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Appendix BUsing Modems
153
PC Setup
Set up the RS-232C port on the PC using the RS-232C Port Setup in PC Setup from a Programming Device for the
PC. Set the RS-232C port as follows:
Example: Setting the baud rate to 9,600 bps
Set a unit number between 0 and 31. Other items must be set exactly as shown above.
Note CV-series PCs cannot be set up using the SYSMAC Support Software. Use the CV Support Software or the
Programming Console to set up CV-series PCs.
Host Link Port Setup for Connection to a Host Link Unit
Installed in a CVM1 or CV-series PC
This section describes how to set up the Host Link port (RS-232C port) using the rotary switches and DIP switch on
the Host Link Unit and the CPU Bus Unit Setup for the PC.
Note Before starting this setup procedure, create an I/O table to make the Host Link Unit ready for operation.
Rotary Switches on Host Link Unit
Use the rotary switches (SW1 to SW4) on the front panel of the Host Link Unit to set the CPU Bus Unit number, and
the unit number used in the Host Link system.
Set each rotary switch within the following setting range.
Rotary switch Setting details Setting range
SW1 Second digit of CPU Bus Unit number
00 to 15
SW2 First digit of CPU Bus Unit number
(decimal number)
SW3 Second digit of the unit number of
communications port 2
00 to 31
(decimal number)
SW4 First digit of the unit number of
communications port 2
Specify a CPU Bus Unit number that is different from the numbers of other CPU Bus Units installed in the same PC
(including those on Expansion CPU Racks).
Specify a unit number that is different from the unit numbers of other Host Link Units within the same Host Link
network. (The unit number of communications port 1 is fixed at 0.)