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EJX430A Gauge Pressure Transmitter - Yokogawa

<<Contents>> <<Index>>. General EJX430A . Specifications Gauge Pressure Transmitter GS 01C25E01-01EN [Style: S2]. The high performance Gauge Pressure Transmitter EJX430A features single crystal silicon resonant sensor and is suitable to measure liquid, gas, or steam Pressure . The EJX430A outputs a 4 to 20 mA. DC signal corresponding to the measured Pressure . It also features quick response, remote setup and monitoring via BRAIN or HART communications, and diagnostics. The multi-sensing technology provides the advanced diagnostic function to detect such abnormalities as an impulse line blockage or heat trace breakage. FOUNDATION Fieldbus and PROFIBUS. PA protocol types are also available. All EJX series models in their standard con guration, with the exception of the Fieldbus and PROFIBUS.

The high performance gauge pressure transmitter EJX430A features single crystal silicon resonant sensor and is suitable to measure liquid, gas, or steam pressure. The EJX430A outputs a 4 to 20 mA DC signal corresponding to the measured pressure. It also features quick response, remote setup and

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Transcription of EJX430A Gauge Pressure Transmitter - Yokogawa

1 <<Contents>> <<Index>>. General EJX430A . Specifications Gauge Pressure Transmitter GS 01C25E01-01EN [Style: S2]. The high performance Gauge Pressure Transmitter EJX430A features single crystal silicon resonant sensor and is suitable to measure liquid, gas, or steam Pressure . The EJX430A outputs a 4 to 20 mA. DC signal corresponding to the measured Pressure . It also features quick response, remote setup and monitoring via BRAIN or HART communications, and diagnostics. The multi-sensing technology provides the advanced diagnostic function to detect such abnormalities as an impulse line blockage or heat trace breakage. FOUNDATION Fieldbus and PROFIBUS. PA protocol types are also available. All EJX series models in their standard con guration, with the exception of the Fieldbus and PROFIBUS.

2 Types, are certi ed by T V as complying with SIL 2 for safety requirement. STANDARD SPECIFICATIONS. Refer to GS 01C25T02-01EN for Fieldbus communication type and GS 01C25T04-01EN for PROFIBUS PA communication type for the items marked with . Reference Accuracy of Calibrated Span (includes the effects of terminal-based linearity, hysteresis, and repeatability). SPAN AND RANGE LIMITS. Measurement span H. Measurement psi bar kg/cm2. MPa Reference X span of Span Span/Range (/D1) (/D3) (/D4). accuracy X > span ( + URL/span)% of Span to 500 10 to 2000. Span to 5 to 5 X 70 kPa (280 inH2O). kPa inH2O. H 400 URL. 100 to 500 kPa (2000 inH2O). Range to 2000 1 to 5 1 to 5 (upper range limit). 500 kPa inH2O. to to to Measurement span A B.

3 Span to 500. 35 35. A Reference X span of Span to Range to 1 to 35 1 to 35 accuracy X > span ( + URL/span)% of Span 500. Span to 16 12 to 2300 to 160 to 160 X MPa (50 psi) MPa (230 psi). B to URL. Range to 16 1 to 160 1 to 160 MPa (500 psi) 16 MPa (2300 psi). 2300 (upper range limit). [When /HAC is specified]. PERFORMANCE SPECIFICATIONS. Zero-based calibrated span, linear output, wetted Measurement span H. parts material code S' and silicone oil, unless Reference X span of Span otherwise mentioned. accuracy X > span ( + URL/Span) % of Span For Fieldbus and PROFIBUS PA communication X 70 kPa (280 inH2O). types, use calibrated range instead of span in the URL. following specifications. (Upper Range Limit). 500 kPa (2000 inH2O).

4 Specification Conformance EJX series ensures specification conformance to at Measurement span A B. least 3 . Reference X span of Span accuracy X > span ( + URL/Span) % of Span X MPa (50 psi) MPa (230 psi). URL. MPa (500 psi) 16 MPa (2300 psi). (Upper Range Limit). Yokogawa Electric Corporation GS 01C25E01-01EN. 2-9-32, Nakacho, Musashino-shi, Tokyo, 180-8750 Japan Copyright Feb. 2004. Tel.: 81-422-52-5690 Fax.: 81-422-52-2018 29th Edition Sep. 2018. <<Contents>> <<Index>> 2. Ambient Temperature Effects per 28 C (50 F) Damping Time Constant (1st order). Change Amplifier's damping time constant is adjustable from to s by software and added to response Capsule Effect time. H ( Span + URL) Note: For BRAIN protocol type, when the software A and B ( Span + URL) damping is set to less than s, communication may occasionally be unavailble during the Stability (All normal operating condition) operation, especially while output changes of URL per 15 years dynamically.

5 The default setting of damping ensures stable communication. Power Supply Effects(Output signal code D, E. and J) Update Period . % per Volt (from to 32 V DC, 350 ) Pressure : 45 ms Vibration Effects Zero Adjustment Limits Amplifier housing code 1 and 3: Zero can be fully elevated or suppressed, within the Less than of URL when tested per the lower and upper range limits of the capsule. requirements of IEC60770-1 field or pipeline External Zero Adjustment with high vibration level (10-60 Hz, mm External zero is continuously adjustable with displacement/60-2000 Hz 3 g) incremental resolution of span. Re-range Amplifier housing code 2: can be done locally using the digital indicator with Less than of URL when tested per the rangesetting switch.

6 Requirements of IEC60770-1 field with general Integral Indicator (LCD display) . application or pipeline with low vibration level (10-60 5-digit numerical display, 6-digit unit display and bar Hz displacement /60-500 Hz 2g) graph. Mounting Position Effects The indicator is configurable to display one or up to Rotation in diaphragm plane has no effect. Tilting three of the following variables periodically.;. up to 90 degree will cause zero shift up to kPa Pressure in %, scaled Pressure , measured Pressure . ( inH2O) which can be corrected by the zero See also Factory Setting . adjustment. Local Parameter Setting (Output signal code D, E, Response Time (All capsules) and J). 90 ms Parameter configuration by the external zero 150 msec for H capsule with Wetted Parts Material adjustment screw and push button (Integral indicator code H, M, T, A, D, B and W.)

7 Code E) offers easy and quick setup for parameters of When software damping is set to zero and including Tag number, Unit, LRV, URV, Damping, Output mode dead time of 45 ms (nominal) (linear/square root), Display out 1, and Re-range by applying actual Pressure (LRV/URV). FUNCTIONAL SPECIFICATIONS Burst Pressure Limits Output 69 MPa (10,000 psi). Two wire 4 to 20 mA DC output with digital Self Diagnostics communications, linear or square root programmable. CPU failure, hardware failure, configuration error, BRAIN or HART FSK protocol are superimposed on and over-range error for Pressure and capsule the 4 to 20 mA signal. temperature. Output range: mA to mA User-configurable process high/low alarm for Output limits conforming to NAMUR NE43 can be Pressure is also available, and its status can be pre-set by option code C2 or C3.

8 Output when optional status output is specified. Failure Alarm (Output signal code D, E and J) Advanced Diagnostics (optional) . Output status at CPU failure and hardware error; Applicable for Output signal code E, J and F. Up-scale: 110%, mA DC or more (standard) Impulse line blockage detection Down-scale: 5%, mA DC or less The impulse line condition can be calculated and Analog output status at process abnormality (Option detected by extracting the fluctuation component code /DG6); from the static Pressure signal. The result of process abnormality detected by the Heat trace monitoring advanced diagnostic function can be reflected to The change of the flange temperature calculated by an analog alert status. The following three setting using the two temperature sensors built in the EJX.

9 Modes are available. enables to detect the heat trace breakage or the abnormal temperature due to the failure. Mode Signal Characterizer (Output signal code D, E. Burnout Fall back Off and J). 110%, User-configurable 10-segment signal characterizer Standard or more Holds to a for 4 to 20 mA output. , specified value /C1. or less within the Normal output Option , output range /C2. Code or less from to , /C3. or more All Rights Reserved. Copyright 2004, Yokogawa Electric Corporation GS 01C25E01-01EN Aug. 15, 2016-00. <<Contents>> <<Index>> 3. Status Output (optional, output signal code D, E Minimum Pressure Limit and J) See graph below One transistor contact output (sink type) to output the status of user configurable high/low alarm for Pressure .

10 100( ) Atmospheric Contact rating : 30 V DC, 120 mA DC max. Pressure Refer to Terminal Configuration' and Wiring Example Working for Analog Output and Status Output.' Pressure kPa abs SIL Certification (psi abs). All the EJX series transmitters except Fieldbus and Applicable range PROFIBUS PA communication types are certified by T V in compliance with the following standards; 10( ). IEC 61508: 2010; Part1 to Part 7. Functional Safety of Electrical/electronic/. programmable electronic related systems; SIL 2. ( ). capability for single Transmitter use, SIL 3 capability for dual Transmitter use. 1( ). NORMAL OPERATING CONDITION -40 0 40 80 120. (Optional features or approval codes may (-40) (32) (104) (176) (248). affect limits.)


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