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PD 990 4-WIRE P-NET Conditioner:

The PD 990 4-WIRE P-NET Conditioner unit is a multipurpose device that is used for:

• Termination of a 4-WIRE P-NET bus
• Connection of a traditional P-NET module to a 4-WIRE P-NET bus
• Connection and termination of a traditional P-NET module to a 4-WIRE P-NET bus

The PD 990 4-WIRE P-NET Conditioner is delivered as a moulded unit having 5 wires of 200 mm length.

                                               200 mm.

PD 990 4-WIRE P-NET Conditioner label:

Wiring of the PD 990 4-WIRE P-NET Conditioner:

Depending on the required function of the P-NET conditioning unit, some of the wires may not be used. The unused wires can be cut off. Please refer to the wiring principles below for an explanation of the different functions.

4-WIRE P-NET Termination:

Traditional P-NET device connected to P-NET 4-WIRE bus:

Traditional P-NET device connected to P-NET 4-WIRE bus with termination:

4-WIRE P-NET termination principle:

The PD 990 4-WIRE P-NET Conditioner is used for terminating 4-WIRE P-NET.

4-WIRE P-NET termination diagram:

Termination equals: 113Ω and applies a bias voltage of 0.7V at 5V

Related topics

4-WIRE P-NET topology

PD 990 4-WIRE P-NET Conditioner

Ordering information

Installation overview