2-2SectionBoard Components and their Functions
31
9. Communications Switches SW201 and SW202
The Communications Switches control the communications settings for the
peripheral port and RS-232C port.
(OFF when shipped.) (OFF when shipped.)
SW201 SW202
ONON
OFF OFF
Switch settings Peripheral port RS-232C port
SW202 SW201 communications communications
OFF OFF Programming Console connection The settings in the PC
OFF ON Other Programming Device:
The settings in the PC Setup
(DM 6650 to DM 6654) are used.
Setup (DM 6645 to
DM 6649) are used.
ON OFF Programming Console connection The standard settings
ON ON Other Programming Device:
The standard settings are used.
are used.
Note a) The standard settings are 1 start bit, 7 data bits, 2 stop bits, even
parity, and 9,600 bps baud rate.
b) Be sure that Communications Switch SW201 is OFF when con-
necting a Programming Console.
10. Analog Settings
Turning these controls changes the contents of IR 250 and IR 251. The con-
tents of these words can be set independently between 0 and 200.
11. DIP Switch Inputs
The ON/OFF status of IR 00108 through IR 00111 reflects the ON/OFF sta-
tus of these DIP switch pins.
Pin Corresponding input bit
1IR 00108
2IR 00109
3IR 00110
4IR 00111
12. Expansion I/O Connector
Connects the CPU Board to an Expansion I/O Board. Up to 3 Expansion I/O
Boards can be connected to a CPU Board.
13. Battery
This battery backs up memory in CPU Boards equipped with an internal
clock. The battery is connected when the Unit is shipped.