mb2hal - HAL non-realtime component for Modbus
Default component name
loadusr -W mb2hal config=config_file.ini
Custom component name
loadusr -Wn mymodule mb2hal config=config_file.ini
MB2HAL is a generic non-realtime HAL component to communicate with one or more Modbus devices. It supports Modbus RTU and Modbus TCP.
See https://linuxcnc.org/docs/html/drivers/mb2hal.html for more information.
mb2hal.m.n.bit bit out mb2hal.m.n.bit-inv bit out
mb2hal.m.n.bit bit out mb2hal.m.n.bit-inv bit out
mb2hal.m.n.float float out mb2hal.m.n.int s32 out
mb2hal.m.n.float float out mb2hal.m.n.int s32 out
mb2hal.m.n.bit bit in
NELEMENTS needs to be 1 or PIN_NAMES must contain just one name.
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).
mb2hal.m.n.bit bit in
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).
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)
Victor Rocco
GPL