Delta OHM HD2109.1, Operating Manual, Page: 21 / 46

HD2109
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V2.4
Open the two module shells: the printed circuit to which the probe must be connected is housed in-
side. On the left there are the 1…4 points on which the sensor wires must be welded. The JP1…JP4
jumpers are in the center of the board. These must be left open:
1
2
3
4
Pt100 3 wires
Pt1000
Ni1000
Not Used
Before welding, pass the probe cable through the fairlead and gasket.
Weld the wires as shown in the table:
Sensor TP47 board connection Jumper to close
Pt100 4 wires
4
JP4
3
JP3
1
JP1
2 JP2
Pt100
4 wires
None
Ensure the welds are clean and perfect. Once the welding operation is complete, close the two
shells, insert the gasket in the module, screw the fairlead. At the other end of the module, enter the
ring with the O-Ring as indicated in the picture.
Make sure the cable is not twisted while you are screwing the fairlead. Now the probe is ready.
Direct connection of 4-wire Pt100 sensor to a DIN45326 connector
The 4-wire Pt100 sensor can be soldered
directly to the DIN45326 female connec-
tor’s pins without having the need to use
the TP47 board. The 4 wires of the Pt100
sensors have to be soldered as indicated in
the figure on the left.
The P100 probe is recognized upon turning
on the instrument: connect the probe when
the instrument is switched off and then turn
it on.
The use of this probe type doesn’t require
any other settings. This connector does not
guarantee the IP66 protection degree.
Sensor Direct soldering to the connector
4-wire
Pt100
View of the soldering side
of the free female connector