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Instruction Manual
OCX 8800
Method 2, for Load Resistance < 250 Ohms
Refer to Figure
Do not make connections to the HART communicator's serial port,
1.At a convenient point, break the oxygen analog output
2.Plug the load resistor into the loop connectors (located on the rear panel of the HART communicator).
Figure 5-2. Signal Line Connections,
< 250 Ohms Load Resistance
Electronics Housing
| 1 |
A OUT | 1 + |
A OUT | 1 - |
RL <250Ω
O2
Analog Output Device
Loop
Connectors
HART Communicator
Rear Panel
250 OHM
Load Resistor
(See Note)
HART
Communicator
Model 275/375
NOTE: The signal loop must be broken to insert the optional 250 ohm load resistor.
37390021