Momentum Modbus Plus 170 PNT Series Guía de usuario Pagina 102

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Using the Modbus Ports
90
870 USE 101 00 V.2.2
Four-Wire Cabling Schemes for Modbus RS485 Networks,
Continued
Slave Cabling
The slaves use a pin-for-pin cable, such as the Modbus Plus / Modbus RS485
Short Interconnect Cable or any Cat. 5 4-Twisted Pair Ethernet cable AWG#24.
Single Master/
Slave Option 1
The following diagram shows components used in a four-wire single master/slave
cabling scheme. In this view, a master cable (#3) is used on both sides of the
master. Each Momentum module must include a Processor Adapter or Option
Adapter with a Modbus RS485 port.
Continued on next page
Description Part Number
Modbus Plus / Modbus RS485 Short Interconnect Cable 170 MCI 020 10
Label Description Part Number
1 Terminating resistor plug 170 XTS 021 00
2 Modbus RS485 connector “T” (DB9 base) 170 XTS 040 00
3 Modbus RS485 Master Communication Cable 170 MCI 041 10
4 Modbus Plus / Modbus RS485 Short Interconnect Cable 170 MCI 020 10
5 Modbus RS485 connector “T” (RJ45 base) 170 XTS 041 00
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