Advantech WISE-4470 Series, Руководство пользователя

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29 WISE-4471 Series User Manual
Chapter 4
S
ystem
Configuration

Channel:
Indicates the number of bits. A maximum 64 bits can be shown here,
but you may map only fewer than 64 coils as bits, which makes the empty bits
invalid. The same applies to words, which may also have empty channels.

Value:
Indicate the value polling from mapped address.

Status:
Indicate the status of each bit or word, if a channel is empty and has not
been mapped to a Modbus slave address, its status will be "Unavailable."

Slave ID:
Indicates the Modbus salve ID of RS-485 Modbus slave devices.

Slave Address:
Indicates the address of a bit or word from an RS-485 Modbus
slave device.
For a writable bit or word, you can click
Edit
to switch to edit mode; here, you can
change the values and then click
Apply
to write the Modbus addresses individually.
Modbus Configuration - Common Settings Tab
In this tab, you can configure the parameters of the RS-485 port.

Baud Rate:
1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps

Data Bit:
7, 8

Stop Bit:
1, 2

Parity:
None, Odd, Even

Slave Response Timeout:
For setting the time for Modbus slaves to reply

Delay between Polls:
For setting the delay time between each Modbus instruc-
tion

CRC Check:
For disabling the CRC check to ignore Modbus CRC errors