35
0 LR NUMBER ?
1.0 2.64 3.128
0 LR NUMBER OK
1.0 2.64 3.128
A
B
LR Allocation Read
To check the size of the LR Area that has been allocated, use the following
key sequence. This procedure can be performed in either RUN or PRO-
GRAM mode.
When using the SP10-PRO01 Programming Console, the result is a display
similar to the one shown below.
0 LR SIZE
128
Indicates the LR area is set to 128 bits.
When using the SP10-PRO01-V1 Programming Console, the result is a dis-
play similar to the one shown below.
0 PC :128
ProCo:64
Indicates the LR area is currently set to 128
bits in the PC.
Indicates the LR area is currently set to 64
bits in the Programming Console.
When the LR area is 64 bits, each PC is allocated one word (16 bits) of write
area for its own use. Data transfer is illustrated in the following diagram.
When data is written to the write area of a PC, it is transferred to the same
words in the LR areas of the other PCs linked through the Link Adapter.
PC #0
PC #0
PC #1
PC #2
PC #3
DR 00
through
DR 11
PC #1
PC #0
PC #1
PC #2
PC #3
DR 00
through
DR 11
PC #2
PC #0
PC #1
PC #2
PC #3
DR 00
through
DR 11
PC #3
PC #0
PC #1
PC #2
PC #3
DR 00
through
DR 11
LR 00
LR 01
LR 02
LR 03
Write area
Read area
When the LR area is 128 bits in size, each PC is allocated two words (32
bits) of write area for its own use.
LR Area Allocation - 64 Bits
LR Area Allocation - 128
Bits
Memory Areas
Section 3-2