Micromod MOD: Modcell 2050R MODBUS Communications Instrukcja Użytkownika Pobierz pdf (Strona 17)

IB-23C650M

RS-485 COMMUNICATIONS SETUP

Table 1. RS-485 Setup Menu

Middle

Display

Bottom

Display

Entry Description

**MENU**

None.

ENABLE ON

OFF

= enables the bus for communications with a

host device.

= disables the communications bus from

receiving or writing with a host device.

The bus must be disabled in order to make

changes in the following steps.

ADDRESS XXX Where X is any address between 1 and 247.

Each instrument on a bus must have a unique

address.

RATE XXXX Where X is one of the following baud rates;

150, 300, 1200, 2400, 4800, 9600, 19200,

38400. All devices on the same bus must have

the same baud rate.

SELECT

ODD

EVEN

= Parity calculation is odd.

= Parity calculation is even.

Note: Total word length equals start bit (1) +

data (8 bits) + parity (1) + stop bits (1/2).

Total word length can be 11 or 12 bits.

BITS 1

= One stop bit appended to character.

= Two stop bits appended to character.

TYPE RD_ONLY

RD/WRITE

= Allows the host device to read only from the

controller.

= Allows the host device to read data from and

write data to the controller.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 69 70

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Micromod MOD: Modcell 2050R MODBUS Communications Instrukcja Użytkownika Strona 17