Product Details
Configured for discrete and analog signal execution in Foxboro DCS and control platforms, the Foxboro P0918EU (P0918EU PLC Module) provides direct physical/electrical execution. Driven by an Intel 80C186 processor with 256 KB RAM and 512 KB ROM, the unit manages 32 digital I/O points and 16 analog I/O points using standard IEC programming languages including ladder logic, function block diagram, and instruction list.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0918EU |
| Brand | Foxboro |
| Origin | USA |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | 4 W |
| Processor | Intel 80C186 |
| Memory | 256 KB RAM, 512 KB ROM |
| I/O Capacity | 32 digital I/O points, 16 analog I/O points |
| Operating Voltage | 24 VDC |
| Isolation Voltage | 2 kV |
| Operating Humidity | 0% to 95% RH (non-condensing) |
Channel-to-Channel Isolation and Loop Protocol Connectivity
The Foxboro P0918EU integrates 2 kV isolation barriers to maintain galvanic separation between logic circuits and field wiring. This channel-to-channel isolation architecture prevents ground loop currents from interfering with 4-20 mA HART loop protocol communications across analog field channels, ensuring structured signal processing in mixed digital and analog field terminations.
Frequently Asked Questions
Q: What isolation rating is provided between field wiring and internal logic on the P0918EU?
A: The module provides 2 kV galvanic isolation between the field-side terminal interfaces and internal system electronics.
Q: Which programming languages does the P0918EU module processor support?
A: The onboard Intel 80C186 processor executes application logic programmed in ladder logic, function block diagram (FBD), and instruction list (IL).
Field Installation Guidelines
Mount the P0918EU module into its designated baseplate card slot, verifying that top and bottom retaining latches lock fully into the rack structure. Ensure system 24 VDC supply power is turned off before seating or extracting the module.
Route digital and analog I/O conductors through separate wiring troughs to mitigate electrical noise coupling. Connect all cable drain shields to a single-point cabinet ground bar. For conduit entries penetrating the enclosure wall, ensure threaded NPT connections achieve a minimum of 5 full threads of engagement to maintain physical strain relief and grounding continuity.
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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