Model EJAA, EJAA and. EJAA this manual thoroughly and fully understand how to operate This manual should be passed on to the end user. User’s manual • Read online or download PDF • Yokogawa EJAA User Manual. View and Download YOKOGAWA EJAA user manual online. EJA Series Differential Pressure and Pressure Transmitters. EJAA Transmitter pdf manual.

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The transmitter is designed to withstand severe environmental conditions. Use heat insulation or make lagging to keep temperature within range.

Check parameter values or change the setpoints as necessary. Up to FIC-1a overwritten.

Be sure to connect the grounding lead of the dielectric strength tester to the ground terminal. Tighten the shrouding bolt to a torque of 0. Tag plate for maual n protection 5 Maintenance and Repair Tag plate for flameproof, intrinsically safe type, type n protection, and Dust WARNING The instrument modification or parts replacement by other than authorized Representative of Yokogawa Electric Corporation is prohibited and will void the certification.

Reverse mode is used for applications in which safety requires that output be driven toward 20 mA if input is lost. Multivariable transmitter hart manaul type 52 pages. The third figure from the last shows the last one figure of the year of production.


To prevent such problems, the process pressure taps must be angled as shown in Figure 5. At this Figure 7. Cover Mounting screw 2 Connect the output terminal jea110a with brown connector.

Model ejaa | Yokogawa EJAA User Manual | Page 69 / 83 | Original mode

Even test voltages that do not safely operate the transmitter under pressure. Zero point adjustment Adjusts zero point. Leave this resistor connected at least one second to discharge any static potential.

See Chapter 3 for details. Is impulse piping NO to high pressure and low pressure side correct? EPS previously occurred error will be removed from memory.

Manuao 1 8 Turn the external zero-adjustment screw in the desired direction.

For details, see Chapter 3. Note that output signal can be checked by displaying Present level parameter A Maintenance of the transmitter is easy due to its modular construction.

Set for user-set A Set the output status rja110a LOW when a hardware error occurs.

Yokogawa EJAA User Manual | Page 66 / 83 | Original mode | Also for: EJAA, EJAA

To go back to the setting panel, press the NO key. Orifice NOTE Check that the process pressure tap valves, drain valves, and 3-valve manifold stop valves on both low pressure and high pressure sides are closed, and that the ejw110a manifold equalizing valve is opened.

The DPharp Pressure Transmitters are precisely calibrated at the factory before shipment.

Sets three data items: It may also be used to alert against unsafe practices. Pressure Accessory – Vessel Type of Fluid: In case of its maintenance, soft and dry cloth is used.

  ISO 2725-1 PDF

2 zero point adjustment, Zero point adjustment -2 – Yokogawa EJA110A User Manual

Note 1 4 Turn the external zero-adjustment screw in the desired direction. Set a numeric value for engineering unit for 20 mA output HRV. Praca Acapulco, 31 – Santo Amaro. Hazardous area Flameproof heavy-gauge steel conduit Apply a non-hardening sealant to the threads of these fittings for waterproofing Note In case of an intrinsically safe transmitter, external load resistance includes safety barrier resistance.

Two modes are available: Entering Digits, Symbols, and Spaces Simply press the alphanumeric keys. Screen differential control and monitoring is needed to prevent damage to rotating screens caused by excessive pressure being applied by debris collecting on the screens.

Yokogawa EJA110A User Manual

To make a change such as modifying the drain vent plug s attached to the upside of the cover flange on shipment to be attached to the downside follow the procedure below.

Note maual changing the unit here changes the unit for A Turn the screw clockwise to increase the output See Subsection 8.

The user is permitted, however, to replace a capsule assembly with another of the same measurement range.