Pv alarms, Heater break alarms – West Control Solutions N6600 User Manual

Page 108

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A.9

PV ALARMS

Maximum Number of

Alarms:

Two “soft” alarms.

Alarm Types:

Process high/low, deviation high/low,

deviation band.

Max. No. of Outputs

Available:

Up to three outputs can be utilised for

alarm purposes.

Combinatorial Alarms:

Logical OR or AND of standard alarms to

an individual hardware output is available.

A.10

HEATER BREAK ALARMS

Alarm Types:

Three dedicated “soft” alarms: Low, High

and Short Circuit. Each can be disabled

individually.

Alarm Trip Values:

Low/High alarms can be absolute Amps or

percentage from nominal, adjustable.

Short Circuit alarm is fixed at 5% of Heater

High Scale Limit.

Nominal Heater Current:

Can be adjusted manually or, using Quick

Transfer, automatically.

Quick Transfer:

One-shot procedure to read heater current

and tranfer read value to Heater Nominal

Current value. Can be initiated locally from

front panel or remotely via

communications link or digital input.

Max. No. of Outputs

Available:

Up to three outputs can be utilised for

heater break alarms. Each output can be

reverse-acting or direct-acting.

Combinatorial Alarms:

ORing of all enabled heater break alarms

is implicit for any output used for heater

break alarm.

A-9

S075-A

PM-0075

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