SonTek/YSI
ADVField/Hydra Operation Manual (September 1, 2001) 61
5. Connect the red, 2-pin input power connector to the Analog board. This cable goes to the
power and communication connector on the end plate.
6. Connect the red, 2-pin battery backup connector to the Analog board (systems with internal
recorder only). This cable goes to the backup battery mounted on the end plate.
7. Connect the black, 16-pin probe connector to the Analog board. This cable goes to the probe
connector on the end plate.
8. Connect the black, 10-pin temperature/pressure connector to the Analog board. This cable
goes to the probe connector on the end plate. This connector is not keyed; orient it such that
the two wires are connected to the pins farthest from the input power connector.
9. Connect the black, 16-pin auxiliary input/output connector to the DSP board. This cable goes
to the power and communication connector on the end plate.
10. Connect the black, 10-pin serial communication connector to the CPU board. This cable goes
to the power and communication connector on the end plate.
To close the canister
:
1. Clean and inspect the o-ring and o-ring surfaces on the end plate and the canister. Replace the
o-ring if necessary.
2. Slide the end plate assembly into the canister by aligning the horizontal plate with the ex-
truded slots on the inside of the canister. Be careful that no cables or connectors catch on the
inside of the canister. The assembly should slide smoothly into the canister until the end plate
rests against the canister.
3. Secure the end plate using the four 1/4”-20 screws. Tighten securely (at least until the lock
washers have been completely flattened) without over tightening.
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