Momentum Modbus Plus 170 PNT Series Guide de l'utilisateur télécharger pdf (Page 100)

100

101

Using the Modbus Ports

870 USE 101 00 V.2.2

Modbus Port 2,

Continued

Default

Parameters

The factory-set default communication parameters for Modbus Port 2 are:

9600 baud

EVEN parity

8-bit RTU mode

1 stop bit

Modbus network address 1

RS232 protocol

Note:

Processor Adapters support only one stop bit. If you change this default

setting in the configuration software, the Processor Adapter will ignore the change.

Note:

The protocol must be changed from RS232 to RS485 for the

171 CCS 780 00and 171 CCC 780 10 Processor Adapters or the port will not

function.

Auto-Logout

Feature Only

with RS232

If the Serial Option Adapter is used and the RS232 port is chosen, auto-logout is

supported. If a programming panel is logged into the CPU via the serial port and its

cable gets disconnected, the Processor Adapter automatically logs out the port.

This auto-logout feature is designed to prevent a lock-up situation that could

prevent other host stations from logging in on other ports.

Auto-logout is not available for any RS485 port, including the RS485 option on the

Serial Option Adapter. The user must log out of the processor using the

programming software.

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Momentum Modbus Plus 170 PNT Series Guide de l'utilisateur Page 100

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