Satec PM175 Manual User Manual download pdf (Page 81)

Chapter 4 PAS Application Software

General Meter Setup

Series PM175 Powermeters

controller in order to give an indication on the expected

event.

2. The operated setpoint status is latched to the setpoint

alarm latch register accessible through communications.

The register holds the last setpoint alarm status until it is

explicitly cleared through communications.

3. Up to four programmable actions can be performed in

sequence on setpoint status transition when a setpoint

event is asserted.

Generally, setpoint actions are performed independently for

each setpoint and can be repeated a number of times for the

same target. The exceptions are relay operations, data logging

and waveform logging that are shared for each separate target

between all setpoints using an OR scheme.

A relay output is operated when one of the setpoints linked to

the relay is activated and will stay in the operated state until all

of these setpoints are released (except for latched relays that

require a separate release command to be deactivated).

Data logging and waveform logging directed to the same file

are done once for the first setpoint among those that specify

the same action, guaranteeing that there will not be repeated

records related to the same time.

Recording Setpoint Events

Time-tagged setpoint events can be recorded to the device

Event log if you put a corresponding action into the setpoint

action list. The Event recorder will log any setpoint transition

event: both when the setpoint is operated, and when it is

released. The Event recorder will put into a log file a separate

record for each active trigger caused a setpoint status

transition, and a separate record for each action done on the

setpoint activation (except for data logging actions that are not

recorded to the Event log).

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Satec PM175 Manual User Manual Page 81