
28 Texas Instruments Communication Driver Manual
There are two rotary switches on the DCM that select the network address of the PLC. This address
must match the assigned PLC ID in the PLC Name and Port Table. There are two dipswitches located
on the DCM. Dipswitch 1 sets the communication parameters. Switches 1, 2, and 3 of dipswitch 1
select the baud rate. Switch 4 sets the parity. Switch 5 must be set to OFF. Switches 6 through 8 set
the Response Time Delay. This should be set to 0ms.
Dipswitch 1
Dipswitch 2 sets the communication protocol and communication functions. Switch 1 and 2 select the
protocol to be used. The following table shows the valid switch setting for the Operator Station
Interface.
Operator Station Port Protocol Switch 1 Switch 2
TI-HL/M Hostlink
Slave
OFF OFF
TI-HL/P Hostlink
P/P
ON OFF
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