To switch from LOCKED to UNLOCKED, assign to the “nn” parameter a value equal to the “n1” parameter setting. To switch from UNLOCKED to LOCKED, assign to the “nn” parameter any number other than the n1 parameter setting.

When the device is in remote mode (the serial link controls the device) no parameters can be modified.

Key Functions in

Operative Parameter Display Mode

FUNC

= Pressing the “FUNC” key, the

 

instrument stores the new setting

 

(if changed) and goes to the next

 

parameter.

or

= Changes the setting of the

 

selected parameter.

RESET

= Press and hold for more than 1

 

second for limiter rearmament.

OPERATING PARAMETERS

Some of the following parameters may not appear, depending on the configuration.

Lower Description aDisplay6

Manual reset of the alarm. (Available only if P1 = AL.p, AL.b or AL.d) ON = Starts the manual reset of the alarm OFF = Do not start the alarm reset. Select ON and press the FUNC key in order to reset the alarm.

After a manual reset of the alarm the instrument returns in Normal Display Mode.

nnSoftware Key (Skipped if n1 = 0 or 1)

ON = the device is LOCKED. OFF = the device is UNLOCKED.

When it is desired to switch from LOCK to UNLOCK condition, set a value equal to “n1” parameter.

When it is desired to switch from UNLOCK to LOCK condition, set a value different from “n1” parameter.

Su Limiter Threshold

Range: Span limits (From "S1" to full scale value when C1 = Hi.Lo)

S1 Second Limiter Threshold (Available when C1 = Hi.Lo)

Range: From initial scale value to "Su"

HS Limiter Hysteresis

Range: From 0.1% to 10.0% of the input span or 1 LSD

AL Alarm Threshold (optional) (Available only if the option is fitted and P1= AL.P, AL.b or AL.d.)

Ranges:

span limits for process alarm (P1 = AL.P) from 0 to 500 for band alarm (P1 = AL.b) from -500 to 500 for deviation alarm (P1 = AL.d)

HA Alarm Hysteresis (optional) (Available only if the option is fitted and P1 = AL.P, AL.b or AL.d)

Range: From 0.1% to 10.0% of the input span or 1 LSD.

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Omega Vehicle Security CN3271 Series manual Operating Parameters