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2-6
CPU DIP Switch
The DIP switch on C200HS CPUs is located between the Memory Cassette
compartment and battery.
The 6 pins on the DIP switch control 6 of the CPU’s operating parameters.
Pin no.
Item
Setting
Function
1
Memory protect
ON
Program Memory and read-only DM (DM 6144 to DM 6655)
data cannot be overwritten from a Peripheral Device.
OFF
Program Memory and read-only DM (DM 6144 to DM 6655)
data can be overwritten from a Peripheral Device.
2
Automatic transfer of Memory
Cassette contents
ON
The contents of the Memory Cassette will be automatically
transferred to the internal RAM at start-up.
OFF
The contents will not be automatically transferred.
3
Message language
ON
Programming Console messages will be displayed in English.
g
g
g
OFF
Programming Console messages will be displayed in the
language stored in system ROM. (Messages will be displayed
in Japanese with the Japanese version of system ROM.)
4
Expansion instruction setting
ON
Expansion instructions set by user. Normally ON when using a
host computer for programming/monitoring.
OFF
Expansion instructions set to defaults.
5
Communications parameters
ON
Standard communications parameters (see note) will be set for
the following serial communications ports.
•
Built-in RS-232C port
•
Peripheral port (only when a CQM1-CIF01/-CIF02 Cable is
connected. Does not apply to Programming Console.)
Note
1. Standard communications parameters are as fol-
lows:
Serial communications mode: Host Link or peripher-
al bus; start bits: 1; data length: 7 bits; parity: even;
stop bits: 2; baud rate: 9,600 bps
2. The CX-Programmer running on a personal comput-
er can be connected to the peripheral port via the pe-
ripheral bus using the above standard communica-
tions parameters.
OFF
The communications parameters for the following serial
communications ports will be set in PC Setup as follows:
•
Built-in RS-232C port: DM 6645 and DM 6646
•
Peripheral port: DM 6650 and DM 6651
Note
When the CX-Programmer is connected to the peripheral
port with the peripheral bus, either set bits 00 to 03 of DM
6650 to 0 Hex (for standard parameters), or set bits 12 to
15 of DM 6650 to 0 Hex and bits 00 to 03 of DM 6650 to 1
Hex (for Host Link or peripheral bus) separately.
6
Expansion TERMINAL mode
i
h
AR 0709 i ON
ON
Expansion TERMINAL mode; AR 0712 ON.
p
setting when AR 0709 is ON
OFF
Normal mode; AR 0712: OFF
Note The above settings apply to CPUs manufactured from July 1995 (lot number **75 for July 1995). For CPUs
manufactured before July 1995 (lot number **65 for June 1995), only 1 stop bit will be set and the baud rate
will be 2,400 bps.
CPU DIP Switch
Section 2-6