
Static Pressure Rating Proof Pressure Rating (b)
MPa psi
bar or
kg/cm2 MPa psi
bar or
kg/cm2
With Option -D9 or -Y 40 5800 400 100 14500 1000
Standard or with Option -B2, -D3, or -D7 25 3625 250 100 14500 1000
With Option -B3 20 2900 200 70 11150 700
With Option -D1 16 2320 160 64 9280 640
With Option -B1 or -D5 15 2175 150 60 8700 600
With Option -D2, -D4, -D6, or -D8 10 1500 100 40 6000 400
With Structure Codes 78 and 79 (pvdf insert) 2.1 300 21 8.4 1200 84
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PSS 2A-1C14 B
Page 10
FUNCTIONAL SPECIFICATIONS (Cont.)
Adjustable Damping
Response time is normally 0.75 s, or electronically
adjustable setting of 0.00 (none), 0.25, 0.50, 1, 2, 4,
8, 16, or 32 seconds, whichever is greater, for a 90%
recovery from an 80% input step as defined in
ANSI/ISA S51.1. (For 63.2% recovery, 0.50 s with
sensors B to E, and 0.60 s with Sensor A.)
Zero and Span Adjustments
Zero and span adjustments can be initiated from the
HART Communicator, PC-based Configurator, or
optional LCD Indicator having on-board
pushbuttons.
Zeroing for Nonzero-Based Ranges
Dual Function Zeroing allows zeroing with the
transmitter open to atmosphere, even when there is
a nonzero-based range. This greatly simplifies
position effect zeroing on many pressure and level
applications. It applies to optional LCD Indicator with
on-board pushbuttons and optional External Zero
Adjustment.
Current Outputs for Overrange, Fail, and Offline
Conditions
Write Protect Jumper
Can be positioned to lock out all configurators from
making transmitter database changes. This makes
transmitter suitable for Safety Shutdown System
Applications that require this feature.
Square Root Low Flow Cutoff
User configurable using HART Communicator, PCbased Configurator, or optional LCD with on-board
pushbuttons to provide:
• User settable for cutoff to zero at any flow rate
between 0 and 20% of maximum flow.
• Cutoff to zero at flows <10% of maximum flow
(1% of maximum differential pressure).
• Or active point-to-point line between zero and
20% of maximum flow (4% of maximum
differential pressure).
Minimum Allowable Absolute Pressure vs.
Transmitter Temperature
WITH SILICONE FILL FLUID
Full vacuum: up to 121°C (250°F)
WITH FLUORINERT FILL FLUID
Refer to Figure 18.
Figure 18. Minimum Allowable
Absolute Pressure vs. Transmitter Temperature,
Fluorinert FC-43, 2.6 cSt at 25°C (77°F)
Supply Voltage Requirements and External Loop
Load Limitations (Figure 19)
Minimum voltage shown in Figure 19 is 11.5 V dc.
This value can be reduced to 11 V dc by using a
plug-in jumper across the test receptacles in the field
wiring compartment terminal block. See Figure 23.
Figure 19. 4 to 20 mA Output,
Supply Voltage vs. Output Load
OFFLINE User configurable between 4 and
20 mA
SENSOR
FAILURE
User configurable to Fail LO or
Fail HI
FAIL LO 3.60 mA
UNDERRANGE 3.80 mA
OVERRANGE 20.50 mA
FAIL HI 21.00 mA
ABSOLUTE PRESSURE, mmHg
-25 0 50 100 150 200 250
TEMPERATURE, ˚F
FLUORINERT
FC-43 FLUID
OPERATING
AREA
-30 0 30 60 90 120
140
120
100
80
60
40
20
0
TEMPERATURE, ˚C
1500
1000
500
0
OUTPUT LOAD,
Ω
SUPPLY VOLTAGE
AND LOAD LIMITS
24
30
32
250 & 594
250 & 880
250 & 975
1450
0 10 20 30 40 50
11.5 42
SUPPLY VOLTAGE, V dc
V dc LOAD Ω
MIN. LOAD WITH
COMMUNICATOR
OR PC-BASED
CONFIGURATOR
SEE NOTE BELOW
NOTE
Transmitter will function with an output load
< 250 Ω provided that a HART Communicator
or PC-based Configurator is not connected to it.
Use of a HART Communicator or PC-based
Configurator requires 250 Ω minimum load.
250
OPERATING
AREA
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PSS 2A-1C14 B
Page 11
FUNCTIONAL SPECIFICATIONS (Cont.)
Configuration and Calibration Data
All factory characterization data and user
configuration and calibration data are stored in the
sensor, as shown in the transmitter block diagram,
Figure 17. This means that the electronics module
may be replaced, with one of like type, without the
need for reconfiguration or recalibration. Replacing
the module can affect accuracy by a maximum of
0.20% of span. Error can be removed by a mA trim
that does not require application of pressure.
Electronics Upgradeability
As stated above, all factory characterization data is
stored in the sensor and is accessed by each
electronics module type.This means that electronics
modules can be changed from one type to another,
allowing for easy upgrade from an analog output
type to a fully intelligent type module. Changing
module types may require reconfiguration and
recalibration, but all factory characterization data is
retained.
Communications
Configurable for either Analog (4 to 20 mA) or
Multidrop Mode. Digital communications is provided
in both modes based upon the FSK (Frequency Shift
Keying) technique which alternately superimposes
one of two different frequencies on the uninterrupted
current carried by the two signal/power wires.
ANALOG MODE (4 to 20 mA)
The 4 to 20 mA output signal is updated 30 times
per second. Digital communications between the
transmitter and HART Communicator or PC-based
Configurator is rated for distances up to 3050 m
(10 000 ft). The communications rate is 1200 baud
and requires a minimum loop load of 250 ohms.
See Figure 20.
MULTIDROP MODE (FIXED CURRENT)
Multidrop Mode supports communications with up
to 15 transmitters on a single pair of signal/power
wires. The digital output signal is updated 4 times
per second and carries pressure measurement
and sensor/electronics temperatures (internal
recalculation rate for temperature is once per
second). Communications between the transmitter
and the system, or between the transmitter and
HART Communicator or PC-based Configurator, is
rated for distances up to 1525 m (5000 ft). The
digital communications rate is 1200 baud and
requires a minimum loop load of 250 ohms. See
Figure 21.
Remote Communications
The HART Communicator or PC-based Configurator
has full access to all of the “Display” and “Display
and Reconfigure” items listed below. It may be
connected to the communications wiring loop and
does not disturb the mA current signal. Plug-in
connection points are provided on the transmitter
terminal block.
“Display” Items
• Process Measurement in Two Formats
• Transmitter Temperatures (Electronics and
Sensor)
• mA Output
“Display and Reconfigure” Items
• Zero and Span Calibration
• Reranging without Pressure
• Linear or Square Root Output
• Choice of Pressure and Flow EGU
• Electronic Damping
• Temperature Sensor Failure Strategy
• Failsafe Direction
• Tag, Descriptor, and Message
• Date of Last Calibration
Figure 20. 4 to 20 mA Output Block Diagram
Figure 21. Typical Multidrop Block Diagram
INDICATOR
HART COMMUNICATOR OR PC-BASED
CONFIGURATOR MAY BE CONNECTED AT
ANY POINT IN THE LOOP, SUBJECT TO THE
250 Ω SHOWN.
CONTROLLER
OR RECORDER
+
+
+
+
250 Ω MINIMUM BETWEEN POWER
SUPPLY AND COMMUNICATOR
POWER
SUPPLY
HART
COMPATIBLE
MODEM
HOST
COMP.
GAUGE
PRESS
XMTR
POWER
SUPPLY
d/p Cell
XMTR
TEMP.
XMTR
250
MIN.
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PSS 2A-1C14 B
Page 12
FUNCTIONAL SPECIFICATIONS (Cont.)
Configuration Capability
CALIBRATED RANGE
– Input range within Span and Range Limits
– One of pressure units shown in Table 2
OUTPUT MEASUREMENT #1 –
DIGITAL PRIMARY VARIABLE AND 4 TO 20 mA
Mode
Linear or Square Root
Units for Linear Mode
One of pressure units shown in Table 2
Units for Square Root Mode
One of flow units shown in Table 3
OUTPUT MEASUREMENT #2 –
DIGITAL SECONDARY VARIABLE
Mode
Linear or Square Root (independent of
Measurement #1)
Units for Linear Mode
One of pressure units shown in Table 2
Units for Square Root Mode
One of flow units shown in Table 3.
Optional Custom Configuration (Option -C2)
For the transmitter to be custom configured by the
factory, the user must fill out a data form. If this
option is not selected, a standard default
configuration will be provided; for example:
(a) Address is 1 to 15 for multidrop applications.
(b) See Table 2. If not specified, the factory default calibration is
zero to maximum span; default units vary by sensor code.
(c) Within Span and Range Limits for selected sensor code.
(d) Same as Calibrated Range.
(e) Fixed current is used for multidrop applications.
Any of the above configurable parameters can easily
be changed using the HART Communicator or PCbased Configurator.
Table 2. Allowable Linear Pressure Units
for Calibrated Range (a)
inH2O
ftH2O
mmH2O
mH2O
psi
inHg
mmHg
–
Pa
kPa
MPa
–
atm
bar
mbar
–
g/cm2
kg/cm2
torr
–
(a) See Optional LCD Indicator for percent (%) display.
Table 3. Allowable Square Root (Flow) Units
% flow
l/s
l/m
l/h
Ml/d
gal/s
gal/m
gal/h
gal/d
Mgal/d
m3/s
m3/m
m3/h
Nm3/h
Sm3/h
Am3/h
m3/d
ft3/s
ft3/m
ft3/h
ft3/d
Igal/s
Igal/m
Igal/h
Igal/d
bbl/s
bbl/m
bbl/h
bbl/d
lb/h
kg/h
t/h
MMSCFD
Parameter
 Standard
(Default)
Config.
Example of
Custom
Configuration
(Option -C2)
Tagging Info.
Tag
 (8 char. max.)
Descriptor
 (16 char. max.)
Message
 (32 char. max.)
HART Poll Address
 (0 to 15)
TAG
TAG NAME
LOCATION
0
FT103A
FEEDWATER
BUILDING 4
0 (a)
Calibrated Range
Pressure EGU
LRV
URV
per S.O. (b)
per S.O. (c)
per S.O. (c)
inH2O
0
100
Measurement #1
Linear/Sq. Root (Flow)
Pressure/Flow EGU
Range
Output
Linear
per S.O. (d)
per S.O. (d)
4 to 20 mA
Sq. Rt
gal/m
0-500 gal/m
4 to 20 mA (e)
Measurement #2
Linear/Sq. Root (Flow)
Pressure/Flow EGU
Range
Linear
per S.O. (d)
per S.O. (d)
Linear
inH2O
0-100
Other
Electronic Damping
Failsafe Direction
Temperature Sensor
Failure Strategy
Ext. Zero Option
None
Upscale
Continue
Enabled
0.5 s
Downscale
Failsafe
Disabled
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PSS 2A-1C14 B
Page 13
FUNCTIONAL SPECIFICATIONS (Cont.)
Optional Liquid Crystal Display (LCD) Digital
Indicator with Pushbuttons (Figure 22)
Indicator Provides:
• Two Lines; Five numeric characters on top line
(four when a minus sign is needed); and seven
alphanumeric characters on bottom line.
• Measurement Readout; Value displayed on top
line, and units label displayed on bottom line.
• Configuration and Calibration prompts.
Pushbuttons (two) Provide the Following
Configuration and Calibration Functions:
• Zero and Span settings, non-interactive to
automatically set output to either 4 mA or 20 mA
using the “NEXT” and “ENTER” pushbuttons.
• 4 and 20 mA Jog Settings, allowing the user to
easily increment the mA output signal up or down
in fine steps to match a value shown on an
external meter.
• Linear or Square Root Output
• User-entered cutoff point from 0 to 20% of
maximum flow.
• Forward or Reverse Output
• Damping Adjustment
• Enable/Disable Optional External Zero
• Temperature Sensor Failure Strategy
• Failsafe Action
• Units Label (Bottom Line of Display)
• Settable Lower and Upper Range Values for
Transmission and Display (Top Line)
• Reranging
• Percent (%) Output
Optional External Zero Adjustment
An external pushbutton (Figure 22) mechanism is
isolated from electronics compartment and
magnetically activates an internal reed switch
through the housing. This eliminates a potential leak
path for moisture or contaminants to get into the
electronics compartment. This zero adjustment can
be disabled by a configuration selection.
Figure 22. LCD Indicator with On-Board Pushbuttons
TOPWORKS
WITH COVER
REMOVED
OPTIONAL
LCD
INDICATOR
"ENTER"
"NEXT" PUSHBUTTON
PUSHBUTTON
NEXT ENTER
OPTIONAL
EXTERNAL
ZERO
PUSHBUTTON
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PSS 2A-1C14 B
Page 14
OPERATING, STORAGE, AND TRANSPORTATION CONDITIONS
(a) When Traditional Structure Codes 78/79 (pvdf inserts in Hi- and Lo-side process covers) are used, maximum overrange is 2.1 MPa
(300 psi), and temperature limits are -7 and +82°C (20 and 180°F); when DIN Construction Options D2/D4/D6/D8 are used,
temperature limits are 0 and 60°C (32 and 140°F).
(b) Selection of Option -J extends the low temperature operative limit of transmitters with silicone filled sensors down to -50°C (-58°F).
(c) Although the LCD will not be damaged at any temperature within the “Storage and Transportation Limits”, updates will be slowed and
readability decreased at temperatures outside the “Normal Operating Conditions”.
(d) With topworks cover on and conduit entrances sealed.
(e) 11.5 V dc can be reduced to 11 V dc by using a plug-in shorting bar; see “Supply Voltage Requirements” section and Figure 23.
(f) Sensor process wetted diaphragms in a vertical plane.
(g) Refer to the Electrical Safety Specifications section for a restriction in ambient temperature limits with certain electrical certifications.
Influence
Reference
Operating
Conditions
Normal Operating
Conditions (a) Operative Limits (a)
Storage and
Transportation
Limits
Process Connection Temp.
• with Silicone Fill Fluid
• with Fluorinert Fill Fluid
• 24 ±2°C
(75 ±3°F)
• 24 ±2°C
(75 ±3°F)
• -29 to + 82°C
(-20 to +180°F)
• -29 to + 82°C
(-20 to +180°F)
• -46 and +121°C(b)
(-50 and +250°F)
• -29 and +121°C
(-20 and +250°F)
• Not Applicable
• Not Applicable
Electronics Temperature
• with LCD Indicator (c)
• 24 ±2°C
(75 ±3°F)
• 24 ±2°C
(75 ±3°F)
• -29 to + 82 °C(g)
(-20 to +180 °F)(g)
• -20 to + 82 °C(g)
(-4 to +180 °F)(g)
• -40 and +85°C(g)
(-40 and +185°F)(g)
• -29 and +85°C(g)
(-20 and +185°F)(g)
• -54 and +85°C
(-65 and +185°F)
• -54 and +85°C
(-65 and +185°F)
Relative Humidity (d) 50 ±10% 0 to 100% 0 and 100% 0 and 100%
Noncondensing
Supply Voltage – mA Output 30 ±0.5 V dc 11.5 to 42 V dc (e) 11.5 and 42 V dc (e) Not Applicable
Output Load – mA Output 650 Ω 0 to 1450 Ω 0 and 1450 Ω Not Applicable
Vibration 1 m/s2 (0.1 “g”) 6.3 mm (0.25 in) Double Amplitude:
from 5 to 15 Hz with Aluminum Housing and
from 5 to 9 Hz with 316 ss Housing
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
0 to 30 m/s2 (0 to 3 “g”) from 15 to 500 Hz with
Aluminum Housing; and
0 to 10 m/s2 (0 to 1 “g”) from 9 to 500 Hz with
316 ss Housing
11 m/s2
(1.1 “g”)
from 2.5 to 5 Hz
(in Shipping
Package)
Mounting Position Upright or
Horizontal (f)
Upright or Horizontal
(f)
No Limit Not Applicable
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Page 15
PERFORMANCE SPECIFICATIONS
Zero-Based Calibrations; Cobalt-Nickel-Chromium or Stainless Steel Sensor w/Silicone Fluid; Under Reference
Operating Conditions unless otherwise Specified. URL = Upper Range Limit and Span = Calibrated Span.
Accuracy (Linear Output) - Table 1 (a)
(a) Accuracy includes Linearity, Hysteresis, and Repeatability.
(b) Add ±0.04% for Span Code A, and ±0.02% for Span
Code E.
(c) Subtract ±0.01% for digital output accuracy.
Accuracy (Square Root Output) (a)
(a) Accuracy includes Linearity, Hysteresis, and Repeatability.
Stability
Long term drift is less than ±0.05% of URL per year
over a 5-year period.
Calibration Frequency
The calibration frequency is five years. The five
years is derived using the values of allowable error
(% span), TPE (% span), performance margin
(% span), and stability (% span/month); where:
Power-up Time
Less than 5 seconds for output to reach first valid
measurement.
RFI Effect
The output error is less than 0.1% of span for radio
frequencies in the range of 27 to 1000 MHz and field
intensity of 30 V/m when the transmitter is properly
installed with shielded conduit and grounding, and
housing covers are in place. (Per IEC Std. 61000-4-3.)
Supply Voltage Effect
Output changes less than 0.005% of span for each
1 V change within the specified supply voltage
requirements. See Figure 19.
Vibration Effect
Total effect is ±0.2% of URL per “g” for vibrations in
the frequency range of 5 to 500 Hz; with double
amplitudes of 6.3 mm (0.25 in) in the range of 5 to
15 Hz, or accelerations of 3 “g” in the range of 15 to
500 Hz, whichever is smaller, for transmitter with
aluminum housing; and with double amplitudes of
6.3 mm (0.25 in) in the range of 5 to 9 Hz, or
accelerations of 1 “g” in the range of 9 to 500 Hz,
whichever is smaller, for transmitter with 316 ss
housing.
Position Effect
Any zero effect caused by mounting position can be
eliminated by rezeroing. There is no span effect.
Static Pressure Effect
The zero and span shift for a 7 MPa, 1000 psi,
change in static pressure is:
ZERO SHIFT (a)
SPAN SHIFT
±0.15% of Reading.
Switching and Indirect Lightning Transients
The transmitter can withstand a transient surge up to
2000 V common mode or 1000 V normal mode
without permanent damage. The output shift is less
than 1.0%. (Per ANSI/IEEE C62.41-1980 and
IEC Std. 61000-4-5.)
Ambient Temperature Effect
Total effect for a 28°C (50°F) change within Normal
Operating Condition limits is:
NOTE
For additional ambient temperature effect
when pressure s
UNIQUE PROCESS COVER AND CELL BODY
DESIGN
Biplanar Construction (Figure 2) maintains the
traditional horizontal process connections and vertical
mounting by providing a cell body contained between
two process covers, while still achieving light weight,
small size, and high standard static pressure rating of
25 MPa (3625 psi). This provides easy retrofit of any
conventional differential pressure transmitter, and
also is easily mounted in the horizontal position with
vertical process connections, when required.
Figure 2. Biplanar Construction Shown with
Traditional Horizontal Process Connections
Process Covers (Figure 2) are fully supported by the
cell body over their entire height. This prevents
bending and results in a highly reliable seal. Also, this
provides dimensional stability to the process covers,
ensuring that they will always mate properly with 3-
valve bypass manifolds.
Process Cover Bolts (Figure 2) are enclosed to
minimize corrosion and to minimize early elongation
with rapid temperature increases. The design makes
it less likely for the transmitter to release process
liquid during a fire.
Process Cover Gaskets are ptfe as standard; ptfe
provides nearly universal corrosion resistance, and
eliminates the need to select and stock various
elastomers to assure process compatibility.
Light Weight provides ease of handling, installation,
and direct mounting without requiring costly pipe
stands.
TRANSMITTER STRUCTURES
Traditional and low profile structures (LP1 and LP2)
are offered to accommodate and to provide flexibility
in transmitter installations. See paragraphs below.
Traditional Structure
The traditional structure (Figure 3) utilizes the right
angle design common to most DP transmitters in use
throughout the world. Process connections are
oriented 90 degrees from the transmitter centerline.
This traditional structure makes it easy to retrofit any
transmitters of similar design.
Sensor cavity venting and draining is provided for
both vertical and horizontal transmitter installation,
using innovative tangential connections to the sensor
cavity (Figures 4 and 5). Optional side vents are
offered for sensor cavity venting in the upright
position (Figure 6).
An extensive variety of process-wetted materials are
available for the process covers on this highly
versatile and widely used transmitter.
Figure 3. Vertical Mounting Showing
Process Connections at 90 degrees
Figure 4. Vertical Mounting - Cavity Draining
Figure 5. Horizontal Mounting -
Cavity Venting, and Self-Draining into Process Line
Figure 6. Vertical Mounting - Cavity Venting,
and Self-Draining into Process Line
CELL BODY
ENCLOSED
BOLTS
SUPPORTED
PROCESS
COVER
TRADITIONAL
STRUCTURE
PROCESS
CONNECTIONS
90˚
TRADITIONAL
STRUCTURE
PROCESS
COVER DRAIN SCREW
TRADITIONAL
STRUCTURE
TRADITIONAL VENT SCREW STRUCTURE
OPTIONAL
SIDE VENT
SHOWN
PLUG
TRADITIONAL
STRUCTURE
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Page 5
Low Profile Structures
The low profile structures utilize an in-line design,
placing the process connections in line with the
transmitter centerline (Figures 7 and 8). This allows
mounting of the transmitter in the upright position with
the process connections facing downward, for
connection to vertical process piping or for mounting
directly to a three- or five-valve manifold.
The low profile structures provide a mounting style
similar to that used by competitive Coplanar™
transmitters. This makes it easy to select Foxboro
transmitters for both retrofit and new applications
where this type of installation is desired.
Transmitters with the low profile structure can be
attached directly to existing, installed Coplanar
manifolds, such as the Rosemount Model 305RC or
Anderson Greenwood Models MB3, MB5G, and
MB5P, by use of an optional adapter plate (Figure 9).
Also, when assembled to the same process piping or
manifold as a Coplanar transmitter, one of the
electrical conduit connections is located within ± one
inch of the similar conduit connection on the
competitive transmitter, assuring ease of retrofit or
conformance with installation design drawings.
All parts making up the low profile versions are
identical to the parts in the traditional version except
for the process covers and the external shape of the
sensor cell body.
For user convenience, two types of low profile
structures are offered, type LP1 and LP2. The
process covers are the only transmitter parts that
differ between structure types LP1 and LP2.
Refer to the sections that follow for further
descriptions of low profile structures LP1 and LP2