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VD (E3.1) 10/2020 page 146/179
Connections at the measuring access port
• At the inner side of the measuring access port you can solder up to 9 cables. The inside connections
must be insulated against each other and against ground. Use 300 °C / 572 °F solder.
• The 9 contacts are conducted outside via the measuring access port. You can use them to connect a
device via the delivered plug.
Maximum load capacity of the switching contacts: 42 V AC/DC - 2A
DANGER
Electrical hazard due to exceeding the load capacity of the switching contacts.
Damage to switching contacts and connection socket. Deadly electric shock.
∅ Do NOT exceed the maximum switching load of 42 AC/DC – 2Amp.
∅ Do NOT connect any devices with a higher load capacity.
Insulate the inside connections against each other and against ground. Use 300 °C /
572 °F solder.
23.4 Object temperature display with flexible Pt 100 temperature sensor (option)
The object temperature display permits recording the object temperature directly on or in the drying
material. This enables the determination of the actual temperature of the charging material during the
whole process. The object temperature is measured via a flexible Pt100 sensor inside the inner chamber
and can be viewed on the controller display. The sensor needs to be in thermally conducting contact with
the charging material. It can be plunged into humid charging material up to the length of its protecting
tube.
23.4.1 Connection of the object temperature sensor
• Insert the Pt 100 temperature sensor from the rear through the measuring connection (12) into the
inner chamber.
• The 3 contacts of the Pt 100 sensor are conducted outside via a measuring access port. From there,
establish the connection to the 9-poles SUB-D socket “Object temperature input” (9) in the VD rear
control panel. Connect the supplied cable to the measuring access port and into SUB-D-socket (9).
Figure 22: Measuring connection (12) with
measuring access port
Figure 23: Sub D socket (9) “Object temperature input”
in the VD rear control panel to connect the optional Pt
100 sensor
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