Product Details
The Yokogawa EJA530E-JCS7N-012DL/D3/N4, also cataloged as the EJA530E Differential Pressure Transmitter, operates as a dedicated hardware component for gauge/differential pressure cell monitoring and HART digital signal transmission within process automation networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | EJA530E-JCS7N-012DL/D3/N4 |
| Brand | Yokogawa |
| Origin | Japan |
| Base Weight | 2.8 kg |
| Shipping Weight | 4.0 kg |
| Dimensions | Unspecified (Standard EJA-E series envelope) |
| Operating Temp | -40 to +85 deg C (Standard housing/capsule range) |
| Power Consumption | 0.44 W to 1.0 W (Loop-powered 10.5 to 42 V DC) |
| Measurement Span | 0.1 to 10 MPa (14.5 to 1450 psi) |
| Output Signal | 4 to 20 mA DC with HART 5/HART 7 protocol |
| Process Connection | 1/2 NPT male |
| Electrical Connection | Dual 1/2 NPT female entries |
| Diaphragm Material | Hastelloy C-276 |
| Housing Material | Cast aluminum alloy |
| Mounting | 316 SST bracket for 2-inch pipe mounting |
Process Control & Fieldbus Characteristics
Featuring a dedicated 4-20 mA HART loop protocol architecture, the EJA530E transmitter superimposes digital communication signals onto the analog current loop without interrupting primary process value updates. Internal signal conditioning provides channel-to-channel isolation and dynamic thermal drift attenuation. The digital sensing capsule delivers real-time static pressure feedback and temperature compensation over long-distance cable runs to DCS I/O channels.
Frequently Asked Questions
Q: How does the HART protocol revision selection affect DCS loop integration?
A: The output stage supports configurable HART 5 or HART 7 protocol stack execution. Selecting HART 7 enables advanced diagnostic alerts and multi-variable burst reporting over standard 4-20 mA DC analog current loops.
Q: What precautions apply to the dual 1/2 NPT electrical connections?
A: The housing features two female 1/2 NPT conduit entries without pre-installed blind plugs. Unused ports require field installation of certified IP66/IP67 explosion-proof plug assemblies to prevent moisture ingress.
Field Installation Guidelines
- Mechanical Connection & Torque: Thread the 1/2 NPT male process connector into the impulse line using appropriate PTFE tape or thread sealant. Ensure engagement of at least 5 full threads to maintain pressure-retaining seal integrity under high process pressures.
- Conduit Wiring & Sealing: Route twisted-shielded pair cable through the 1/2 NPT female electrical connection ports. Drip loops must be formed in the conduit before entry into the cast aluminum housing to divert condensed moisture.
- Grounding & Shielding: Connect the signal wire shield to the external or internal grounding stud on the transmitter amplifier housing. Maintain single-point earthing at the control system cabinet side to eliminate ground loop current interference.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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Mastering the Siemens PLC Scan Cycle: How the CPU Executes Automation Programs
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