Toshiba GR200 Series Instruction Manual page 637

Substation computer
(Master)
Request 00001 with FC=0x01
Figure 10.5-2 Modbus communication sample
Table 10.5-1 Modbus addresses and their usages
Modbus Address
00000~00999
01000~09999 Discrete Input
10000~10999 Input Register
11000~12999 Input Register
13000~16999 Input Register
17000~19999 Holding Register
18000~19999 Holding Register
20000~23999 Holding Register
24000~ 65536
Appendix Modbus address, exception status, return diagnostic register
†Note: See
934) for more details. Address numbers are 00000~65536 in the Modbus standard,
but the GR200-series IEDs' 24000~65535 are not used; they are reserved for the
future use. Blank addresses are provided for users' purposes.
Selection of Modbus protocol
10.5.2
Figure 10.5-3 shows the selection menu of a slave protocol. The user should set Modbus for the
[Slave Protocol] if the IED has to communicate in the Modbus standard. Note that the user
has to restart the IED (i.e., the user has to turns it off, and on) after switching a protocol from
the other.
Master query
Slave response
Response 00001 with FC=0x01
Data Models Types
Coil 1-bit
1-bit
16-bits
32-bits
64-bits
16-bits
32-bits
64-bits
Feature uses (reserved)
- 623 -
IED
(Slave)
Users assigns a Modbus Address
and a signal (Data ID).
Modbus Address
00001
00002
00003
00004
00005
00006
00007
00008
Attribute
Read-Write
Read-Only Manufacture mappings†
Read-Only
Read-Only Manufacture mappings†
Read-Only Manufacture mappings†
Read-Write
Read-Write
Read-Write Manufacture mappings†
6F2S1931 (0.20)
Signal (Data ID)
440082 800000001
440082 800000002
440082 800000003
440082 800000004
440082 800000004
Defaults
Not used
Not used
Not used
Not used
(→p.
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)