Using the Modbus Plus Ports

Cluster Mode Cabling Schemes, Continued

Termination

You must terminate both ends of the network with special terminating resistors.

 

 

 

 

Description

Part Number

 

 

 

 

Modbus Plus or Modbus RS485 Terminating RJ45 Resistor Plugs

170 XTS 021 00

 

(pack of 2)

 

 

 

 

 

 

 

Cable Between

Nodes in a

Cluster

Cable Between Clusters

Drop Cables

The minimum length of cable between nodes in a cluster is 10 in (.25 m).

Description

Part Number

 

 

Modbus Plus / Modbus RS485 Short Interconnect Cable

170 MCI 020 10

 

 

Modbus Plus or Modbus RS485 3 ft. Interconnect Cable

170 MCI 020 36

 

 

 

 

The minimum length of cable between clusters is 10 ft. (3 m).

Description

Part Number

 

 

Modbus Plus or Modbus RS485 10 ft. Interconnect Cable

170 MCI 021 80

 

 

Modbus Plus or Modbus RS485 30 ft. Interconnect Cable

170 MCI 020 80

 

 

 

 

Drop cables connecting a cluster to the trunk cable must be at least 10 ft. (3 m) long. A 10 ft. drop cable is available. A 30 ft. drop cable may be fabricated by removing one RJ45 connector from a 30 ft. interconnect cable. Connect the open end of the cable to a Modbus Plus tap, using the wiring illustrations on page 194.

Description

Part Number

 

 

Modbus Plus 10 ft. Drop Cable

170 MCI 021 20

 

 

Modbus Plus or Modbus RS485 30 ft. Interconnect Cable

170 MCI 020 80

 

 

 

 

 

Continued on next page

188

870 USE 101 10 V.2

Page 188
Image 188
Schneider Electric Processor Adapter manual Termination, Minimum length of cable between clusters is 10 ft m