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4. PRE-sTART u p PROCEDURES
/MELSEC
POINT
1
I
Both switches should be either on or off.
I
4.3.4
R O M installation
This section describes the installation and settings required for using
the
ROM.
The
ROM
sockets should be empty if
ROM
is not being
used.
ROM
memory loading
I
Open ROM socket.
I
I
Piace ROM in socket nothing the direction of
the "blip".
I
I
Push the ROM into the socket and lock.
I
Check that
ROM is flush with socket.
I
I
+
Set the shorting pin as indicated below.
Fig. 4.1 How to Hold ROM
Complete
CI--,
Shorting pin sttin-
RAM
ROM (1281
ROM (2561
L
Fig. 4.2 Pin Settings Depending on Memories
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