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I
2. SYSTEM CONFIGURATION
- - - - - - - - - - - - - - - - - - - MELSEC·A
Table 2.2 LIst of Peripheral Devices (Continued)
Unit
Description
Type
Remarks
RS-422
AC30R4
Cable for connection of CPU and
3 m/9.84 It length
Common to
cable
AC300R4
A6GPP/A6HGP/A6PHP
30 m/98.4 fllength
programming
unit
with CRT
User disk
SWO-GPPU
User disk (3.5 inch,1ormatted) for storing programs
and LCO
Cleaning
SWO-FOC
Cleaning disk for disk drive
disk
• -Connected to the CPU directly of via cable to read and write
Programming
A7PU
*4
programs. Equipped with MT function.
unit
• The A7PU is supplied with a cable for connection of the A7PU and
Programming
unit
audio cassette recorder.
RS-422
AC30R4
3 m/9.84 It length
cable
Cable for connection of CPU and A7PU.
AC300R4
30 m/98.4 It length
• Used to store programs onto ROM and read programs from ROM to
P-ROM
A6WU
.5
the CPU .
writer unit
P-ROM writer
• Connection by RS·422 cable
unit
RS-422
AC30R4
3 m/9.84 It length
cable
Cable for connection of CPU and A6WU.
AC300R4
30 m/98.4 It length
POINTI
(1) .1:
Use the SW4GP-GPPA system disk upgraded for the A2C.
If SW[ IGPPA or SW3GP-GPPA is used, operate the A6GPP
following the cautions given in App. 4.
The system disk is not upgraded for the A2C. If SW[ IHGPA is
used, operate the A6HGP following the cautions given in App.
4.
Use the SW4GP-GPPA system disk upgraded for the A2C .
If SW3-GPPA is used, operate the A6PHP following the cautions
given in App. 4.
The A7PU is not upgraded for the A2C. If A7PU is used, operate
the A7PU following the cautions given in App. 4.
Use the A6WU upgraded for the A2C. (Versions "E" and later
are applicable to the A2C.)
Those EP-ROMs written by the
A6WU of versions "0" and older cannot be installed to the A2C.
(Only one ROM can be installed in A2C. However, the A6WU
regards the A2C as "A2', and if writing to the EP-ROM is at-
tempted, the ROM is divided to the "even' and "odd" numbered
address areas.)
2-16

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