X8-9-483837模块备件

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S10-IDE-483930

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
0.00（无）、0.25、0.50、1、2、4、，
8、16或32秒，以较大者为准，90%
从中定义的80%输入步骤中恢复
ANSI/ISA S51.1。（对于63.2%的回收率，0.50 s
传感器B至E，传感器A为0.60秒。）
零点和量程调整
零点和量程调整可以从
HART通信器、基于PC的配置器或
可选液晶显示器，带车载
按钮。
非零基范围的归零
双功能调零允许使用
变送器对大气开放，即使有
基于非零的范围。这大大简化了
多个压力和液位的位置效应归零
应用。它适用于可选的LCD指示器，具有
车载按钮和可选外部零点
调整
过量程、故障和离线的电流输出
条件
写保护跳线
可以将所有配置器锁定在
更改变送器数据库。这使得
适用于安全停机系统的变送器
需要此功能的应用程序。
平方根低流量截止
用户可使用HART通信器、基于PCB的配置器或带车载的可选LCD进行配置
按钮提供：
•用户可设置为在任何流速下切断至零
在大流量的0%到20%之间。
•流量<大流量的10%时截止到零
（大压差的1%）。
•或零和之间的有源点对点线路
大流量的20%（大流量的4
压差）。
小允许对压力vs。
变送器温度
使用硅胶填充液
全真空：高达121°C（250°F）
含氟惰性填充液
请参阅图18。
图18.小允许值
对压力与变送器温度，
25°C（77°F）下的氟惰性FC-43，2.6 cSt
电源电压要求和外部回路
负载限制（图19）
图19所示的小电压为11.5 V dc。
通过使用
现场测试插座上的插入式跳线
接线室接线板。见图23。
图19.4至20mA输出，
电源电压与输出负载
离线用户可在4到4之间配置
20毫安
传感器
失败
用户可配置为LO故障或
失败高
故障低3.60 mA
欠量程3.80 mA
超量程20.50 mA
故障高21.00 mA
对压力，mmHg
-25 0 50 100 150 200 250
温度，˚F
氟惰性
FC-43流体
操作
面积
-30 0 30 60 90 120
140
120
100
80
60
40
20
0
温度，˚C
1500
1000
500
0
输出负载，
Ω
电源电压
和负载极限
24
30
32
250 &amp; 594
250 &amp; 880
250 &amp; 975
1450
0 10 20 30 40 50
十一点五四二
电源电压，V dc
V直流负载Ω
小负载
通信器
或基于PC的
配置器
见以下注释
注释
变送器将在输出负载下工作
< 250 Ω 前提是HART通信器
或者基于PC的配置程序未连接到它。
使用HART通信器或基于PC的
配置程序需要250Ω 小负载。
250
操作
面积
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PSS 2A-1C14 B
11页
功能规范（续）
配置和校准数据
所有工厂特征数据和用户
配置和校准数据存储在
传感器，如变送器框图所示，
图17。这意味着电子模块
可替换为类似类型，无需
需要重新配置或重新校准。更换
该模块对精度的影响大为
跨度的0.20%。可以通过mA微调来消除错误
这不需要施加压力。
电子产品升级能力
如上所述，所有工厂特征数据均为
存储在传感器中，每个传感器都可以访问
电子模块类型。这意味着电子产品
模块可以从一种类型更改为另一种类型，
允许从模拟输出轻松升级
键入全智能型模块。改变
模块类型可能需要重新配置和
重新校准，但所有工厂特征数据
保留。
通信
可配置为模拟（4至20 mA）或
多点模式。提供数字通信
在基于FSK（频移）的两种模式中
键控）交替叠加的技术
不间断电源上的两个不同频率之一
两条信号/电源线携带的电流。
模拟模式（4至20 mA）
4至20 mA输出信号更新30次
每秒。数字通信

S10-IDE-483930

S10-IDE-483930

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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PSS 2A-1C14 B
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