
iSMA-B-AAC20/Sedona Modbus
Version 1.3
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Modbus TCP Slave Boolean Value component has the following slots:
Status
–
Point status,
Fault Cause
–
Fault cause description,
Description
–
Point description label up to 32 characters,
Address Format
–
Modbus addressing format: Modbus/Decimal
Address
–
Register address (from0 to 65535),
Bit
–
Bit number in 16-bits register (from 0 to 15)
Bit Type
–
Bit type for Master Device: Coil
–
read/write, Discrete Input
–
read only,
Trigger
–
Remote force Input value writing to controller Modbus table trigger (on rising
edge),
Out
–
Output slot, current value of device registry,
In
–
Input slot.
6.2.2
Numeric Value
Numeric Value component is responsible for reading and writing to controller Modbus table
numeric value. Value can be read only for Modbus Master
–
Register Type: Input Register or
read and write for Modbus Master
–
Register Type: Holding Register.
Writing Boolean value use the same table as numeric values. Addressing component make
sure that register is not in use by another component.
WARNING! Data Type: Long, SLong, Float use 32-bits format and use two registers. Next free
register in table is Register a 2.
For example: Float value register has 1010 address, next register must have 1012 address.