Westermo LD-63 User Manual download pdf (Page 6)

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Connections LD-63 Profibus

LD-63 Profibus is specially developed for communi-

cation to units communicating with Profibus-DP or

FMS. The connection is easily made via a Profibus

cable connected to the 9-position D-sub on the unit.

Possibility to connect to a 9-position screw block is

also available.

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Line connection

Connections

Cable types

Connection example

Designation 9-pos D-sub 9-pos screw block Description

T/R-P 3 8 Line connection – P

T/R-N 8 7 Line connection – N

VP 6 9 +5V supply

DGND 5 6 Signal ground

Designation Impedance Capacity Resistance Conductor area

Cable type A 135–165Ω (3–20MHz) <30pF/m <110Ω/km ≥0,34 mm

(22AWG)

Cable type B 100–130Ω (>100kHz) <60pF7m – ≥0,22 mm

(24AWG)

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Profibus-DP/FMS

Profibus DP/FMS

Connection to 9-pos D-sub

Connection to screw block

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Westermo LD-63 User Manual Page 6