Hf-scientific Oil Content Monitor Manuel d'utilisateur télécharger pdf (Page 15)

OCM Rev. 3.9 (1/03) 9

The current selected number of seconds will be shown. You can select the desired delay

on time for this alarm using the

and

buttons. Once you have set the desired delay

time, press the

↵

button to accept it.

Note: A system alarm will activate when an internal system failure occurs. Please note

that the user settable relays are failsafe in that they will activate if an internal

system failure or power loss occurs.

6.2 Setting 4-20mA Output

The output (O/P) selection allows you to turn the 4 – 20 mA analog output on, or off.

You can select the desired analog output operation using the t and u keys. Once you

have set the desired operation, press the ↵ key to accept it.

If you selected to turn the 4-20 mA output on, you will be prompted to set the upper and

lower oil content levels corresponding to the 4 mA and 20 mA output levels. First, you

will be prompted with the oil content level assigned to the 4 mA output level (OLV on

the lower row of the LCD display). Select the oil content level you wish to assign to the

OLV using the t and u keys. Once you have set the desired level, press the ↵ key to

accept it.

Next, you will be prompted with the oil content level assigned to the 20 mA output level

(OHV on the lower row of the LCD display). Select the oil content level you wish to

assign to the OHV using the t and u keys. Once you have set the desired level, press

the ↵ key to accept it. At this point you will be prompted to set up the security access

6.3 Selecting the Security Access Option

The OCM is equipped with a security access option. If this option is turned on, the user

must be able to input the correct access code for feature. The security key will be

highlighted on this display at this time and the lower row the mode they wish to enter.

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Hf-scientific Oil Content Monitor Manuel d'utilisateur Page 15