Lenze E94P PositionServo Modbus User Manual download pdf (Page 12)

12P94MOD01C

Installation

• Maximum cable length for UTP/STP CAT5e cable is typically 100m. For other categories consult the cable

data sheet.

• Use ﬁber optic segments to:

• Extend networks beyond normal cable limitations.

• Overcome different ground potential problems.

• Overcome very high electromagnetic interference.

• Spurs or T connections are not permitted on an Ethernet cable. To create additional connections an Ethernet

switch must be used.

• The use of wireless networking products for industrial applications is becoming more acceptable, but

extreme care must be taken during the design phase and consultation with an industrial wireless provider

is strongly recommended.

3.3.4 Connections and Shielding: EIA-485

To ensure good system noise immunity all network cables should be correctly grounded:

• Minimum recommendation of grounding is that the network cable is grounded once in every cubical.

• Ideally the network cable should be grounded on or as near to each drive as possible.

• For wiring of cable to the connector plug the unscreened cable cores should be kept as short as possible;

recommended maximum of 20mm.

max

onnect to

cubical panel/

ear

th (PE) as

close to driv

as possible

Figure 4: EIA-485 Connection

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Lenze E94P PositionServo Modbus User Manual Page 12