Emerson FB2200 Flow Computer Instruction Manual
D301784X012
March 2019
I/O Configuration and Wiring 63
Section 3: I/O Configuration and Wiring
This section covers the following topics:
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Analog Inputs
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Analog Outputs
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Digital Inputs
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Digital Outputs
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Pulse Inputs
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Connecting the RTD/PRT
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Connecting a Rosemount 4088B Transmitter for Use in a Second Meter Run
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Wiring a Digital Output to the Optional Relay
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Radio Wiring
I/O in the FB2200 flow computer comes from the integrated multivariable sensor and RTD
connector, the CPU board, as well as the optional mixed I/O modules.
Note
When using a digital output to drive an inductive load (such as a relay coil), place a suppression
diode across the load. This protects the DO from the reverse Electro-Motive Force (EMF) spike
generated when the inductive load is switched off.
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