Output for FODO1 and Digital Output1 (Group 1 on the CPU Module) share a
common ground and have 50 V isolation. FODO2 and FODO3 (Group 2 on the CPU
Module) share a common ground and have 50 V isolation. This allows an output to
be connected to a different flow computer. The outputs are opto-isolated from
the CPU Module and have a withstand voltage of at least 500 V rms dielectric.
Figure 3-6: CPU Module - Frequency/Digital inputs common ground - Type 2
A. FODO1 and Digital input1 - shared common ground (Group 1)
B. FODO2 and FODO3 - shared common ground (Group 2)
Figure 3-7: CPU Module - Frequency/Digital outputs common ground - Type 4
A. FODO1 and DI1/FODO6 - shared common ground - Type 4 CPU Module
(Group1)
B. FODO2, FODO3, FODO4 and FODO5 - shared common ground - Type 4 CPU
Module (Group2)
Electrical Installation Installation manual
January 2023 00825-0100-3814
56 Emerson.com/Rosemount
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