Emerson FB1100 - Special Instructions for Class I Division 1 Locations; Explosion Proof and Unrated Circuits; Local Port Access in Hazardous Area; Communication Port Wiring

FB1100/FB1200 Flow Computer Termination Board Field Replacement Guide
D301820X012
November 2020
4
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 HMI Module
UL Listed Termination Board Field Installed Accessory Kit for Use in Class I, Division 1, Groups C,
D; Class I, Division 2, Groups A, B, C, and D
 Flow Computer Termination Board Field Installed Accessory Kit Part No. 399185-01-1 for
use with UL Listed Model Series FB1100.
 Flow Computer Termination Board Field Installed Accessory Kit Part No. 400216010-KIT
for use with UL Listed Model Series FB1200.
To replace the termination board, you first need to remove the battery enclosure/HMI module
assembly to gain access to the termination board screws on the inside of the flow computer.
1. Remove the front and rear end caps. Remove the retaining clamp on the front end cap (if
present) using a 3 mm hexagonal wrench.
Components of Retaining Clamp Assembly
1
Screw
2
Reta
ining Clamp
3
Washer
2. Grasp the end cap (front or rear).