pyhoff.AnalogOutputTerminal#
- class pyhoff.AnalogOutputTerminal(bus_coupler, output_bit_addresses, input_bit_addresses, output_word_addresses, input_word_addresses, mixed_mapping)#
Bases:
BusTerminalBase class for analog output terminals.
Instantiate a new BusTerminal base class.
- Parameters:
bus_coupler (
BusCoupler) – The bus coupler to which this terminal is connected.output_bit_addresses (
list[int]) – List of addresses of the output bits.input_bit_addresses (
list[int]) – List of addresses of input bits.output_word_addresses (
list[int]) – List of addresses of output words.input_word_addresses (
list[int]) – List of addresses of input words.
- read_channel_word(channel, error_value=-99999)#
Read a single word from the terminal.
- Parameters:
channel (
int) – The channel number (1 based index) to read from.- Return type:
int- Returns:
The read word value or provided error_value if read failed.
- Raises:
Exception – If the word offset or count is out of range.
- classmethod select(bus_coupler, terminal_number=0)#
Returns the n-th bus terminal instance of the parent class specified by terminal_number.
- Parameters:
bus_coupler (
BusCoupler) – The bus coupler to which the terminal is connected.terminal_number (
int) – The index of the bus terminal to return. Counted for all bus terminals of the same type, not all bus terminals. Started for the first terminal with 0
- Return type:
TypeVar(_BT, bound= BusTerminal)- Returns:
The selected bus terminal instance.
- set_normalized(channel, value)#
Set a normalized value between 0 and 1 to a specific channel.
- Parameters:
channel (
int) – The channel number to set.value (
float) – The normalized value to set.
- Return type:
bool- Returns:
True if the write operation succeeded.
- write_channel_word(channel, value)#
Write a word to the terminal.
- Parameters:
channel (
int) – The channel number (1 based index) to write to.- Return type:
bool- Returns:
True if the write operation succeeded.
- Raises:
Exception – If the word offset or count is out of range.