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3. Key Technical Specifications
- Product Type: Compression Termination Assembly (passive)
- Compatible Module: FBM206 (P0916CQ) – 8 isolated pulse input channels
- Input Signal Support: Pulse (typically 15–60 V DC or 7–27 V DC range per FBM)
- Mounting: DIN rail, supports 32 mm (1.26 in) and 35 mm (1.38 in)
- Terminal Style: Compression polyamide (PA) / PVC
- Housing Material: Polyvinyl chloride (PVC) or polyamide
- Net Weight: Approximately 181 g (0.40 lb) for compression type
- Isolation: Passive feed-through; channel isolation provided by FBM206
- Cable Interface: Standard termination cable to FBM baseplate (up to 30 m)
- Operating Temperature (TA): PVC –20 °C to +50 °C; PA –20 °C to +70 °C
- Environmental Rating: Compatible with Class G3 harsh environments when used with rated FBM
- Certifications: UL/UL-C and CENELEC Type 1 / Type 2 listings matching the FBM206 subsystem
4. Product Introduction
The Foxboro P0916JQ is the compression-style DIN-rail termination assembly designed specifically for the FBM206 8-channel pulse input module in the I/A Series DCS. It provides the field wiring interface for high-speed pulse signals from turbine meters, vortex meters, tachometers, and similar sensors, supporting rates up to 25 kHz.
Plant engineers use the P0916JQ when they need a genuine OEM terminal base that keeps field wiring undisturbed during FBM replacement, accepts standard compression terminations, and matches the original system design. Correct pairing with the FBM206 prevents signal integrity issues and maintains the isolation and accuracy specified for pulse counting and rate measurement applications.
P0916JQ
P0916JQ
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No pulse count or frequency reading | Open or high-resistance connection at TA terminals | ✅ High | Continuity check from field device to TA terminals; verify torque on compression screws | Re-terminate wires; confirm correct wire gauge and ferrule use |
| Intermittent or missing pulses | Loose terminal, oxidized contact, or poor shield | ✅ High | Visual inspection + live wiggle test while monitoring pulse rate in software | Clean contacts, re-torque, ensure proper single-point shield grounding |
| All channels dead after TA swap | Wrong TA type installed or cable mis-seated | ✅ High | Confirm part number is P0916JQ and matches FBM206 documentation | Install only the correct TA; reseat termination cable and verify pin engagement |
| Noise or false counts | Ground loop or incorrect power/shield wiring at TA | ✅ Medium | Measure voltage between shield and ground; check for mixed signal voltages | Correct grounding and segregation per I/A Series guidelines |
| Physical damage or cracked housing | Mechanical stress or incorrect DIN-rail installation | ✅ Medium | Visual inspection of housing and mounting clips | Replace the TA; do not attempt field repair |
| FBM reports channel faults | Field device voltage outside FBM range or wiring error | ❌ Low (usually field or FBM side) | Verify pulse voltage and polarity at TA terminals with scope or meter | Check field device and FBM configuration first |
If symptoms continue, capture FBM diagnostic data, photograph the TA wiring and part number, and contact technical support with the information.
6. Frequently Asked Questions (FAQ)
Q: Is the P0916JQ the actual pulse input module? A: No. P0916JQ is the compression termination assembly. The module itself is part number P0916CQ. The TA stays in place while the FBM can be swapped.
Q: What signals does the P0916JQ support? A: It is designed for the ’s eight isolated pulse input channels (typical range 7–27 V DC or 15–60 V DC pulse signals from flowmeters, tachometers, etc.). Maximum pulse rate is determined by the FBM (up to 25 kHz).
Q: Can I hot-swap the associated FBM while using this TA? A: Yes. The design allows removal and replacement of the without disturbing field wiring connected to the , provided plant procedures and system configuration permit it. Always follow lock-out/tag-out rules.
Q: Why is the price lower than a direct factory order? A: This is New Original / New Surplus stock. It is genuine Foxboro material that has never been installed in service, stored properly, and functionally verified. It is not refurbished.
Q: Do I need to reconfigure anything when replacing the TA? A: No. The is a passive wiring interface. All pulse counting, totalization, scaling, and diagnostics reside in the and the control processor. Match the terminal wiring to your existing drawings.
Q: What is the warranty and typical lead time? A: Standard coverage is 1 year. Units are normally in stock and ship within a few business days. Confirm current availability when ordering.
Q: Can I use ring-lug terminals instead? A: The is the compression version. The ring-lug equivalent is P0916PG. Use the style that matches your field wiring practice and follow the torque specifications in the I/A Series documentation.
