Product Details
Configured for signal interfacing and signal diversion within Foxboro distributed control architectures, the Foxboro P0917QY-0C (P0917QY-0C Cable) provides direct physical/electrical execution for FBM204 module bypass operations across 4 input and 4 output 0-20 mA loops.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0917QY-0C |
| Brand | Foxboro |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | Passive component (0 W active dissipation) |
| Signal Configuration | 4 Inputs / 4 Outputs (0-20 mA) |
| Cable Architecture | Type 1 Bypass Assembly for FBM204 |
4-20 mA HART Loop Protocol and Channel Isolation
Operating within Foxboro DCS environments, the bypass cable assembly maintains precise conductor spacing and insulation properties to support channel-to-channel isolation across multi-point analog loops. The internal conductor bundle incorporates continuous metallic shielding to mitigate electromagnetic interference (EMI) and radio frequency interference (RFI) from adjacent plant infrastructure. Proper shield termination at the chassis ground stud is mandatory to preserve common-mode noise rejection and ensure accurate signal transition during loop calibration or module servicing.
Frequently Asked Questions
Q: Can the P0917QY-0C bypass cable be used on standard 4-20 mA loops carrying HART digital communication?
A: Yes, the low-impedance passive conductor design preserves signal bandwidth, allowing superimposed HART digital communication packets to pass through without significant attenuation.
Q: Is it necessary to trip the control loop before engaging the Type 1 bypass cable on an active FBM204 module?
A: Proper loop management procedures must be followed in the control station software to place loops in manual or bypass mode before physical connection to prevent inadvertent safety trips or process disturbances.
Field Installation Guidelines
- Ensure loop power and associated control signals are appropriately managed in the DCS software before connecting the bypass assembly.
- Align connector pins carefully with the FBM204 terminal assembly to prevent pin bending or housing damage during mating.
- Fasten all retention screws or locking mechanisms securely to withstand industrial plant vibration environments.
- Route the cable away from high-voltage power conduits and variable frequency drive (VFD) lines to minimize radiated electrical noise.
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.





























