Industrial Communication Guide

3.5. TABLE WITH OVERVIEW OF THE INDIVIDUAL FIELDBUSES

Profibus DP

Profibus PA

CAN (DeviceNet)

Transmission medium Cable: 2-wire, shielded, twisted,

Cable: 2-wire or 4-wire (with power supply), shielded, twisted (copper strand, tin-plated) Conductor cross-section: 0.25 mm² to 0.75 mm² Characteristic impedance; 120 ohm, Overall shielding: Copper braiding, tin-plated, with drain wire

Cable: 2-wire, shielded, twisted pair

Conductor cross-section: >0.34 mm 2 , Characteristic impedance: 150 ohm Use of fiber optic cables (FO) possible (multi-mode, single-mode fiber-glass and plastic fiber), maximum extension 90 km

Conductor cross-section: >0.8 mm 2 Characteristic impedance: 100 ohm Power supply optionally possible in cable

Connector

M12 plug (5-pin) for use outside the switch cabinet for IP 65/IP 67 7/8-inch connector for IP 67

Sub-D plug for use in switch cabinet No. of pins: 9-pin

Sub-D plug (9-pin) for use in switch cabinet for IP 20, IP 30 Connection technology: Screw terminal, insulation displacement, cage clamp technology Active bus termination/ terminating resistor available M12 plug (5-pin) for use outside the switch cabinet for IP 65/IP 67 Connection technology: Screw terminal, Improved EMC due to solid metal housing

Connection types: Screw terminal, Fast Connect (insulation displacement), internal cage con- nector Maximum transmission rate is 12 Mbit/s Protection class: IP 20, IP 30 Improved EMC due to metallic housing M12 plug for use outside the switch cabinet for IP 65/IP 67 No. of pins: 5-pin Connection types: Screw terminal Improved EMC due to solid metal housing

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