Product Details
Configured for continuous electrodeless conductivity signal conversion in process control networks, the Foxboro 873EC-BIYFGZ-7 (873EC-BIYFGZ-7 Intelligent Conductivity Transmitter) provides direct physical/electrical execution for raw sensor digitizing and loop communication.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 873EC-BIYFGZ-7 |
| Brand | Foxboro (Schneider Electric) |
| Origin | USA |
| Weight | 2.50 kg |
| Dimensions | Standard 873EC transmitter housing footprint |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | Loop-powered via 10.5 to 42 V DC |
| Measurement Range | 0 to 2000 mS/cm (sensor dependent) |
| Output Signal | 4-20 mA DC two-wire loop powered |
4-20 mA HART Loop Protocol and Channel Isolation
Operating within Foxboro DCS environments, the transmitter utilizes a two-wire 4-20 mA HART loop protocol to transmit primary process variables while providing bidirectional digital access for field diagnostics and calibration parameters. Internal galvanic isolation paths isolate sensor input terminals from the power and signaling loop, suppressing common-mode noise and ground loops. Integrated automatic temperature compensation processing interfaces directly with Pt100/1000 RTDs to correct conductivity values dynamically, maintaining measurement accuracy across shifting fluid thermal profiles within the host control interface.
Frequently Asked Questions
Q: How is the primary 4-20 mA current loop powered on the 873EC-BIYFGZ-7 transmitter?
A: The transmitter operates as a two-wire, loop-powered device across an input voltage range of 10.5 to 42 V DC. Operating power is drawn directly from the signal loop wiring connected to the DCS input module or external DC supply.
Q: What temperature compensation sensors connect to this transmitter unit?
A: The terminal board accepts standard Pt100 or Pt1000 Resistance Temperature Detectors (RTDs). The onboard microprocessor reads thermal variations automatically to recalculate normalized conductivity values.
Field Installation Guidelines
- Mount the NEMA 4X / IP66 enclosure securely to a vertical pipe stand, wall surface, or control panel cutout using approved mounting brackets, maintaining clear space around the front display panel.
- Route field wiring through dedicated cable entry ports using liquid-tight conduit fittings.
- Connect sensor cables to the internal terminal strip, maintaining physical separation between high-voltage power lines and low-level sensor leads.
- Ground the shielded sensor wiring at a single point on the main enclosure ground lug to prevent electrical noise interference from affecting the 4-20 mA HART loop.
- Ensure all enclosure cover bolts are torqued properly to preserve IP66 environmental sealing.
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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