Hardware Description: Basic System
The Main Board
2-6 AutoPILOT PRO Flow Computer User Guide
Thermo Fisher Scientific
The figure below shows typical connections between the low-power
transmitter and local analog inputs
Figure 2–4. Typical analog input wiring diagram
For transmitters that cannot sleep-cycle (typically Rosemount 3051C
types), configuration jumper J39 pins 7–8 must be installed on the main
board to keep the flow computer and transducers in the constant power
mode. Constant power mode is not recommended for operation from small
power sources, including the internal 28 AH battery.
Note
Transmitter options are not available for the local mount
AutoPILOT PRO XL.
TB4 on the main board is the local RTD connection. When connected to
TB4, the following optional RTD probe assemblies have been evaluated as
non-incendive connections if standard cabling and flexible conduit are used
(maximum cable length of 25 feet):
Thermo Scientific RTD probe assembly 3-0465-029
Thermo Scientific RTD probe assembly 3-0465-033
Another type of RTD probe with integral metal sheathing may connect to
TB4 on the main board with up to 25 feet of standard cabling between the
probe body and flow computer.
RTD Connection
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