User’s & Technical Manual –
P/I LEVEL TRANSMITTER PIT7000
GELEC
Industrial Electronics
PAGE
1
P/I LEVEL TRANSMITTER
PIT70000
INDUSTRIAL ELECTRONICS
Страница 1: ...User s Technical Manual P I LEVEL TRANSMITTER PIT7000 GELEC Industrial Electronics PAGE 1 P I LEVEL TRANSMITTER PIT70000 INDUSTRIAL ELECTRONICS...
Страница 2: ...RAL TERMS AND CONDITIONS 4 3 DISPOSAL OF OLD ELECTRICAL ELECTRONIC EQUIPMENT 5 4 P I LEVEL TRANSMITTER PIT7000 5 5 GENERAL DESCRIPTION 6 6 FEATURES 8 7 PIT7000 OVERVIEW CONFIGURATION 11 8 PNEUMATIC SE...
Страница 3: ...shock or other damage Do not touch the device and connection cabling with wet hands Disconnect the PIT7000 before cleaning it to avoid the risk of electric shock Attempting to use a malfunctioning PI...
Страница 4: ...ELEC and authorized distributors will at their option either repair or replace the faulty product with the same or similar model GELEC and authorized distributors shall have no obligation under this w...
Страница 5: ...d effective use of the PIT7000 we recommend that you read the information in this manual carefully and follow the instructions contained This manual is a complete guide for the PIT7000 with informatio...
Страница 6: ...settings can be restored at any time The system requires the installation of a bubble tube submerged in the measured fluid properly connected to the transmitter with pneumatic tubes A volume of compre...
Страница 7: ...h and Low critical levels Factory default settings can be restored Error state recognition with relevant output signal Temperature compensated gauge pressure sensor Reliable and maintenance free condu...
Страница 8: ...ication s specific conditions and measured fluid TWO ANALOG OUTPUTS FIVE OUTPUT RANGES AVAILABLE PIT7000 provides two analog outputs mA V which can be used either simultaneously or independently There...
Страница 9: ...put ranges in different pressure limits than the factory pre calibrated ones There is also the option to restore the default factory calibration settings at any time if needed Refer to the relevant se...
Страница 10: ...connected to mA output including line resistance may be higher than it should be Refer to the relevant table and confirm that the externally connected circuit has the proper resistance value 3 INTERN...
Страница 11: ...GREEN RED Confirmation of calibration processes FLASHING RED 3 Hz ERROR 1 FLASHING RED 1 Hz ERROR 2 OFF Device not powered CALIBRATION BUTTON The calibration button is used in PIT7000 calibration proc...
Страница 12: ...is used only in manufacturing stages and can lead to device malfunction SW3 switch V output range selection With SW3 switch you can select the Volt output range at terminals 5 COM 4 0 10 V SW3 OFF def...
Страница 13: ...th the measured tank which is open vented by default PNEUMATIC ADAPTORS PIT7000 has three straight male pneumatic adaptors for 6 4 connection tubes The P adaptor is the input of the internal air flow...
Страница 14: ...e pneumatic parts which meet the operating requirements of the application regarding pressure temperature safety etc The top of the tube must be at least 25cm above the fluid s highest possible level...
Страница 15: ...he nut thread the tube on the fitting cone and tighten the nut by hand or with a spanner Ensure that pipes are smoothly curved and not bended at all points Piping layout should remain sufficiently pro...
Страница 16: ...5 with the release hook at the bottom The device should have at least 60mm free space below it for the air pipes and 15mm on top of it for the wires Ensure that the connected pneumatic tubes are smoot...
Страница 17: ...l the tube at a higher point so the bubble stream is not affected and consider this elevation as an offset With an invariable pressure of 1 5 bar possible bubble discontinuance doesn t mean airflow ad...
Страница 18: ...ater in PIT7000 S5 unless otherwise stated on the product label So the level which generates the maximum output signal corresponds to the maximum pressure that your version can handle Hydrostatic pres...
Страница 19: ...ee in harsh industrial environment The conductor s stripping length should be 8 mm with its cross section within the following ranges depending on type The recommended tightening torque is 0 5 0 6 Nm...
Страница 20: ...tput signal during operation An internal High Side Driver provides a voltage output signal during ERROR state almost equal to power supply voltage VPS 1V The output current limit is 500mA while the Cu...
Страница 21: ...mended to use a shielded cable with twisted pair properly grounded at the side of the signal receiving device MAXIMUM LOAD RESISTANCE RL The output current is proportional to level height In order to...
Страница 22: ...User s Technical Manual P I LEVEL TRANSMITTER PIT7000 GELEC Industrial Electronics PAGE 22 PIT7000 Connection Diagram only mA output used PIT7000 Connection Diagram only V output used...
Страница 23: ...User s Technical Manual P I LEVEL TRANSMITTER PIT7000 GELEC Industrial Electronics PAGE 23 PIT7000 Connection Diagram V mA outputs used...
Страница 24: ...otherwise stated on the product label PIT7000 is factory calibrated to provide the minimum output when atmospheric pressure is applied to its pressure sensor In other words when the bubble tube s V n...
Страница 25: ...ry as long as it s higher than the hydrostatic pressure in maximum level It is recommended that the applied pressure during calibration will be the same with the applied pressure during normal operati...
Страница 26: ...resent data are not saved and the device maintains the value it had before entering Low Level Calibration mode HIGH LEVEL CALIBRATION PROCEDURE PIT7000 should be in normal operation STATUS LED constan...
Страница 27: ...owing procedure Turn off the power supply of PIT7000 STATUS LED is OFF Press and hold CALIBRATION BUTTON when power supply is off While still pressing turn on power and wait until the LED starts flash...
Страница 28: ...Precise span and offset calibration Temperature compensated Sensor operating pressure range S adaptor 0 10 kPa 0 1 45 psi 0 100cm H2O S1 version 0 50 kPa 0 7 25 psi 0 500cm H2O S5 version Sensor proo...
Страница 29: ...for 20mA max output 1 240 for 24mA max output Electrical connection characteristics Terminal block configuration 6 ends 3 screw connections per side Terminal block plating material High quality coppe...
Страница 30: ...chnical Manual P I LEVEL TRANSMITTER PIT7000 GELEC Industrial Electronics PAGE 30 INDUSTRIAL ELECTRONICS 4 Kikladon Str Maroussi Athens Greece GR 15125 Telephone 30 210 6144074 Fax 30 210 6144074 info...
