Modbus Special Register Map; Adapter Identification Special Register (0X1000, 4096) - Hitachi HX-RIO3 Series User Manual

30
•Exception Codes
Exception
Name
Code
01 Illegal Function
02 Illegal Data Address
03 Illegal Data Value
04 Slave Device Failure
05 Acknowledge
06 Slave Device Busy
08 Memory Parity Error
Gateway
0A
Unavailable
- RIO3-MBRL response exception code 01, 02, 03, 04 and 06.

6.3 MODBUS Special Register Map

The special register map can be accessed by function code 3, 4, 6 and 16. Also the special register map must
be accessed by read/write of each address (one address).

6.3.1 Adapter Identification Special Register (0x1000, 4096)

Address Access
0x1000(4096) Read
0x1001(4097) Read
0x1002(4098) Read
0x1003(4099) Read
0x1004(4100) Read
0x1005(4101) Read
0x1006(4102) Read
0x1010(4112) Read
0x1011(4113) Read
0x101E(4126) Read
Description
The function code received in the query is not an allowable action
for the server (or slave).
The data address received in the query is not an allowable address
for the server (or slave).
A value contained in the query data field is not an allowable value
for server (or slave).
An unrecoverable error occurred while the server (or slave) was
attempting to perform the requested action.
The server (or slave) has accepted the request and is processing
it, but a long duration of time will be required to do so.
Specialized use in conjunction with programming commands.
The server (or slave) is engaged in processing a long–duration
program command. The client (or master) should retransmit the
message later when the server (or slave) is free.
The server (or slave) attempted to read record file, but detected a
parity error in the memory. The client (or master) can retry the
request, but service may be required on the server (or slave)
device.
Specialized use in conjunction with gateways, indicates that the
Path
gateway was unable to allocate an internal communication path
from the input port to the output port for processing the request.
Type, Size Description
1word Vendor ID = 0x02E5 (741), HITACHI
1word Device type = 0x000C, Network Adapter
1word Product Code = 0x91A0
1word Firmware revision, if 0x0101, revision 1.01
2word Product unique serial number
String up to Product name string (ASCII)
"RIO3-MBRL,Modbus/485 Adapter,GBUS"
18byte
1word Sum check of EEPROM
2word Firmware release date
2word Product manufacturing inspection date
Composite Id of following address
7word * RTU mode
- 1word 0x1100(4352), MSB: Modbus RS485 Node. LSB :
- 1word RS232 Node
- 1word 0x1000(4096), Vendor ID
- 1word 0x1001(4097), Device type
- 1word 0x1002(4098), Product code
- 2word 0x1003(4099), Firmware revision
0x1004(4100), Product serial number
HX-RIO3 Series