Toshiba PROSEC T2 Series - Manual (Page 12)

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5. Modbus Module Operation
5.1. Modbus Commands
When a MODBUS command is used, the Modbus module translates it to the
corresponding T2 register access protocol.
MODBUS FUNCTION CODE T2 COMMAND
01 Read Coil Status DR Read Device/Register
02 Read Input Status DR Read Device/Register
03 Read Holding Register DR Read Device/Register
04 Read Input Register DR Read Device/register
05 Force Single Coil DW Write Device Register
06 Force Single Register DW Write Device/Register
08 Loop Back Diagnostic test **** Not Supported by EX10-MML11
15 Force Multiple Coils DW Write Device/register
16 Preset Multiple Registers DW Write Device/register
For more information on the Modbus protocol, please refer to the Modbus Protocol Reference
Guide, see
Additional References .
For more information on the T2 register access protocol, please refer to the Computer Link
Function Operation Manual, see
Additional References .