12b60 Outputs

12.B6.1 The system shall be capable of outputting the following system signals:

a. Digital Outputs (DO): The DO output function shall provide dry contact closures for momentary and maintained programmable operation of field devices. Any manual overrides shall be reported to the system at each update.

b. Analog Output (AO): The AO output function may be a true analog output providing a 0-l0VDC and/ or 0-20ma DC signal; or, accept digital data, perform digital to analog (D/A) conversion and output a pulse within the range of 0.1 to 3276.6 seconds in order to perform pulse width modulation of modulating equipment.

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