PT16DO - 16 Digital Output Module

This module has 16 open collector (NPN) digital outputs. The outputs may be used to drive lamps or external relays when more drive capability is required. The outputs are isolated from the logic and they share a common negative terminal.

Each output can be individually switched on or off, or all outputs can be set up at the same time by writing a single number to the output register which represents the status of all outputs.

An output watchdog timer can be configured to switch off all the outputs if there has been no communications with the module for up to 255 seconds. A value of 0 seconds will disable this timer and the outputs will remain in the last programmed state.

PT16DO - 16 Digital Output Module

Digital Outputs



NPN Open collector

Max Load Current

100mA per channel

Max load Voltage


Vce (on) Voltage

1.1V (max)

Watch dog output timer

Disable or 1-255 sec adjustable

Isolation (Field & Logic)


Status Indication

LED for each channel

Power supply (Field)

+12Vdc to +24Vdc

Order Codes

  • PT16DO - PROMUX TCP 16 Digital Output Module

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PT16DO - 16 Digital Output Module

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Procon Electronics