Toshiba MD911 Instruction Manual page 39

Read coil status
Read input relay status
Read retention register content
Read input register content
Change single coil status
Write single retention register
Change multiple coil status
Write multiple retention register
●Start address:
Set the request start address for the target function (0-9999).
Set a bit address for coil state read, input relay state read, single coil state change,
and multiple coil state change. Set a word address for retention register content
read, input register content read, single retention register write, and multiple
retention register write.
●Register num:
Register num of user setting parameter is the following when master.
Read coil status
Read input relay status
Change multiple coil status
1 to 1024 (Num. of registers of a bit unit)
Change single coil status
1 (Num. of registers of a bit unit)
Read retention register content
Read input register content
Write multiple retention register
1 to 64 (Num. of registers of a word unit)
Write single retention register
1 (Num. of registers of a word unit)
*A request is not performed when 0 is set to Register num.
●Cycle (100ms):
Set the transmission cycle for the target function (0-9999).
When it is "0," communication is performed regardless of the transmission cycle.
Download the registered data to the MD911.
Perform batch download to the controller.
* Be careful so that the address does not overlap with other station.
3.3 Setting with the Engineering Tool (master mode)
Reads the ON/OFF states of the coils.
Reads the ON/OFF states of the input relays.
Reads the current values of the retention registers.
Reads the current values of the input registers.
Changes the state of a coil to ON or OFF.
Writes a value to a retention register.
Changes the state of the coils to ON or OFF.
Writes values to a series of retention registers.
Unified Controller nv series MODBUS (MD911) Module Instruction Manual
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