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Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual Section 3: Electrical installation
3-9000-765 Rev D March 2013
Frequency/Digital outputs 59
Output for FODO1 and Digital Output1 (Group 1 on the CPU Module) share a common ground
and have 50V isolation. FODO2 and FODO3 (Group 2 on the CPU Module) share a common
ground and have 50V 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 500V rms dielectric.
Figure 3-6 CPU Module - Frequency/Digital outputs common ground
A.
A. FODO1 and Digital input1 - shared common ground (Group 1)
B. FODO2 and FODO3 - shared common ground (Group 2)
B.