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DIP Switch Settings Section 6-1
6-1 DIP Switch Settings
The illustration shows the factory settings of the DIP switch. The factory set-
tings are also given in bold in the following table.
The tables after the following table provide details different setting combina-
tions for pins 5 and 7.
Note 1. When pin 4 is ON, it is possible to change the assignment of function codes
for expansion instruction. If power is turned ON with pin 4 turned OFF after
function code assignments have been changed, the settings will return to
the default settings and the information for the expansion instructions that
were changed will be lost. Also, if pin 4 is OFF, expansion instruction infor-
mation will not be transferred from the Memory Cassette.
2. The ON/OFF status of pin 6 is mirrored in AR 0712, so pin 6 can be used
as an option switch in the user program through AR 0712.
Pin Usage Setting Function
1 Write protection ON User program, read-only DM (DM 6144 to DM 6568), and PC Setup (DM 6600 to
DM 6655) cannot be written from a Programming Device.
OFF User program, read-only DM (DM 6144 to DM 6568), and PC Setup (DM 6600 to
DM 6655) can be written from a Programming Device.
2 Auto-transfer
from Memory
Cassette
ON Auto-transfer enabled.
User programs, read-only DM (DM 6144 to DM 6568), PC Setup (DM 6600 to DM
6655), and expansion instruction information stored on the Memory Cassette will
be transferred to the CPU Unit automatically at start-up.
If pin 4 is set to OFF, however, expansion instruction information will not be trans-
ferred and the default settings will be used.
OFF Auto-boot disabled.
3 Programming
Console display
language
ON English.
OFF The language stored in system ROM. (Messages will be displayed in Japanese
with the Japanese version of system ROM.)
4Expansion
instruction
setting
ON Expansion instructions set by user. Normally ON when using a host computer for
programming/monitoring. (See note 1.)
OFF Expansion instructions set to defaults.
5 Serial communi-
cations port
settings
ON Peripheral port and RS-232C port on CPU Unit controlled by standard settings
(Host Link, 1 start bit, even parity, 7-bit data, 2 stop bit, 9,600 bps)
If pin 7 is set to OFF, however, this setting is ignored for the peripheral port.
OFF Peripheral port controlled by PC Setup (DM 6650 to DM 6654) and RS-232C port
controlled by PC Setup (DM 6645 to DM 6649).
6 (see
note 2)
User deter-
mined setting
ON The setting of pin 6 is stored as the ON/OFF status of AR 0712. If pin 6 is ON, AR
0712 will be ON. If pin 6 is OFF, AR 0712 will be OFF.
OFF
7 Device
connected to
peripheral port
ON Programming Devices other than a Programming Console can be connected to the
peripheral port.
OFF Only a Programming Console can be connected to the peripheral port.
8 (see
note 3)
CX-Protocol
enable
ON Use CX-Protocol for Serial Communications Board.
OFF Do not use CX-Protocol for Serial Communications Board.
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