Table 4. Error Status of E1 and E2 LEDs (Continued)
Error
E1 LED
E2 LED
Device error
Off
On
Flash format error
Off
On
Note
The reported error depends on the measuring range. For information about
input scaling, refer to the device datasheet on
.
Connecting a Thermocouple
Figure 4. Absolute Temperature Measurement
24 VDC
TC+ (0:3)
TC– (0:3)
Thermocouple
REM-11120
+
–
x4
a1
a2
b1
b2
•
Each channel can connect to a separate thermocouple.
•
Internal cold junction compensation determines the measuring temperature.
Figure 5. Differential Temperature Measurement
24 VDC
TC+ (0:3)
TC– (0:3)
Thermocouple 1
REM-11120
+
–
x4
a1
a2
b1
b2
Shield
Thermocouple 2
•
To determine exact differential temperature, connect two thermocouples in series to one
channel.
10
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REM-11120 Getting Started Guide
