FB1100/FB1200 Flow Computer CPU Module Field Replacement Guide
D301802X012
November 2020
Required Tools
Electrical Ratings
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.
2
#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
o
2 Analog Outputs: 4-20 mA
o
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.
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