PD 3950 USB to P-NET Interface

General information

The PD 3950 USB to P-NET Interface module provides an interface between the P-NET Fieldbus and a standard PC running VIGO The Fieldbus Management System version 5.7 or higher.

Using the PD 3950, any standard desktop, laptop or single board PC with a USB port, may be used as a node in a P-NET installation, in applications such as process and factory automation, machine control, building automation, data acquisition etc.

Specific Features

· P-NET Fieldbus communication interface.

· P-NET RS485, multi-master P-NET interface.

· Galvanically isolated P-NET communication port.

· Manual baudrate selection 9600, 76800 Baud.

· Can be connected to any standard USB port or USB HUB.

· Powered by the USB port via the USB cable.

· Supports firmware upgrade via USB.

· Channel for holding application licences.

· Compact designed, suitable for wall mounting, mounting underneath desk etc.

PD 3950 Block Schematic

The following block diagram shows the internal structure of a PD 3950 USB to P-NET Interface:

Channel Structure

The PD 3950 consists of 3 channels as shown in the table.

Channel No.	Channel name	Channel description
0	Service	Service channel
1	LicenceCh	Channel for holding application licences
2	USBCh	USB channel

Electrical Specifications


*Power consumption*	Max. 246 mA

*Temperature*
Operating temperature	-25 °C - 70 °C
Storage temperature	-40 °C - 85 °C

*Humidity*
Relative humidity:	Max. 95%

*EMC*
EN 61000-6-2, EN 61000-6-3

Mechanical Details

The PD 3950 USB Interface is housed in a black plastic case.

*Dimensions*	(WxHxD)	66 x 51 x 35 mm
Case material		Polycarbonate
Front foil		ABS
Back plate		Black anodized aluminum
Weight		75 grams

USB Cable

PROCES-DATA recommends that only the provided USB cable is used together with the PD 3950 USB interface.