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9.3.3 Zero-point calibration

►

Select [COF] and set a value between -5% and 5% of the final value of

the measuring range� The internal measured value "0" is shifted by this

value�

Zero-point calibration reset:

►

Press [Mode/Enter] until [CAr] is displayed�

►

Press and hold [Set] until [---] is displayed�

►

Briefly press [Mode/Enter]�

9.3.4 Set delay time for OUT1

[dS1] = switch-on delay for OUT1�

[dr1] = switch-off delay for OUT1�

►

Select [dS1] or [dr1] and set a value between 0�1 and 50 s (at 0�0 the

delay time is not active)�

9.3.5 Setting the damping for OUT1

►

Select [dAP] and set a value between 0�01 and 4�00 s; (at 0�00 [dAP] is

not active)�

dAP value = response time between pressure change and change of the

switching status in seconds�

[dAP] influences the switching frequency: f

max

= 1 ÷ 2dAP�

9.4 Service functions
9.4.1 Read min/max values for the system pressure

►

Select [HI] or [LO], briefly press [Set]�

[HI] = maximum value, [LO] = minimum value�

Delete memory:

►

Select [HI] or [LO]�

►

Press and hold [Set] until [---] is displayed�

►

Briefly press [Mode/Enter]�

Содержание PN422 Series

Страница 1: ...Operating instructions Pressure sensor PN422x 11426187 00 01 2022 UK...

Страница 2: ...Parameter setting 12 9 1 Parameter setting in general 12 9 2 Set output signals 14 9 2 1 Set switching limits 14 9 2 2 Setting of the output function 14 9 3 User settings optional 14 9 3 1 Set the un...

Страница 3: ...the operator and user of the system This documentation must contain all necessary information and safety instructions for the operator the user and if applicable for any service personnel authorised...

Страница 4: ...essure relative pressure Information on pressure rating and bursting pressure data sheet Pressure Equipment Directive PED Units with a final value of the measuring range of 1 400 bar comply with secti...

Страница 5: ...y open OU1 Hno Fig 1 Hysteresis function normally closed OU1 Hnc Fig 1 First the set point SP1 is set then the reset point rP1 with the requested difference Window function normally open OU1 Fno Fig 2...

Страница 6: ...d in an ungrounded pipe system e g plastic pipes the unit must be grounded The grounding clamp order no E43321 serves this purpose It is designed to discharge noise voltages in case the sensor is moun...

Страница 7: ...nsor sleeve Use an adequate screwdriver to tighten the lower screw until the earthing strap can no longer be moved on the sensor sleeve C Make sure that the washer is fitted on the upper screw Fasten...

Страница 8: ...on of potential of metal housing parts must be ensured via the sensor housing Ensure an electrically conductive connection The grounding clamp order no E43321 can be used for the equalisation of poten...

Страница 9: ...9 UK Disconnect power Connect the unit as follows Connector view at the unit A Supply circuit B Output circuit Safe separation Core colours of ifm sockets 1 BN brown 2 BU blue 4 BK black 5 WH white...

Страница 10: ...red Indication of the switching status lights when the output is switched 3 Set button Setting of the parameter values scrolling by holding pressed incremental by pressing briefly 4 Mode Enter button...

Страница 11: ...11 UK 8 Menu 8 1 Menu structure...

Страница 12: ...pressure 9 Parameter setting During parameter setting the unit remains in the operating mode It continues to monitor with the existing parameters until the parameter setting has been completed 9 1 Par...

Страница 13: ...om menu level 1 to menu level 2 Press Mode Enter until EF is displayed Mode Enter Set Briefly press Set The first parameter of the submenu is displayed here HI Mode Enter Set Locking unlocking The uni...

Страница 14: ...a kPa inH inHg or PSI For units with a measuring range of 999 PSI 1 10 of the PSI value is displayed Consequently the display value is to be multiplied by the factor 10 Example Display value 15 real v...

Страница 15: ...or OUT1 Select dS1 or dr1 and set a value between 0 1 and 50 s at 0 0 the delay time is not active 9 3 5 Setting the damping for OUT1 Select dAP and set a value between 0 01 and 4 00 s at 0 00 dAP is...

Страница 16: ...measuring range 999 PSI display value 10 2 Switching status OUT1 10 2 Read set parameters Briefly press Mode Enter the parameters are displayed one after the other Briefly press Set the corresponding...

Страница 17: ...K 12 Factory setting Factory setting User setting SP1 25 VMR rP1 23 VMR OU1 Hno COF 0 0 dS1 0 0 dr1 0 0 dAP 0 06 diS d2 Uni bAr mbAr MEW final value of the measuring range More information at www ifm...

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