Current Wiring; Two Wire Rtd Wiring; Table 2-4 Three And Four Wire Sensor Connections; Figure 2-12 Dc Current Wiring Example - External Excitation - Omega OM-DAQXL-1 Series User Manual

2
Hardware

2.6.1.3 Current Wiring

For current measurement a 50Ω shunt resistor is provided.

Figure 2-12 DC Current Wiring Example - External Excitation

2.6.2 Two, Three & Four Wire Sensors
Sensor Type
Temperature
Bridge
Pressure Transducer
2.6.2.1 Two-Wire RTD Wiring
For RTD sensors the positive colored red and the common lead can be either
black or white. A jumper wire must be connected between the negative leads of
the two assigned channels as shown in figure 2-13.
2-7
2 Wire RTD
3 Wire RTD
4 Wire RTD
Thermistor
Strain Gage
Load Cell

Table 2-4 Three and Four Wire Sensor Connections

Figure 2-13 Two-Wire RTD Wiring Example
Odd Channel
+ -
RTD+ RTD–
RTD+ RTD–
RTD+ RTD–
Th+ Th-
EXC+ EXC-
EXC+ EXC-
EXC+ EXC-
Even Channel
+ -
RTD-
RTD-
RTD+ RTD-
Th-
V+ V-
V+ V-
V+ V-