3 ETHERNET INTERFACE MODULE REPLACEMENT
3 - 19
3.6.2 Buffer memory
(1) Comparison between A/AnS series and Q series
There is no compatibility in the buffer memory assignments between the A/AnS series and the Q series.
Make a new sequence program.
: Compatible, : Partial change required, ×: Incompatible
Buffer memory address Buffer memory name
Compat-
ibility
Precautions for replacement
HEX DEC
A series AnS series
AJ71E71N3-T
AJ71E71N-B5
AJ71E71N-B2
A1SJ71E71N3-T
A1SJ71E71N-B5
A1SJ71E71N-B2
0 to 1
H
0 to 1 Local station IP address
Set in GX Developer network parameters.
2
H
2 Special function setting
3
H
3 Timer setting time units Not used on the Q series
4 to 5
H
4 to 5 System area (Use prohibited) -
6
H
6 TCP Maximum Segment transmission setting
1E
H
(30) is used on the Q series.
7
H
7
Destination existence check start interval timer
value
Set in GX Developer network parameters.
8
H
8 Destination existence check interval timer value
9
H
9 Destination existence check, No. of retries
A
H
10 TCP ULP timeout value
B
H
11 TCP zero window timer value
C
H
12 TCP retransmit timer value
D
H
13 TCP end timer value
E
H
14 IP reassembly timer value
F
H
15 Response monitoring timer value
10 to 17
H
16 to 23
Application setting area
(Connection No.1 to 8)
18 to 4F
H
24 to 79
Exchange address settings area
(Connection No.1 to 8)
50
H
80 Initial error code
69
H
(105) is used on the Q series.
51 to 52
H
81 to 82 Local station IP address
6A to 6B
H
(106 to 107) is used on the Q series.
53 to 55
H
83 to 85 Local station Ethernet address
6C to 6E
H
(108 to 110) is used on the Q series.
56 to 58
H
86 to 88 System area (Use prohibited) -
59 to A8
H
89 to 168
Information for each connection
(Connection No.1 to 8)
78 to C7
H
(120 to 199) is used on the Q series.
A9 to B3
H
169 to 179 Error log1 to 11
E5 to 174
H
(229 to 372) is used on the Q
series.
B4 to 16F
H
180 to 367 System area (Use prohibited) -
170 to 1A3
H
368 to 419 Status information by protocol type
178 to 1F1
H
(376 to 497) is used on the Q
series.
1A4 to 1BF
H
420 to 447 System area (Use prohibited) -
1C0 to 1C1
H
448 to 449 Subnet mask field
Set in GX Developer network parameters.
1C2 to 1C3
H
450 to 451 Default router IP address
1C4
H
452 No. of registered routers
1C5 to 1D8
H
453 to 472 Setting of router 1 to 5
1D9 to 1EF
H
473 to 495 System area (Use prohibited) -
1F0
H
496 Communication specification during STOP Not used on the Q series
1F1 to 1FF
H
497 to 511 System area (Use prohibited) -
200 to 11FF
H
512 to 4607 Fixed buffer No.1 to 8
680 to 267F
H
(1664 to 9855) is used on the Q
series.
1200 to 1DFF
H
4608 to 7679 Random access buffer
2680 to 3E7F
H
(9856 to 15999) is used on the
Q series.
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