Difference between revisions of "Blocks MODBUS TCP"
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===== MODBUS_TCP_R_COIL ===== | ===== MODBUS_TCP_R_COIL ===== | ||
Reads one coil register | Reads one coil register | ||
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Read one discrete discrete input register | Read one discrete discrete input register | ||
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Reads one holding register | Reads one holding register | ||
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Reads one input register | Reads one input register | ||
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Writes value to one coil register | Writes value to one coil register | ||
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Writes value to one holding register | Writes value to one holding register | ||
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Latest revision as of 12:52, 12 November 2018
Contents
Back to Libraries
MODBUS_TCP_R_COIL
Reads one coil register
| Asynchronous interface | ||||
| in | IP | string | IP address of slave device (syntax: "aaa.bbb.ccc.ddd") | |
| in | Port | int | TCP port of slave device (default: 502) | |
| in | UnitID | byte | Device bus address (default: 1) | |
| in | OfsAdr | word | register address (1-9999) | |
| in | Timeout | byte | timeout in seconds | |
| out | Q | bool | readed value | |
MODBUS_TCP_R_DISCRETE
Read one discrete discrete input register
| Asynchronous interface | ||||
| in | IP | string | IP address of slave device (syntax: "aaa.bbb.ccc.ddd") | |
| in | Port | int | TCP port of slave device (default: 502) | |
| in | UnitID | byte | Device bus address (default: 1) | |
| in | OfsAdr | word | register address (1-9999) | |
| in | Timeout | byte | timeout in seconds | |
| out | Q | bool | readed value | |
MODBUS_TCP_R_HOLDING
Reads one holding register
| Asynchronous interface | ||||
| in | IP | string | IP address of slave device (syntax: "aaa.bbb.ccc.ddd") | |
| in | Port | int | TCP port of slave device (default: 502) | |
| in | UnitID | byte | Device bus address (default: 1) | |
| in | OfsAdr | word | register address (1-9999) | |
| in | Timeout | byte | timeout in seconds | |
| out | Q | word | readed value | |
MODBUS_TCP_R_INPUT
Reads one input register
| Asynchronous interface | ||||
| in | IP | string | IP address of slave device (syntax: "aaa.bbb.ccc.ddd") | |
| in | Port | int | TCP port of slave device (default: 502) | |
| in | UnitID | byte | Device bus address (default: 1) | |
| in | OfsAdr | word | register address (1-9999) | |
| in | Timeout | byte | timeout in seconds | |
| out | Q | word | readed value | |
MODBUS_TCP_W_COIL
Writes value to one coil register
| Asynchronous interface | ||||
| in | IP | string | IP address of slave device (syntax: "aaa.bbb.ccc.ddd") | |
| in | Port | int | TCP port of slave device (default: 502) | |
| in | UnitID | byte | Device bus address (default: 1) | |
| in | OfsAdr | word | register address (1-9999) | |
| in | Timeout | byte | timeout in seconds | |
| in | VAL | bool | value to write | |
MODBUS_TCP_W_HOLDING
Writes value to one holding register
| Asynchronous interface | ||||
| in | IP | string | IP address of slave device (syntax: "aaa.bbb.ccc.ddd") | |
| in | Port | int | TCP port of slave device (default: 502) | |
| in | UnitID | byte | Device bus address (default: 1) | |
| in | OfsAdr | word | register address (1-9999) | |
| in | Timeout | byte | timeout in seconds | |
| in | VAL | word | value to write | |
