54
Connecting the Cables
Connecting resistance temperature detectors
Applicable modules: U8551, LR8531
You will need: a at-head screwdriver (with a tip width of 2.6 mm) and a resistance temperature
detector
Recommended wire diameter
Single-wire Diameter of 0.32 mm to 1.29 mm (AWG 26 to 16)
Stranded wire 0.2 mm
2
to 0.52 mm
2
(AWG 24 to 20)
Standard stripping length 9 mm
1
Open the terminal block cover.
2
Press down on the terminal button with the at-head screwdriver.
3
Insert the cable into the terminal hole while depressing the button.
Three-wire type: Insert the cables into the positive terminal (red), negative terminal (black), and SoL
terminal (black).
Four-wire type: Insert the cables into the positive terminal (red), negative terminal (black), SoL
terminal (black), and SoH terminal (red).
3-wire setup
4-wire setup
Cable insulation colors vary by country and manufacturer. Check before connecting.
4
Remove the at-head screwdriver from the button.
The cable will be locked in place. Pull gently on the cable and verify that it does not come out.
5
Connect the cable to the measurement target.
6
Close the terminal block cover.
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