Emerson FB2200 Users guide
Emerson FB2200 Flow Computer Instruction Manual
Emerson FB2200 Flow Computer
Instruction Manual
D301784X012
November 2020
Remote Automation Solutions
Emerson FB2200 Flow Computer Instruction Manual
D301784X012
November 2020
Device Safety Considerations
Reading these Instructions
Before operating the device, read these instructions carefully and understand their safety implications. In some
situations, improperly using this device may result in damage or injury. Keep this manual in a convenient location
for future reference. Note that these instructions may not cover all details or variations in equipment or cover
every possible situation regarding installation, operation, or maintenance. Should problems arise that are not
covered sufficiently in the text, immediately contact Customer Support for further information.
Protecting Operating Processes
A failure of this device – for whatever reason -- may leave an operating process without appropriate protection and
could result in possible damage to property or injury to persons. To protect against this, you should review the
need for additional backup equipment or provide alternate means of protection (such as alarm devices, output
limiting, fail-safe valves, relief valves, emergency shutoffs, emergency switches, etc.). Contact Remote
Automation Solutions for additional information.
Returning Equipment
If you need to return any equipment to Remote Automation Solutions, it is your responsibility to ensure that the
equipment has been cleaned to safe levels, as defined and/or determined by applicable federal, state and/or local
law regulations or codes. You also agree to indemnify Remote Automation Solutions and hold Remote
Automation Solutions harmless from any liability or damage which Remote Automation Solutions may incur or
suffer due to your failure to ensure device cleanliness.
Grounding Equipment
Ground metal enclosures and exposed metal parts of electrical instruments in accordance with OSHA rules and
regulations as specified in Design Safety Standards for Electrical Systems, 29 CFR, Part 1910, Subpart S, dated: April
16, 1981 (OSHA rulings are in agreement with the National Electrical Code). You must also ground mechanical or
pneumatic instruments that include electrically operated devices such as lights, switches, relays, alarms, or chart
drives.
Important: Complying with the codes and regulations of authorities having jurisdiction is essential to ensuring
personnel safety. The guidelines and recommendations in this manual are intended to meet or exceed applicable
codes and regulations. If differences occur between this manual and the codes and regulations of authorities
having jurisdiction, those codes and regulations must take precedence.
Protecting from Electrostatic Discharge (ESD)
This device contains sensitive electronic components which be damaged by exposure to an ESD voltage.
Depending on the magnitude and duration of the ESD, it can result in erratic operation or complete failure of the
equipment. Ensure that you correctly care for and handle ESD-sensitive components.
System Training
A well-trained workforce is critical to the success of your operation. Knowing how to correctly install, configure,
program, calibrate, and trouble-shoot your Emerson equipment provides your engineers and technicians with the
skills and confidence to optimize your investment. Remote Automation Solutions offers a variety of ways for your
personnel to acquire essential system expertise. Our full-time professional instructors can conduct classroom
training at several of our corporate offices, at your site, or even at your regional Emerson office. You can also
receive the same quality training via our live, interactive Emerson Virtual Classroom and save on travel costs. For
our complete schedule and further information, contact the Remote Automation Solutions Training Department
at 800-338-8158 or email us at education@emerson.com.
Ethernet Connectivity
This automation device is intended to be used in an Ethernet network which does not have public access. The
inclusion of this device in a publicly accessible Ethernet-based network is
ii Contents
not recommended.
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Contents
Section 1: Introduction 1
1.1 Safety Labels ......................................................................................................................................... 3
1.2 Features ................................................................................................................................................ 3
1.3 FB2200 Flow Computer Models ............................................................................................................. 4
1.3.1 FB2200 Flow Computer – With Sensor ..................................................................................... 4
1.3.2 FB2200 Flow Computer – No Integral Sensor ............................................................................ 5
Central Processing Unit (CPU) ............................................................................................................... 5
1.4
1.4.1 Memory ................................................................................................................................... 5
1.5 Inputs & Outputs (I/O) ........................................................................................................................... 5
1.6 Power Options ...................................................................................................................................... 7
1.7 Communications .................................................................................................................................. 7
1.8 Human-Machine Interface (HMI) Module .............................................................................................. 8
1.9 FBxWifi™ Communications ................................................................................................................... 8
1.10 Software Tools ...................................................................................................................................... 9
1.11 RoHS2 Compliance ............................................................................................................................... 9
1.12 Physical Security ................................................................................................................................... 9
Section 2: Installation 13
2.1 Hazardous Locations ........................................................................................................................... 13
2.2 Environmental Specifications .............................................................................................................. 13
2.3 Required Tools .................................................................................................................................... 14
2.4 Site Considerations ............................................................................................................................. 15
2.5 General Wiring Guidelines ................................................................................................................... 20
2.6 Grounding .......................................................................................................................................... 21
2.7 Opening/Closing the Enclosure ........................................................................................................... 21
2.8 Mounting the Enclosure ...................................................................................................................... 22
2.8.1 Bolting Considerations ........................................................................................................... 22
2.8.2 O-rings with Flange Adapters ................................................................................................. 25
2.8.3 Pole Mounting – Aluminum Enclosure .................................................................................... 26
2.8.4 Pole Mounting – Fiberglass Enclosure ..................................................................................... 27
2.8.5 Panel/Wall Mounting Dimensions – Aluminum Enclosure ....................................................... 28
2.8.6 Panel/Wall Mounting Dimensions – Fiberglass Enclosure ........................................................ 29
2.8.7 Rotating the Housing ............................................................................................................. 31
2.9 Power Modes ...................................................................................................................................... 32
2.9.1 Low Power Mode .................................................................................................................... 32
2.9.2 Standard Power Mode ............................................................................................................ 33
2.9.3 Notes on Battery Life .............................................................................................................. 34
2.10 Connecting Power ............................................................................................................................... 35
2.10.1 Connecting DC Power ............................................................................................................ 35
2.10.2 Connecting Battery Power ..................................................................................................... 36
2.10.3 Connecting Solar Power ......................................................................................................... 44
2.11 Installing the Optional 30W Solar Panel ............................................................................................... 50
2.12 Adjusting the Optional Solar Panel ...................................................................................................... 52
2.13 Connecting Communication Ports ...................................................................................................... 54
2.13.1 Connecting to COM1 ............................................................................................................. 54
2.13.2 Connecting to COM2 and COM3 ............................................................................................ 57
2.13.3 Connecting to Ethernet .......................................................................................................... 59
2.14 Security Intrusion Switch ..................................................................................................................... 61
Contents iii
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Section 3: I/O Configuration and Wiring 63
3.1 Analog Inputs ...................................................................................................................................... 65
3.1.1 AI Wiring ................................................................................................................................ 67
3.2 Analog Outputs ................................................................................................................................... 68
3.2.1 AO Wiring .............................................................................................................................. 69
3.3 Digital Inputs ...................................................................................................................................... 70
3.3.1 DI Wiring................................................................................................................................ 71
3.4 Digital Outputs ................................................................................................................................... 72
3.4.1 DO Wiring .............................................................................................................................. 72
3.5 Pulse Inputs ........................................................................................................................................ 75
3.5.1 PI Wiring ................................................................................................................................ 76
3.6 Connecting the RTD/PRT ..................................................................................................................... 76
3.7 Connecting a Rosemount 4088B ......................................................................................................... 78
3.8 Wiring a Digital Output to the Optional Relay ...................................................................................... 81
3.9 Radio Wiring ....................................................................................................................................... 82
Section 4: Operation 83
4.1 Powering Up/Powering Down the Device ............................................................................................ 83
4.2 Establishing Communications ............................................................................................................. 83
Communicating with the SCADA Host.................................................................................... 83
4.2.1
4.2.2 Communicating with a Laptop Using One of the Serial Ports ................................................... 84
4.2.3 Communicating with a Laptop Using Ethernet ....................................................................... 84
4.2.4 Communicating with a Laptop Wirelessly with FBxWifi ........................................................... 85
4.3 Communicating Using the HMI Module ............................................................................................... 86
Section 5: Service and Troubleshooting 89
5.1 Returning the Unit for Repairs ............................................................................................................. 91
5.2 Interpreting the Status LEDs ................................................................................................................ 91
5.3 Switch and Buttons ............................................................................................................................. 93
5.4 Removing/Replacing the HMI Module ................................................................................................. 94
5.5 Replacing the Main Battery Pack.......................................................................................................... 94
5.6 Removing/Replacing the SRAM Battery ............................................................................................. 104
5.7 Upgrading System Firmware ............................................................................................................. 107
Appendix A: Special Instructions for Class I Division 2 Locations 109
Appendix B: ATEX Non-Sparking Zone 2 Certifications 113
Index 115
iv Contents
Section 1: Introduction
This section covers the following topics:
Safety Labels
Features
FB2200 Flow Computer Models
Central Processing Unit (CPU)
Inputs & Outputs (I/O)
Power Options
Communications
Human-Machine Interface (HMI) Module
FBxWifi™ Communications
Software Tools
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RoHS2 Compliance
Physical Security
The Emerson FB2200 Flow Computer measures pressure, differential pressure, and temperature
for one or two meter runs of natural gas. It works with both differential pressure-based meters
measuring static pressure (SP), differential pressure (DP), and temperature (T), and linear meters
measuring pulse or analog inputs, SP, and T.
This manual describes how to install and configure the Emerson FB2200 flow computer hardware.
For information on using the FBxConnect™ configuration software, see the online help that
accompanies FBxConnect.
Introduction 1
Emerson FB2200 Flow Computer Instruction Manual
1
HMI module
2
Front cover
3
Data plate
4
Enclosure
5
Sensor module
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Figure 1-1. FB2200 Flow Computer
2 Introduction
1.1 Safety Labels
DANGER
WARNING
CAUTION
SAFETY FIRST
This product may display safety label(s) to identify potential hazards. The same types of notices
appear within the documentation. Whenever you see an exclamation point (!) enclosed within a
triangle (shown to the left), consult the documentation for additional safety information about the
hazard and how to avoid it. The labels used are:
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MAY CAUSE DEATH
Observe all precautionary signs posted on the equipment.
Failure to do so may result in death or serious injury to personnel.
DANGER TO PERSONNEL AND EQUIPMENT
Observe all precautionary signs posted on the equipment.
Failure to do so may result in injury to personnel or cause damage to the equipment.
MAY CAUSE INJURY TO PERSONNEL OR DAMAGE EQUIPMENT
Observe all precautionary signs posted on the equipment.
Failure to do so may result in injury to personnel or cause damage to the equipment.
1.2 Features
Introduction 3
General instructions and safety reminders.
The FB2200 flow computer includes the following key features:
Enclosure suitable for use in Class I Division 2 non-incendive and Ex nA Zone 2 non- sparking
environments. Enclosure available in either aluminum or compression-molded fiberglass
Optional Integral multi-variable sensor for measurement of Pressure (P) and Differential
Pressure (DP)
Optional static pressure sensor, typically used with linear meters
Connections for customer-supplied resistance temperature detector (RTD) for measurement
of temperature (T)
Base I/O consists of two on-board channels you can individually configure as digital input
(DI), digital output (DO), or pulse input (PI) and two on-board I/O channels you can
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individually configure as either analog input (AI) or analog output (AO). Optional expansion
I/O modules are available.
Power from a DC power supply or an optional lead acid battery/solar panel combination
Serial communication options for RS-232, RS-485/422 (4-wire), and RS-485 (2-wire)
Optional 10/100 Base T-Ethernet port
HMI module with optional display and back light for local operator interaction
Optional Wi-Fi
computer from a laptop without physical cable connection
Application software supports AGA3, AGA8, ISO 5167, ISO 6976, and API 21.1 calculations in
either U.S., metric, or other natural gas standard units
®
transceiver (802.11 b/g) enabling a field technician to access the flow
1.3 FB2200 Flow Computer Models
You can purchase two basic models of the FB2200 flow computer. In addition, each model is
available in either an aluminum enclosure or a compression-molded fiberglass enclosure.
Either model includes two ¾ in NPT pipe-threaded conduit ports on the bottom of the enclosure to
permit entry of field conduit for I/O and communication wiring.
1.3.1 FB2200 Flow Computer – With Sensor
This version includes either a multi-variable (MV) sensor module (Figure 1-2) or a static pressure
sensor module (not shown).
Figure 1-2. FB2200 Flow Computer – Multivariable Sensor Version
4 Introduction
Emerson FB2200 Flow Computer Instruction Manual
Memory
Usage
8 MB SRAM
Holds in-use configuration, current state of all variables
Holds firmware image, historical logs, configuration backup (if saved to flash),
1.3.2 FB2200 Flow Computer – No Integral Sensor
The no integral sensor version includes no sensor module. In this case the process variable data
used in flow computer calculations comes from external devices and enters the device through the
serial ports or I/O channels.
Figure 1-3. FB2200 Flow Computer – No Integral Sensor Version
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1.4 Central Processing Unit (CPU)
The flow computer’s CPU is a NXP® Kinetis® K61 series CPU with an ARM® Cortex® M4 processor
that operates at 4 to 60 MHz depending on the power mode. The CPU runs the Micrium operating
system.
1.4.1 Memory
The flow computer includes both static and flash memory.
Table 1-1: Memory
128 MB Flash
and the executing program
1.5 Inputs & Outputs (I/O)
The flow computer comes with base I/O from both the CPU and the built-in multi-variable (MV)
sensor.
Base I/O consists of:
Introduction 5
Emerson FB2200 Flow Computer Instruction Manual
FB2200 Base Unit
FB2200 purchased with 8channel Expansion I/O Module
FB2200 purchased with 8-channel
Expansion I/O Module and 6channel Expansion I/O Module
MV Sensor (P, DP) or
MV Sensor (P, DP) or Static
MV Sensor (P, DP) or Static
2 DI/DO/PI channels
6 DI/DO/PI channels (4 residing
10 DI/DO/PI channels (4 residing
2 AI/AO channels
6 AI/AO channels (4 residing on
8 DI/DO channels (4 residing on
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Pressure (P) input from the MV sensor, differential pressure (DP) input from the MV sensor,
connections for temperature (T) input from a customer-supplied RTD/PRT -or – a single
Static Pressure Sensor with RTD/PRT connections. Alternatively, you can purchase the flow
computer without an integral sensor.
Two on-board I/O channels that you can individually configure as digital input (DI), digital
output (DO), or pulse input (PI)
Two on-board I/O channels that you can individually configure as either analog input (AI) or
analog output (AO)
An optional 8-channel expansion I/O board includes:
Four I/O channels that you can individually configure as digital inputs (DI), digital outputs
(DO), or pulse inputs (PI)
Four I/O channels that you can individually configure as either analog inputs (AI) or analog
outputs (AO)
If the optional 8-channel expansion I/O board is present, the device can optionally support an
additional 6-channel expansion I/O board which includes:
Four I/O channels that you can individually configure as digital inputs (DI), digital outputs
(DO), or pulse inputs (PI)
Two I/O channels that you can individually configure as either analog inputs (AI) or analog
outputs (AO)
Table 1-2. FB2200 I/O Configurations
Static Pressure (SP)
Sensor
Connections for
customer-supplied 2-,
Pressure (SP) Sensor
Connections for customersupplied 2-, 3-, or 4-wire
RTD/PRT
Pressure (SP) Sensor
Connection for customersupplied 2-, 3-, or 4-wire
RTD/PRT
3-, or 4-wire RTD/PRT
on the 8-channel expansion I/O
module).
on the 8-channel expansion I/O
module and 4 residing on the 6channel expansion I/O module)
6 Introduction
the 8-channel expansion I/O
module).
the 8-channel expansion I/O
module and 2 residing on the 6channel expansion I/O module)
1.6 Power Options
Option
Usage
External DC Power
Lead Acid Battery Pack
12 Vdc
Port
Type
Use
COM1
Serial communications
RS-232, RS-485/422 (4-wire), or RS-485
COM2 Serial communications
RS-232 or RS-485 (2-wire)
COM3 Serial communications
RS-232 or RS-485 (2-wire)
You can power the flow computer using an external DC input, or an internal rechargeable battery
connected to a solar panel.
Important
Use only batteries supplied with the flow computer or sold by Emerson Remote Automation
Solutions as spare parts for this flow computer. If you substitute a battery you obtain elsewhere
you will void your certification unless it is the identical part from the same manufacturer as that
supplied with the flow computer from Emerson.
Table 1-3. Power Options
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Supply
10.5 Vdc to 30 Vdc external supply (Max power at 10 watts)
1.7 Communications
The flow computer includes three serial communication ports and one Ethernet port. The serial
ports allow communication using DNP3, Modbus, BSAP, and ROC protocols. The Ethernet port is an
RJ-45 connector; the FB2200 supports a maximum of six concurrent TCP connections (sockets)
through this port.
Table 1-4. Serial Ports
Software-selectable for RS-232, RS485/422 (4-wire), or RS-485 (2-wire)
operation
4-wire
10.5 Ah
Not suitable with ATEX or IECEx applications
Optional solar panel and charge controller to charge battery
(supplied separately)
(2-wire) communication to host or other
devices. 4-wire used with external radio.
Introduction 7
Software-selectable for RS-232 or RS-485
(2-wire) operation
2-wire
Software-selectable for RS-232 or RS-485
(2-wire) operation
2-wire
communication to host or other
devices.
communication to host or other
devices.
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1.8 Human-Machine Interface (HMI) Module
The flow computer includes an HMI module with an optional liquid crystal display (LCD) for local
operator access to the device. The LCD, if present, shows a series of menus that sequentially
displays the current values of particular process variables. A configuration parameter in
FBxConnect determines whether you must first log in to view the menus. If required, you log in by
selecting alphanumeric characters by scrolling through a list until you select the correct character.
The HMI module includes four LEDs to provide status information. Units with the display include
four infrared (IR) buttons for operator interaction.
To conserve power the HMI module enters sleep mode after a period of inactivity. Sleep mode
disables FBxWifi communication. In FBxConnect, you can configure the number of minutes of
inactivity triggering sleep mode through the LCD Sleep Time parameter. Setting this parameter to
0 disables sleep mode which keeps the HMI module on but uses significantly more power.
Figure 1-4. HMI Module with LCD
Figure 1-5. HMI Module without LCD
Note
If your flow computer does not include the LCD option (shown in Figure 1-4), you still have the
status LEDs and a single IR button for waking up the device (shown in Figure 1-5).
1.9 FBxWifi™ Communications
The flow computer has an optional Wi-Fi® transceiver (FBxWifi) that enables you to connect via a
laptop or tablet from a distance. The distance supported varies depending on the laptop/tablet
8 Introduction
type and environmental conditions but is typically 70 to 100 feet from the front of the flow
computer and 40 to 60 feet from the side and rear of the flow computer.
This capability allows an operator to potentially remain outside the hazardous location and still
communicate with the flow computer. The operator's laptop must have Wi-Fi capability, line-ofsight access to the HMI module, and must be loaded with FBxConnect configuration software.
Once connected, the operator can view process values, edit configuration parameters, and collect
logs.
Note
The FBxWifi electronics reside inside the HMI module. The HMI module must be awake to use
FBxWifi communications You can wake it up manually by holding a finger against the front cover
glass over the Hold to Wake button (the left-most button) for typically from five to ten seconds.
1.10 Software Tools
The FBxConnect configuration software provides a series of wizards that allow you to perform
configuration activities for the flow computer. You connect a PC running the FBxConnect
configuration software to the flow computer using one of the communication ports or through a
wireless connection. You can then:
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Set parameters within your application
Configure I/O channels
Specify the serial communication method for a port (RS-232 to RS-485) as needed
View or collect audit trail information such as alarm, event, or historical logs
Update system firmware
1.11 RoHS2 Compliance
Device without Integral MVS or SP Sensor:
RoHS (2) EU Directive 2011/65/EU
Device with Integral MVS or SP Sensor:
RoHS (2) EU Directive 2011/65/EU: This product may be considered out-of-scope when used for
the intended design purpose in a Large Scale Fixed Installation (LSFI).
Consult https://www.emerson.com/compliance for up-to-date product information.
1.12 Physical Security
The flow computer enclosure enables you padlock the door shut. The fiberglass enclosure supports
two padlocks (left in Figure 1-6); the aluminum enclosure supports one padlock (right in Figure 1-6).
Introduction 9
Emerson FB2200 Flow Computer Instruction Manual
1
Location where customer-supplied padlocks can be used to lock the door
1
Cap
2
Prying off the latch
3
Cap removed
4
Latch removed
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Figure 1-6. Possible Padlock Locations
Holes in the door latches of the fiberglass enclosure allow you to attach a wire seal.
Alternatively, you can use a pan head screw (#10-32 X 0.81 316 SS or Monel alloy 400) with an Oring (0.15 ID, 0.07 W) in place of one or both door latches to screw the door shut. In this case, you
pry off the latch with a flat head screwdriver and pop out the mating cap to free up the holes for the
screw.
Figure 1-7. Removing Cap and Latch from Fiberglass Enclosure
For ATEX/IEC-compliant installations with the fiberglass enclosure, you must use one of these three
choices (padlock, wire seal, or screw).
For either enclosure type, you may apply tamper-evident tape to the four sensor coupling screws
and two rotation set screws to provide evidence of unauthorized sensor adjustments. The four
coupling screws also include holes through which you could attach a wire seal.
10 Introduction
Figure 1-8. Potential Locations for Tamper-evident Tape
1
Rotation Set Screws (2) – One shown
2
Coupling Screws (4) – Two shown
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Introduction 11
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12 Introduction
Section 2: Installation
This section covers the following topics:
Hazardous Locations
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Environmental Specifications
Required Tools
Site Considerations
General Wiring Guidelines
Grounding
Opening/Closing the Enclosure
Mounting the Enclosure
Power Modes
Connecting Power
Installing the Optional 30W Solar Panel
Adjusting the Optional Solar Panel
Connecting Communications Ports
Door Contact Terminal
The flow computer ships from the factory fully assembled, except for the optional solar panel
assembly.
2.1 Hazardous Locations
For North America the FB2200 has certifications for Class I Division 2 (Groups A, B, C, & D) nonincendive, and non-hazardous locations only. Appendix A contains special information for Class I
Division 2 installations.
For other world areas the FB2200 has ATEX and IEC Ex certifications for Ex nA Zone 2 non-sparking
installations and non-hazardous locations only. See Appendix B for more information.
All certifications are listed on the data plate located on the top of the device.
2.2 Environmental Specifications
This section summarizes the environmental specifications for the device. For full details, refer to
the product data sheet FB2200 Flow Computer (D301792X012).
Installation 13
Emerson FB2200 Flow Computer Instruction Manual
Specification
Configuration
Range
Aluminum Enclosure
Fiberglass Enclosure
Ambient
No battery, C1D2
–40 °C to +80 °C
–
35 °C to 80 °C
No Battery, C1D2,
–40 °C to 60 °C
–35 °C to 60 °C
Lead Acid Battery,
–40 °C to 45 °C
–35 °C to 45 °C
ATEX/IEC Ex nA
–25 °C to 55 °C
–25 °C to 55 °C
Humidity
5% to 95% non-condensing
Vibration
2g over 10 to 150 Hz; 1g over 150 to 200 Hz
Tool
Use
Torque wrench
For bolting/mounting the flow computer
2.5 mm hexagonal wrench
For manipulating rotation set screw
#1 Phillips-head screwdriver
For screws on HMI module
#2 Phillips-head screwdriver
For screws on other modules and boards
#3 Phillips-head screwdriver
For optional aluminum enclosure clamps
1/8 inch flat-head screwdriver
For 5.08 mm pitch terminal block connections
7/32 inch flat-head screwdriver
For installing external solar controller
Utility knife
For installing external solar controller
Wire cutters
For installing external solar controller
Wire strippers
For installing external solar controller
Laptop PC running Field Tools with FBxConnect
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Table 2-1. Environmental Specifications
Temperature
Relay installed
C1D2
No Battery
2.3 Required Tools
Certain tools and equipment are required for installing and servicing the flow computer.
Table 2-2. Required Tools
(-40 °F to +176 °F)
(–40 °F to 140 °F)
(–40 °F to 113 °F)
(–13 °F to 131 °F)
(–31 °F to 176 °F)
(–31 °F to 140 °F)
(–31 °F to 113 °F)
(–13 °F to 131 °F)
14 Installation
configuration software
For configuring
Emerson FB2200 Flow Computer Instruction Manual
2.4 Site Considerations
The flow computer must reside in an accessible location for configuration and service. Refer to the
dimensional drawings for information on the space required.
Ensure the installation location provides easy access to the HMI module.
If your unit includes the optional solar panel, ensure the installation location provides
sufficient space to mount the solar panel and adequate sunlight to charge the battery.
If your unit includes the optional FBxWifi ensure the installation location provides line-ofsight access to the transceiver.
Figure 2-1. Dimensions – Multivariable Sensor Version - Fiberglass Enclosure
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Figure 2-2. Dimensions – Multivariable Sensor Version - Aluminum Enclosure
16 Installation
Emerson FB2200 Flow Computer Instruction Manual
Figure 2-3. Dimensions – No Integral Sensor Version – Fiberglass Enclosure
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Installation 17
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Figure 2-4. Dimensions – No Integral Sensor Version – Aluminum Enclosure
18 Installation
Emerson FB2200 Flow Computer Instruction Manual
Figure 2-5. Dimensions – Static Pressure Sensor Version – Fiberglass Enclosure
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Installation 19
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Figure 2-6. Dimensions – Static Pressure Sensor Version – Aluminum Enclosure
2.5 General Wiring Guidelines
The flow computer’s pluggable terminal blocks use compression-type terminals that
accommodate wire between 28 and 12 AWG.
When making a connection, insert the bare end of the wire (approx. 1/4" max) into the clamp
adjacent to the screw and secure the screw.
To prevent shorts, ensure that no bare wire is exposed.
Allow some slack in the wire while making terminal connections. Slack makes the wires more
manageable and helps minimize mechanical strain on the terminal blocks.
Use twisted pair, shielded and insulated cable for communication and I/O wiring to minimize
signal errors caused by electromagnetic interference (EMI), radio frequency interference
(RFI) and transients. When using shielded cable, ground all shields at only one point in the
appropriate system. This prevents circulating ground current loops that can cause signal
errors.
20 Installation
2.6 Grounding
The flow computer includes a ground stud on the bottom of the battery compartment
Figure 2-7. Ground Stud
Once you have installed the unit, run a ground wire between the ground stud on the
bottom of the battery compartment and a known good earth ground. You route the
ground wire through one of the conduit fittings.
Use stranded copper wire to earth ground and keep the length as short as possible.
Clamp or braze the ground wire to the ground bed conductor (typically a stranded
copper AWG 0000 cable installed vertically or horizontally).
Run the ground wire so that any routing bend in the cable has a minimum radius of
30.48 cm (12 inches) below ground and 20.32 cm (8 inches) above ground.
For more information on grounding or if your installation uses cathodic protection, refer to Site
Considerations for Equipment Installation, Grounding, and Wiring (D301452X012).
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2.7 Opening/Closing the Enclosure
The enclosure opens/closes differently depending upon whether you have the fiberglass enclosure
or the aluminum enclosure.
DANGER
EXPLOSION HAZARD: Never open the enclosure in a hazardous location. Opening the enclosure in
a hazardous location could result in an explosion.
Fiberglass Enclosure
The enclosure includes two fasteners at the top and bottom of the door. To open the door,
lift the clasp to loosen the latch and pull it free of the post, then repeat for the other fastener
and open the door. To fasten the door, place the latch on the post and press down the clasp;
repeat for the other fastener.
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Figure 2-8. Fiberglass Enclosure Fasteners
Aluminum Enclosure
The enclosure includes six clamps along the edge of the door (two at the top, two on the
bottom, two at the side). To open the door, use a Phillips-head screwdriver to loosen (but not
remove) the screws enough so you can then pop the clamp free of the lip of the door, then
repeat for the other clamps and open the door. To fasten the door, place the clamp over the
door lip then tighten the screw torqueing to 20 in-lbs (2.3 N m); repeat for the other clamps.
Figure 2-9. Aluminum Enclosure Clamps
2.8 Mounting the Enclosure
You can mount the flow computer directly to a pole. You can also mount it on a wall or panel.
Bolting Considerations
If the flow computer installation requires assembly of a process flange, manifold, or flange
adapters, follow these assembly guidelines to ensure a tight seal for optimal performance
characteristics of the flow computer.
Only use bolts supplied with the flow computer or sold by Emerson Remote Automation Solutions
as spare parts. Refer to the figure for common flow computer assemblies with the bolt length
required for proper flow computer installation.
DANGER
EXPLOSION HAZARD: Ensure the area in which you perform this operation is non-hazardous.
Performing this operation in a hazardous area could result in an explosion.
22 Installation
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Note
For all other manifolds, contact your local Emerson Sales office or Emerson Impact Partner.
Bolts are typically carbon steel or stainless steel. Confirm the material by viewing the markings on
the head of the bolt and referencing the figure. If bolt material is not shown in the figure, contact
your local Emerson Remote Automation Solutions representative for more information.
Figure 2-10. Transmitter with Coplanar Flange
Figure 2-11. Transmitter with Coplanar Flange and Optional Flange Adapters
Figure 2-12. Transmitter with Traditional Flange and Optional Flange Adapters
Installation 23
Emerson FB2200 Flow Computer Instruction Manual
Bolt Material
Head markings
Initial Torque
Final Torque
1
Bolt
2
Sensor module
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Use the following bolt installation procedure:
Carbon steel bolts do not require lubrication. Stainless steel bolts are factory-coated with a
1.
lubricant to ease installation. Do not apply any additional lubricant when installing either
type of bolt.
Finger-tighten the bolts.
2.
Torque the bolts to the initial torque value using a crossing pattern. See Table 2-3 for initial
3.
torque value.
Torque the bolts to the final torque value using the same crossing pattern. See Table 2-3 for
4.
final torque value.
Verify that the flange bolts protrude through the sensor module before applying pressure.
5.
T
able 2-3. Torque Values for the Flange and Flange Adapter Bolts
Carbon Steel (CS)
Stainless Steel
(SST)
Figure 2-13. Proper Bolt Installation
300 in. -lbs.
(33.9 N m)
150 in. -lbs.
(16.9 N m)
650 in. -lbs.
(73.4 N m)
300 in. -lbs.
(33.9 N m
24 Installation
O-rings with Flange Adapters
1
Flange
2
O-ring
3
Square PTFE-based profile
4
Round Elastomer profile
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November 2020
DANGER
Failure to install proper flange adapter O-rings may cause process leaks, which can result in death
or serious injury. Only use the O-ring that is designed for its specific flange adapter.
Figure 2-14. O-rings with Flange Adapters
Whenever the flange or adapters are removed, visually inspect the O-rings.
1.
Replace the O-rings if there are any signs of damage, such as nicks or cuts.
2.
If the O-rings are replaced, re-torque the flange bolts and alignment screws after installation
3.
to compensate for seating of the O-rings.
Installation 25
Emerson FB2200 Flow Computer Instruction Manual
1
5/16-18 keps stainless steel hex nut
2
5/16-18 x 1.0 LG wire-lockable socket head cap screw
3
Pole mounting bracket
4
2-inch diameter 5/16-18 x 4.0LG U-bolt
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Pole Mounting – Aluminum Enclosure
Refer to Figure 2-15 during the mounting procedure.
Apply Loctite
1.
screws (Item 2).
Attach pole mounting brackets (Item3) to enclosure using head cap screws (Item 2) and hex
2.
nuts (Item 1). Torque hex nuts to 30 in-lbs (3.4 N m).
Apply Loctite 222 Threadlocker sparingly to threads of U-bolts (Item 4).
3.
Use U-bolts (Item 4) to mount enclosure to pole using hex nuts (Item 1). Torque hex nuts to
4.
30 in-lbs (3.4 N m).
Figure 2-15. Aluminum Enclosure Pole Mounting
®
222 Low Strength Purple Threadlocker sparingly to threads of head cap
26 Installation
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