YASKAWA MP3000 Series - Page 88

2.4 Communications with MP-series Controllers
Message Functions
2-70
*1. Coil or input relay read/write requests: Enter the address of the first bit of the data.
*2. Continuous register read/write requests: Enter the address of the first word of the data.
*3. Non-consecutive register read/write requests: Enter the address of the first M register of the address table.
 Remote Station Register Type (PARAM16)
Set the register type in the remote station. This parameter is valid when using function codes 43 hex.
Enter the register type as a decimal or hexadecimal number.
The register types that can be used depend on whether you are reading or writing.
The following table lists the combinations of register types.
* The address table at the remote station is stored in registers in the local station. The contents of the M, G, I, O, and S
registers in the remote station can be read by specifying the register type in the address table at the remote station.
For more information on remote station address tables, refer to the following sections.
2.15 Using Message Functions − Function Code: 434D Hex (page 2-369)
2.15 Using Message Functions
− Function Code: 434E Hex (page 2-371)
0C hex −
Not used for the Extended MEMOBUS
protocol.
Disabled.
0D hex W
Reads the contents of non-consecutive hold
registers (extended).
∗3
0 to 65534 (0 to FFFE hex)
0E hex W
Writes to non-consecutive hold registers
(extended).
∗3
0 to 65534 (0 to FFFE hex)
0F hex B
Changes the states of multiple coils.
∗1
0 to 65535 (0 to FFFF hex)
10 hex W
Writes to multiple hold registers.
∗2
0 to 65534 (0 to FFFE hex)
4341 hex B
Reads the states of bits.
∗1
0 to 4294967295
(0 to FFFFFFFF hex)
Adjust the address to the remote
device’s address range.
Refer to the following section for the
address ranges of an MP3000-series
Controller.
Details on Protocols (page 2-378)
4345 hex B
Changes the state of a single bit.
∗1
4346 hex W
Writes to a single register.
∗2
4349 hex W
Reads the contents of registers.
∗2
434B hex W
Writes to multiple registers.
∗2
434D hex W
Reads the contents of non-consecutive
registers.
∗3
434E hex W
Writes to non-consecutive registers.
∗3
434F hex B
Changes the states of multiple bits.
∗1
Register Type Value Type Remarks
0 M Sets the target data type to MB for bits and MW for words.
1 G Sets the target data type to GB for bits and GW for words.
2 I Sets the target data type to IB for bits and IW for words.
3 O Sets the target data type to OB for bits and OW for words.
4 S Sets the target data type to SB for bits and SW for words.
5 or higher − Not used for the Extended MEMOBUS protocol.
Function Code Applicable Register Types
4341 or 4349 hex M, G, I, O, or S
4345, 4346, 434B, or 434F hex M, G, O, or S
434D hex
∗
M or G
434E hex
∗
M or G
Continued from previous page.
Function Code
Target
Data
Type
Function Data Address Setting Range