Resistor Bridges (Strain Gauge); Figure 25: Connection Example: Resistor Bridges (Strain Gauge); Table 137: Terminal Assignment - Resistor Bridge (Strain Gauge) - WAGO 750-489 Manual

120 Connect Devices
6.3.6

Resistor Bridges (Strain Gauge)

Figure 25: Connection Example: Resistor Bridges (Strain Gauge)

Table 137: Terminal Assignment – Resistor Bridge (Strain Gauge)
Resistor
Bridge
1
2
Manual
Version 1.1.0, valid from FW Version 02
Designation Function
+E1 Measurement input of the reference voltage +U
−E1 Measurement input of the reference voltage −U
+I1 Output reference voltage (+U
−I1 Output reference voltage (−U
+I2
Not used
−I2 Not used
+E2 Measurement input of the bridge voltage +U
−E2 Measurement input of the bridge voltage −U
+E3 Measurement input of the reference voltage +U
−E3 Measurement input of the reference voltage −U
+I3 Output reference voltage (+U
−I3 Output reference voltage (−U
+I4 Not used
−I4
Not used
+E4 Measurement input of the bridge voltage +U
−E4 Measurement input of the bridge voltage −U
WAGO-I/O-SYSTEM 750
750-489 4AI RTD/TC/Strain Gauge Ex i
)
ref
)
ref
)
ref
)
ref
ref
ref
d
d
ref
ref
d
d