10338-51000-483771模块备件

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10310-58000-483962

4至20 mA输出信号更新30次
每秒。之间的数字通信
变送器和HART通信器或基于PC的
配置器的额定距离可达3050米
（10000英尺）。通信速率为1200波特
并且需要250欧姆的小回路负载。
见图20。
多点模式（固定电流）
多点模式支持与up的通信
一对信号/电源上有15个发射器
电线。数字输出信号更新4次
每秒，并进行压力测量
和传感器/电子设备温度（内部
温度的重新计算率为每小时一次
二）。发射器之间的通信
和系统之间，或发射器和
HART通信器或基于PC的配置器
额定距离可达1525米（5000英尺）。这个
数字通信速率为1200波特
需要250欧姆的小回路负载。看见
图21。
远程通信
HART通信器或基于PC的配置器
可以完全访问所有“显示”和“显示”
并重新配置下面列出的“项目”。可能是这样
连接至通信线路回路和
不会干扰mA电流信号。插件
变送器上设有连接点
接线板。
“显示”项目
•两种格式的过程测量
•变送器温度（电子和
传感器）
•mA输出
“显示和重新配置”项目
•零点和量程校准
•无压力重新调整量程
•线性或平方根输出
•EGU压力和流量的选择
•电子阻尼
•温度传感器故障策略
•故障保护方向
•标签、描述符和消息
•上次校准日期
图20.4至20mA输出框图
图21典型多点框图
指示器
HART通信器或基于PC的
配置器可以连接在
循环中的任何点，取决于
250Ω 展示。
控制器
或记录器
+
+
+
+
250Ω 功率之间的小值
电源和通讯器
功率
供应
雄鹿
兼容的
调制解调器
主机
公司。
仪表
按
XMTR公司
功率
供应
d/p电池
XMTR公司
临时雇员。
XMTR公司
250
小。
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PSS 2A-1C14 B
12页
功能规范（续）
配置能力
校准范围
–量程和范围限制内的输入范围
–表2中所示的一个压力单位
输出测量#1–
数字一次变量和4至20 mA
模式
线性或平方根
线性模式的单位
表2所示的压力单位之一
平方根模式的单位
表3所示的流量单位之一
输出测量#2–
数字二次变量
模式
线性或平方根（独立于
测量#1）
线性模式的单位
表2所示的压力单位之一
平方根模式的单位
表3所示的流量单位之一。
可选自定义配置（选项C2）
变送器由
工厂，用户必须填写数据表。如果
未选择选项，这是标准默认值
将提供配置；例如：
（a） 对于多点应用，地址为1到15。
（b） 见表2。如果未指定，工厂默认校准为
零至大跨度；默认单位因传感器代码而异。
（c） 在选定传感器代码的量程和范围限制内。
（d） 与校准范围相同。
（e） 固定电流用于多点应用。
上述任何可配置参数都可以轻松
使用HART通信器或基于PCB的配置器进行更改。
表2允许线性压力单位
校准范围（a）
inH2O
ftH2O
mmH2O
mH2O
磅/平方英寸
inHg公司
毫米汞柱
–
帕
千帕
兆帕
–
自动取款机
酒吧
毫巴
–
克/平方厘米
千克/平方厘米
托尔
–
（a） 有关百分比（%）显示，请参阅可选LCD指示器。
表3.允许平方根（流量）单位
%流量
长/秒
长/米
升/小时
毫升/天
加仑/秒
加仑/米
加仑/小时
加仑/天
毫克/日
立方米/秒
立方米/米
立方米/小时
Nm3/h
Sm3/h
Am3/h
立方米/天
ft3/s
立方英尺/米
ft3/h
立方英尺/天
Igal/s
Igal/m
Igal/h
Igal/d
桶/秒
桶/米
桶/小时
桶/日
磅/小时
千克/小时
吨/小时
MMSCFD
参数
标准
（默认）
配置。
示例
风俗
配置
（选项-C2）
标记信息。
标签
（多8个字符）
描述符
（多16个字符）
消息
（多32个字符）
HART轮询地址
（0到15）
标签
标签名称
位置
0
FT103A
给水
4号楼
0（a）
校准范围
压力EGU
轻轨车辆
URV公司
按照S.O.（b）
按照S.O.（c）
按照S.O.（c）
inH2O
0
100
测量#1
线性/平方。根（流）
压力/流量EGU
范围
输出
线性的
按照S.O.（d）
按照S.O.（d）
4至20 mA
平方Rt
加仑/米
0-500加仑/米
4至20 mA（e）
测量#2
线性/平方。根（流）
压力/流量EGU
范围
线性的
按照S.O.（d）
按照S.O.（d）
线性的
inH2O
0-100
另外
电子阻尼
故障保护方向
温度传感器
故障策略
外部零选项
没有一个
档的
持续
启用
0.5秒
缩小规模
故障保护
残废
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PSS 2A-1C14 B
13页
功能规范（续）
可选液晶显示器（LCD）数字
带按钮的指示器（图22）
指示器提供：
•两条线路；顶行有五个数字字符
（四w

10310-58000-483962

10310-58000-483962

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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PSS 2A-1C14 B
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