210
Using the Serial Gateway Section 6-4
Use the following flag to check whether a Serial Gateway response timeout or
send start timeout has occurred.
Step 2: Set the Local Network Tables in the Routing Tables (Using CX-Net).
This step is necessary only when routing table settings are required.
1,2,3... 1. Using CX-Net, select Setup from the Routing Table Menu. Select either
the option FINS Local or FINS Network using the option button to display
the Routing Table Window.
2. Click the Table View Tab, and create the local network table at the left of
the table.
3. Set the unit address (see note 1) of the serial port to be treated as a net-
work in the SIOU column as a decimal value. Set the network address to
be allocated to the serial port in the Local Network column on the right.
Local Network Table
Example: The following diagram shows the local network table for used to
allocated network address 3 to serial port 1 of a Serial Communications Unit
with unit number 1.
Serial Port Number
The serial port number for the Board/Unit is set as follows:
Serial Communications Units
• Port Number for Serial Port 1
• Port Number for Serial Port 2
Word Bit Contents
Board Unit
Port 1 Port 2 Port 1 Port 2
1908 1918 n+8 n+18 05 Serial Gateway response tim-
eout, Serial Gateway send
start timeout, or other timeout
(protocol macro Tfs, Tfr, or Tr)
1: Timeout; 0: Normal
132 3
Local network table
SIOU
Local Network
Enter the serial port number as a decimal
in the SIOU column.
Example: For serial port 1 of the Serial
Communications Unit with unit number 1,
80 hex + 04 hex x 1 = 84 hex = 132
decimal.
To treat the serial port indicated on the
left as a network, enter the network
address to be assigned in the Local
Network column.
Example: To assign network address 3,
enter the decimal value 3 in the Local
Network column.
Serial port Serial port number Example for unit number 1
Serial port 1
80 hex + 04 hex
× unit
number
80 hex + 04 hex × 1 = 84 hex
(132 decimal)
Serial port 2
81 hex + 04 hex
× unit
number
81 hex + 04 hex × 1 = 85 hex
(133 decimal)
Unit number0123456789ABCDEF
Hexadecimal 8084888C9094 989CA0A4A8ACB0B4B8BC
Decimal 128 132 136 140 144 148 152 156 160 164 168 172 176 180 184 188
Unit number0123456789ABCDEF
Hexadecimal 8185898D9195 999DA1A5A9ADB1B5B9BD
Decimal 129 133 137 141 145 149 153 157 161 165 169 173 177 181 185 189
Serial Communications Unit
Serial port 1
Serial port 2
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