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External I/O 2.1

For more flexible control, refer to Modbus.

get_external_di

Get digital input (external).

get_external_di(dev, pin)
  • Parameters
    • dev: Device number.
    • pin: Port number.

get_external_dis 2.2

Get multiple digital inputs (external) in batch.

get_external_dis(dev, pin, length)
  • Parameters
    • dev: Device number.
    • pin: Starting port number.
    • length: How many consecutive ports.

wait_external_di

Wait for digital input (external).

wait_external_di(dev, pin, value, relation)

set_external_do

Set digital output (external).

set_external_do(dev,pin,value)
  • Parameters
    • dev: Device number.
    • pin: Port, starting from 0.
    • value: Value to be set.

set_external_dos 2.2

Set multiple digital outputs (external) in batch.

set_external_dos(dev, pin, length, values)
  • Parameters
    • dev: Device number.
    • pin: Starting port number.
    • length: How many consecutive ports.
    • values: Array of values to be set.

get_external_do

Get digital output (external).

get_external_do(dev, pin)
  • Parameters
    • dev: Device number.
    • pin: Port number.

get_external_dos 2.2

Get multiple digital outputs (external) in batch.

get_external_dos(dev, pin, length)
  • Parameters
    • dev: Device number.
    • pin: Starting port number.
    • length: How many consecutive ports.

get_external_ai

Get analog input (external).

get_external_ai(dev, pin)
  • Parameters
    • dev: Device number.
    • pin: Port number.

get_external_ais 2.2

Get multiple analog inputs (external) in batch.

get_external_ais(dev, pin, length)
  • Parameters
    • dev: Device number.
    • pin: Starting port number.
    • length: How many consecutive ports.

wait_external_ai

Wait for analog input (external).

wait_external_ai(dev, pin, value, relation)

set_external_ao

Set analog output (external).

set_external_ao(dev, pin, value)
  • Parameters
    • dev: Device number.
    • pin: Port number.
    • value: Value to be set.

set_external_aos 2.2

Set multiple analog outputs (external) in batch.

set_external_aos(dev, pin, length, values)
  • Parameters
    • dev: Device number.
    • pin: Starting port number.
    • length: How many consecutive ports.
    • values: Array of values to be set.

get_external_ao

Get analog output (external).

get_external_ao(dev, pin)
  • Parameters
    • dev: Device number.
    • pin: Port number.

get_external_aos 2.2

Get multiple analog outputs (external) in batch.

get_external_aos(dev, pin, length)
  • Parameters
    • dev: Device number.
    • pin: Starting port number.
    • length: How many consecutive ports.

get_external_ios 2.3

Get all port values of external device in batch.

get_external_ios(dev)
  • Parameters
    • dev: Device number.