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Phone: +86 16626708626Description
Key Technical Specifications
| Parameter | Specification Value |
| Part Number | P0917KZ |
| Input Channels | 8 discrete inputs (120 V AC/125 V DC nominal) |
| Output Channels | 8 discrete relay outputs (Form A contact rate 120 V AC/125 V DC) |
| Isolation Rating | 1,500 V AC channel-to-ground; 1,500 V AC channel-to-channel |
| Power Dissipation | 7.5 W maximum @ 24 V DC backplane supply |
| Bus Communication | 2 Mbps redundant Module Fieldbus (HDLC protocol) |
| Operating Temperature | −20 to +70°C (−4 to +158°F) |
| Relative Humidity | 5 to 95% non-condensing |
| Mounting | Baseplate mounted (100 mm width DIN-rail compatible baseplate) |
| Field Termination | External Termination Assembly (ETA) via 25-pin D-sub cable |
Product Introduction & Supply Chain Strategy
The Foxboro FBM241C (P0917KZ) is an 8-input/8-output channel-isolated discrete module designed for Foxboro I/A Series and EcoStruxure DCS platforms. It interfaces switches, pushbuttons, and relay contacts with the control system, executing high-speed signal isolation and logic conversion for critical process loops.
Maintaining FBM241C inventory as New Surplus protects plant operations against unexpected DCS downtime without paying full OEM list prices. Refurbished I/O cards carry high risks of degraded isolation barriers and fatigued output relays, which can trigger system-wide trips. Sourcing New Surplus provides 100% genuine factory reliability, zero backplane pin wear, and full operational lifespan at a lower Total Cost of Ownership (TCO).
FBM241C
FBM241C
Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Execute Lock-Out/Tag-Out (LOTO) procedures on field power sources connected to the External Termination Assembly (ETA).
- Attach a grounded ESD wrist strap before handling the replacement module.
- Record the letter keying position on the baseplate slot to verify physical key alignment with the FBM241C module base.
- Verify field supply voltages on the ETA terminal strip measure 0 V AC/DC prior to wiring manipulation.
Stage 2: Removal
- Loosen the top and bottom captive retaining screws on the existing FBM241C module.
- Pull the module release latches outward to disengage the backplane connector.
- Slide the old module straight out of the baseplate slot to prevent bending adjacent backplane connector pins.
Stage 3: Installation (Clone & Seat)
- Verify the replacement FBM241C DIP switches match the original module’s letter keying and baseplate channel settings.
- Align the replacement module with the baseplate guide rails.
- Slide the module firmly into the slot until the backplane connector seats completely.
- Tighten the top and bottom captive screws to 0.5 Nm (4.4 in-lb) to secure the module ground connection.
Stage 4: Power-On & Testing
- Re-apply 24 V DC system power to the baseplate.
- Observe the red/green operational LED on the front panel:
- Solid Green: Module passed self-test and established Fieldbus communication.
- Flashing Red/Red: Module failure or communication timeout.
- Verify input bit states in the Foxboro I/A Series System Definition Utility (SDU) or Control Processor block status.
Firmware/Software Versions & Upgrade Notes
- Recommended Firmware Version: Revision 1.42 or higher for standard I/A Series software releases v8.x through EcoStruxure DCS v9.4.
- Backward Compatibility: Fully compatible with legacy baseplates (P0926AE/P0926AF) running system software v6.x and higher.
- Firmware Upgrade Risks: Do not flash or alter module firmware during a live replacement. Changing firmware on an active node can break block binding with the Control Processor (CP60/FCP270/FCP280), resulting in
BADI/O point quality flags across all 16 channels.
Frequently Asked Questions (FAQ)
Why is this New Surplus module priced lower than factory OEM direct but higher than refurbished units?
Our New Surplus FBM241C units come from verified global inventory overhangs and cancelled project stock. They are genuine, unused OEM hardware with zero operating hours, offering original factory reliability without the full list price markup. Refurbished units may be cheaper, but they carry hidden component degradation that increases total risk.
Are these modules genuinely unused?
Yes. Every module is guaranteed unused, non-refurbished, and uninstalled. They retain their original factory anti-static packaging and undergo strict visual and electrical checks (inspecting backplane pins, housing clips, and serial numbers) prior to shipment.
What are the risks of hot-swapping an module?
While Foxboro I/A Series baseplates support hot-swapping under power, field signal power connected to the ETA should be isolated. Inserting a module into a live baseplate with active 120 V AC field short circuits can damage the internal channel isolation components or cause false input trips on the system.
Does the module store user logic or configuration parameters?
No. The functions as an I/O device. All channel mapping, point execution, and signal inversion parameters are stored in the Control Processor compound/block configuration (ECB22 / FBM241 block types). Upon insertion, the CP pushes the configuration directly to the module.
What warranty covers this New Surplus module?
We provide a comprehensive 1-year replacement warranty on all New Surplus Foxboro hardware. If the module exhibits hardware faults or fails self-test diagnostics within 12 months of purchase, we replace it directly from our stock.
