Emerson FB1100 Field Replacement Manual page 4

FB1100/FB1200 Flow Computer CPU Module Field Replacement Guide
D301802X012
November 2020
Required Tools
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Electrical Ratings
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WARNING
EXPLOSION HAZARD –Do not disconnect equipment unless power has been removed or the area
is known to be non-hazardous.
WARNING
EXPLOSION HAZARD -Substitution of any components may impair suitability for Class I, Division
1 or Class I, Division 2.
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.
DANGER
EXPLOSION HAZARD: Never remove end cap(s) in a hazardous location. Removing cover(s) in a
hazardous location could result in an explosion.
Removing/Replacing the CPU Module
UL Listed CPU Module Field Installed Accessory Kit for use in Class I, Division 1, Groups C, and D;
and Class I, Division 2, Groups A, B, C, and D.
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#1 Phillips-head screwdriver
#2 Phillips-head screwdriver
3/32-inch flat head screwdriver (for 3.81 mm pitch terminal block connections and
disconnecting the internal connector to the sensor)
Hexagonal torque wrenches with 3mm, #1, and #2 Phillips-head bits. Ranges must include 1
to 2 in-lbs (0.1 to 0.2 N-m), 4 to 6 in-lbs (0.5 to 0.7 N-m), and 10 to 12 in-lbs (1.1 to 1.4 N-m).
Input Voltage: 5.7-30Vdc, 10 Watts Max
I/O Ratings (FB1200 Flow Computer):
4 Digital Outputs: 0.5A, 24Vdc
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2 Analog Outputs: 4-20 mA
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Flow Computer CPU Board with DC power only Field Installed Accessory Kit Part No.
399134018-KIT for use with UL Listed Model Series FB1100 and FB1200.
Flow Computer CPU Board with lithium battery board Field Installed Accessory Kit Part No.
399393-01-1 for use with UL Listed Model Series FB1100.
Flow Computer CPU board with solar/lead acid battery charge board Field Installed
Accessory Kit Part No. 399381-01-0 for use with UL Listed Model Series FB1100 and FB1200.