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FloBossTM 503 Flow
Manager
The
FloBoss 503 Flow Manager is a high-performance, single-run flow computer
that provides superior value where the orifice-plate metering of natural gas
is required. It is designed for Class I, Division 2 hazardous areas and has
internal mounting space for a radio and up to four batteries.
Advanced Technology. The
FloBoss 503 features a 32-bit processor for quick response to I/O, fast
calculation results, and excellent communications support. A Dual-Variable
sensor measures both static and differential pressure for accurate flow
measurement. The sensor’s reference accuracy of 0.075% helps reduce lost
and unaccounted gas. Field calibration is also lessened due to the sensor’s
high stability.
The Dual-Variable sensor is
normally mounted to the bottom of the FloBoss 503 enclosure for Class I,
Division 2 installations. A remote-mount sensor is available for Class I
Division 1 installations.
The FloBoss 503 lowers battery
and solar panel costs because it employs a standby mode that reduces power
consumption during periods of inactivity. In addition, a power control
feature helps reduce the power consumed by radios and cell phones.
Easy to Use. The
FloBoss 503 makes the complex calculations associated with AGA-compliant gas
flow measurement simple to implement. To reduce the time needed to get each
unit up and running quickly, the firmware provides default values for key
parameters.
The FloBoss 503 offers users PID
loop control capability for precise, tight regulation of a control valve.
Likewise, user-defined logic and sequencing control is a standard feature
that can solve a wide range of measurement and control problems not possible
with traditional flow computers.
A built-in display panel on the
front cover of the FloBoss 503 scrolls up to 16 user-selectable values for
quick, convenient viewing.
Supported by ROCLINK. The
FloBoss 503 can be configured and operated on-site using our Windows® based
ROCLINK software package. ROCLINK runs on almost any laptop or desktop
personal computer and uses a simple fill-in-the-blanks approach to
configuration.
Modular and Expandable. The
power requirements of the FloBoss 503 are met by up to four low-cost 7
amp-hour batteries that are suitable for either solar or line-powered
installations.
In addition to the operator
interface port, a second communication port is available for host
communication or equipment interfacing. By using plug-in cards, this port
can interface to an EIA-232 (RS-232) or EIA-485 (RS-485) direct line, or to
a dial-up phone line.
The FloBoss 503 can interface to
a variety of field instrumentation, such as transmitters, control valves,
and motors, using plug-in I/O expansion cards. Two cards are available, one
with 10 I/O channels and the other with 24 I/O channels. Each provides a
combination of analog and discrete inputs and outputs.
Easy to Integrate. The
FloBoss 503 offers system integrators a choice of native ROC or MODBUS
protocols for seamless integration into new or existing automation systems.
Both polled and spontaneous report-by-exception communication strategies can
be implemented.
The FloBoss 503 is supported by
popular host software packages from companies such as Cygnet, Intellution,
Standard Automation, US Data, and Wonderware.
Specification
Summary.
Input/Output
-
Dual-variable
sensor measures static and differential pressure with a reference
accuracy of ±0.075% and stability of ±0.1%.
-
Built-in RTD
input.
-
Optional
10-channel I/O card adds 4 discrete inputs (2 can be used as pulse
inputs), 2 discrete outputs, 3 analog inputs, and 1 analog output.
-
Optional
24-channel I/O card adds 8 selectable discrete inputs/outputs, 8 analog
inputs, 2 discrete inputs, 2 relay outputs, 2 analog outputs, and 2
pulse inputs.
Communications
-
One operator interface port
is standard.
-
One additional port is
available using a plug-in card of the following types:
EIA-232, EIA-485, or dial-up modem.
-
ROC and Modbus protocols are
supplied.
Functionality
-
AGA gas measurement for 1
meter run.
-
PID loop control with
override for 1 loop.
-
Logic/sequencing control
implemented through 2 function sequence tables (FSTs).
-
Archival of 15 history
points.
-
Logging of 240 alarms and 240
events.
-
16 log-on identifiers (IDs)
may be stored for security.
-
Sampler control for odorizers,
etc.
Compliance
-
AGA-3 and AGA-8 (version
1992).
-
API Chapter 21.1.
Approvals
Approved by CSA for hazardous locations, Class 1, Division 2, Groups A, B,
C and D.
Enclosure
Powder-coated 14 gauge carbon steel. Meets CSA Type 4 rating (NEMA 4). 18.12 inches high
(with sensor) by 13.8 inches wide by 7.25 inches deep (457 mm by 351 mm by 184 mm).
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FloBoss
503
Document
Downloads in PDF format (brochure, spec sheets, manuals)
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