SYNOPSIS

Default component name

loadusr -W mb2hal config=config_file.ini

Custom component name

loadusr -Wn mymodule mb2hal config=config_file.ini

DESCRIPTION

MB2HAL is a generic non-realtime HAL component to communicate with one or more Modbus devices. It supports Modbus RTU and Modbus TCP.

PINS

fnct_01_read_coils:

mb2hal.m.n.bit bit out
mb2hal.m.n.bit-inv bit out

fnct_02_read_discrete_inputs:

mb2hal.m.n.bit bit out
mb2hal.m.n.bit-inv bit out

fnct_03_read_holding_registers:

mb2hal.m.n.float float out
mb2hal.m.n.int s32 out

fnct_04_read_input_registers:

mb2hal.m.n.float float out
mb2hal.m.n.int s32 out

fnct_05_write_single_coil:

mb2hal.m.n.bit bit in

NELEMENTS needs to be 1 or PIN_NAMES must contain just one name.

fnct_06_write_single_register:

mb2hal.m.n.float float in

mb2hal.m.n.int s32 in

NELEMENTS needs to be 1 or PIN_NAMES must contain just one name.
Both pin values are added and limited to 65535 (UINT16_MAX). Use one and let the other open (read as 0).

fnct_15_write_multiple_coils:

mb2hal.m.n.bit bit in

fnct_16_write_multiple_registers:

mb2hal.m.n.float float in

mb2hal.m.n.int s32 in

Both pin values are added and limited to 65535 (UINT16_MAX). Use one and let the other open (read as 0).

Each transaction

mb2hal.m.num_errors u32 in

Error counter

m = HAL_TX_NAME or transaction number if not set
n = element number (NELEMENTS)

Example:

mb2hal.00.01.int (TRANSACTION_00, second register)
mb2hal.readStatus.01.bit (HAL_TX_NAME=readStatus, first bit)

AUTHOR

Victor Rocco

LICENSE

GPL