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Termination resistor connection, Communication cable specifications, Cable length – Yaskawa V1000 Option DeviceNet User Manual

Page 24: 5 installation procedure

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5 Installation Procedure

24 YASKAWA

ELECTRIC

TOBP C730600 28B V1000 Option DeviceNet Installation Manual

3.

After the terminal block is fully attached to the option unit, tighten the

screws on the left and right sides of the terminal block. (Tightening torque:

0.5 to 0.6 (N

x

m) or 4.4 to 5.3 (inch-lbs))

Note: Be sure to put the option cover back on after all wiring is completed.

Figure 2.12

Figure 14 Terminal Board Installation

Termination Resistor Connection

A network termination resistor (121

Ω, ±1%, 1/4 W) must be connected only to nodes of the

two ends of trunkline. Refer to ODVA specification for more details on DeviceNet

termination.

Communication Cable Specifications

Refer to the ODVA website for more information on network cabling.
(http://www.odva.org/)

Cable Length

Trunk Line

The maximum allowed trunk line length depends on the type of cable used and the network

baud rate. The total cable length includes the length of the trunk and the sum of all the drop

lines.

Table 7 Trunk Line Cable Length

Baud Rate (kbps)

Thick Cable (m)

Thin Cable (m)

125

500

100

250

250

100

Screwdriver blade size

Up to
3.5 mm

blade width up to 0.6 mm