7.8 Connections with MELSEC
7-41
7
* Yes: Command supported by the 218IFA Module.
No: Command not supported by the 218IFA Module.
Note: Special AnACPU commands are not supported. Use the common ACPU commands for
AnACPU access. The AnACPU expansion registers cannot be accessed.
7.8.5 MELSEC Devices
The table below shows the MELSEC bit devices and word devices that can be accessed from
the 218IF Module.
The MP900-Series register numbers corresponding to the MELSEC device range and the
MEMOBUS commands used are also shown in the table.
* Register number offsets can be specified for both input relays and coils by the MPE720 Pro-
gramming Device.
61H Reads random access buffer communications
508 words Yes 32H
62H Writes random access buffer communications
508 words Yes 33H
Table 7.8 Common MELSEC ACPU Commands (cont’d)
Command Description Qty 218IFA
Support
*
MEMOBUS
Command
Table 7.9 MELSEC Bit Devices
Device Device Range for Common
ACPU Commands
Decimal/
Hexadecimal
MEMOBUS
Command
Leading No.
Register No.
*
X X0000 to X07FF Hexadecimal 02H: Input relays 0 to 2047 MB000000 to MB00127F
Y Y0000 to Y07FF Hexadecimal 01H/0FH: Coils 0 to 2047 MB000000 to MB00127F
M M0000 to M2047 Decimal 01H/05H/0FH:
Coils
2048 to 4095 MB001280 to MB00255F
M M9000 to M9255 Decimal 01H/05H/0FH:
Coils
4096 to 4351 MB002560 to MB00271F
B B0000 to B03FF Hexadecimal 01H/05H/0FH:
Coils
4352 to 5375 MB002720 to MB00335F
F F0000 to F0255 Decimal 01H/05H/0FH:
Coils
5376 to 5631 MB003360 to MB00351F
TS TS000 to TS255 Decimal 02H: Input relays 2048 to 2303 MB001280 to MB00143F
TC TC000 to TC255 Decimal 02H: Input relays 2304 to 2559 MB001440 to MB00159F
CS CS000 to CS255 Decimal 02H: Input relays 2560 to 2815 MB001600 to MB00175F
CC CC000 to CC255 Decimal 02H: Input relays 2816 to 3071 MB001760 to MB00191F
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