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LD292

Foundation Fieldbus Pressure Transmitter


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LD292 - Foundation Fieldbus Pressure Transmitter offers digital Foundation Fieldbus based communication simplifying calibration and providing remote diagnostics. Its microprocessor-based electronics allow for total interchangeability with SMAR capacitive sensors, correcting automatically sensor characteristic changes caused by temperature fluctuation.

LD292 - Foundation Fieldbus Pressure Transmitter utilizes the Foundation™ fieldbus H1 protocol, an open technology that allows any H1 enabled configuration tool to configure this device.

Syscon (System Configuration Tool) is a software tool used to configure, maintain and operate the field devices. Syscon offers efficient and friendly interaction with the user, using Windows NT version 4.0 or later, Windows 2000 and Windows XP.

 

Some Characteristics:

Output
Digital only. Complies with IEC 61158-2:2000 (H1): 31.25 kbit/s voltage mode, bus powered.
Range 0 to 25 MPa (3600 psi)
Rangeability Accepts calibration from URL to URL/40
Accuracy
± 0.075% of calibatred span
Power Supply Bus powered: 9 to 32 Vdc.
Quiescent current consumption: 12 mA
Output impedance: nonintrinsic safety from 7.8 kHz - 39 kHz should be greater or equal to 3 kOhm.
Intrinsic safety output impedance (assuming an IS barrier in the power supply) from 7.8 kHz - 39 kHz should be greater or equal to 400 Ohm.
Update Output Current 100ms
FMEDA Analysis done by Exida
MTBF 239 years
SIL Yes
Calibration With reference and without reference
Access Protection Yes, by hardware.
Diagnostic Yes, by LCD.
Indicator Optional 41/2-digit numerical and 5-character alphanumerical LCD indicator
Only Eletric Board Only electronic board with math co-processor high-performance, interchangeable on all models.
Update for HART and PROFIBUS PA These protocols are easily changed by either replacing the
internal electronic board or downloading the firmware. A
FOUNDATION fieldbus  transmitter can be changed into a HART device by replacing the internal card, and vice versa. A Foundation™ fieldbus device can be changed into a PROFIBUS PA device
and vice versa, by simply downloading a new firmware.
Ambient Temperature Limits Ambient:
- 40 a 85°C (-40 a 185 °F)

Process:
- 40 a 100°C (-40 a 212 °F) (Silicone Oil)
- 0 a 85°C (32 a 185 °F) (Fluorolube Oil)
-25 a 85 ºC (-13 a 185 º F) (Anéis de Vedaçao em Viton)

Stocking:
- 40 a 100°C (-40 a 212 °F)

Display: 
- 10 a 60 ºC (14 a 140 º F) (In operation)
- 20 a 80°C (-4 a 176 °F)
- 40 a 85°C (-40 a 185 °F) (No damaged)
Ambient Humidity Limits
0 to 100% RH
Housing
Injected low copper aluminum with polyester painting or 316 stainless steel housing. According to the NEMA 4X, IP66.
Wetted Parts 316L SST, Hastelloy C276
Nonwetted Parts Injected aluminum with polyester painting or 316 SST
Hazardous Area Certification
Intrinsic Safe (FM, CSA, Nemko, Dekra/EXAM, Cepel and NEPSI), non-incendive (FM, CSA and Cepel), explosion proof (FM, Nemko and Cepel) and dust ignition proof (FM).
Weight
Less than 2.0 kg (4 lb)

 



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