FCM100Et Foxboro Fieldbus Communication Module

Foxboro FCM100Et P0926GS I/A Series Fieldbus Communication Modules

Foxboro FCM100Et P0926GS I/A Series Fieldbus Communication Modules

Availability: 10 left in stock

Foxboro FCM100Et Fieldbus Communication Module The Foxboro FCM100Et, also cataloged as the FCM100ET Fieldbus Communication Modules, operates as a dedicated...

SKU: FCM100ET

Manufacturer: Foxboro
Product No.: FCM100ET
Product Type: Fieldbus Communication Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 390g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Foxboro FCM100Et Fieldbus Communication Module

The Foxboro FCM100Et, also cataloged as the FCM100ET Fieldbus Communication Modules, operates as a dedicated hardware component for protocol conversion between 100 Mbps Ethernet and 2 Mbps Fieldbus networks within Foxboro I/A Series DCS platforms.

Hardware Specifications

Parameter	Specification
Model	FCM100Et (P0926GS)
Brand	Foxboro
Origin	USA
Weight	0.39 kg (0.85 lbs)
Dimensions	Standard I/A Series DIN rail baseplate footprint
Operating Temp	-20 to +70 deg C
Power Consumption	Redundant DC input power via baseplate bus
System Compatibility	Foxboro I/A Series DCS
Protocol Support	100 Mbps Ethernet to 2 Mbps Fieldbus / FOUNDATION Fieldbus H1
Fieldbus Data Rate	31.25 kbit/s per H1 channel
Channel Capacity	Dual isolated channels, up to 32 devices per channel
Galvanic Isolation	1500 VDC channel-to-logic isolation
Protection Rating	IP20

FOUNDATION Fieldbus & Channel Isolation Architecture

The module establishes a deterministic bridge between upper-level 100 Mbps Ethernet control buses and lower-level 2 Mbps Fieldbus segments, managing cyclic and acyclic data traffic. Each of the dual H1 channels runs at 31.25 kbit/s and maintains up to 32 field instruments. Onboard 1500 VDC galvanic isolation separates field-side wiring from logic processing electronics, preventing common-mode voltage surges and ground loops from disrupting DCS control processor operations.

Frequently Asked Questions

Q: Does the module support online insertion and removal without interrupting fieldbus operations?

A: Yes, the unit plugs into a passive baseplate slot and supports full hot-swapping under power without disrupting active communication loops on adjacent channels.

Q: How is primary and secondary power managed on the module baseplate?

A: Power derives directly from dual, diode-isolated 24 VDC backplane power buses on the DIN-rail baseplate, enabling continuous operation if one power feed fails.

Q: What is the maximum physical device capacity per fieldbus channel?

A: Each isolated H1 channel supports up to 32 FOUNDATION Fieldbus devices, subject to total segment power consumption and communication macrocycle timing constraints.

Field Installation Guidelines

Mount the module onto the dedicated I/A Series DIN-rail baseplate, ensuring the rear connector aligns with the backplane bus before pressing the locking mechanism into place. Connect fieldbus H1 segment wiring using shielded twisted-pair cables designed specifically for IEC 61158-2 physical layer standards. Ground cable shields at one single point on the baseplate ground bar to preserve 1500 VDC galvanic isolation. Maintain adequate clearance around the module housing to facilitate natural convective heat dissipation across the -20 to +70 deg C operating range.

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Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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