FB1100 Flow Computer Instruction Manual
D301752X012
November 2023
Introduction 11
Autonomous Measurement Mode
You can configure the FB1100 Flow Computer to operate as a low power measurement
device that operates independently for one year. In this autonomous measurement
mode, the flow computer operates similarly to earlier generation chart recorders,
collecting data from non-critical, low-flow applications and storing it for later retrieval.
Autonomous measurement mode supports collection of data from the multi-variable
sensor and RTD only. This mode requires the lithium battery pack; no external power
supply is required.
You can interact with the device through the HMI module's infrared buttons or through a
laptop running FBxConnect. To maintain low power consumption for the battery, using
this mode limits you to 30 minutes of interaction per month.
See Appendix E for more information.
RoHS2 Compliance
Device with Integral MVS:
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.
Secure Gateway
For enhanced data security when using an IP/Ethernet connection or a serial connection
into an IP terminal server, Emerson Energy and Transportation Solutions recommends
adding an industrial router with VPN and firewall security. Recommended solutions
include the MOXA EDR‐810, the Hirschman Eagle One, or the Phoenix mGuard rs4000 (or
equivalents). An example of how to install one of these devices to the RTU can be found in
the Emerson Energy and Transportation Solutions MOXA® Industrial Secure Router
Installation Guide (part number D301766X012). For further information, contact your
Emerson Impact Partner or the individual vendor’s website.
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