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Allen Bradley PROCESSOR MODULE ICS TRIPLEX T8461C 3500/22M 138607-01 MC-TAOY22 51204172-175 MC-TAMT04 51305890-175 Emerson KJ3001X1-BB1 12P0550X142

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FOXBORO FBM228 RH101SF Fieldbus interface module

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FOXboro / FIELD CONTROL

FBM228

RH101SF

FOUNDATION™ Fieldbus
Communication Module

◇ FIELD NETWORK INTERFACE

KEY TECHNICAL POINTS

⑷	4 Isolated H1 Links Dedicated fieldbus communication paths
◎	Up to 64 Devices Maximum per module across four H1 links
↔	31.25 kbps H1 FOUNDATION Fieldbus H1 bus rate

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Product Details

FOXBORO / FOUNDATION FIELDBUS

Overview Specifications Integration Related Models FAQ

FIELD CONTROL / H1 COMMUNICATION

FBM228

RH101SF

Four-link FOUNDATION Fieldbus interface module

FBM228 connects FOUNDATION Fieldbus H1 devices to the Foxboro DCS environment and supports control-in-the-field operation. Four galvanically isolated H1 links, scheduled communications and redundant module operation make it suitable for distributed process-control architectures.

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◆ Sales manager: Miya zheng ✉ sales@amikon.cn ☎ 86-18020776792

01 / TECHNICAL SPECIFICATIONS

H1 network and module characteristics

Product type	FOUNDATION Fieldbus module for control-in-the-field applications
Part number	RH101SF; supersedes RH973LB
H1 capacity	Four isolated FOUNDATION Fieldbus H1 links
Device capacity	Up to 64 devices per module; up to 16 devices per H1 link, subject to segment design
Communication capacity	Up to 128 publisher/subscriber and 256 client/server block connections per module
Minimum macrocycle	200 ms; adjusted as required to retain unscheduled communication time
Module supply	24 V DC, +5% / -10%
Power consumption	3.8 W maximum
Isolation	Each H1 channel galvanically isolated and referenced to ground
Indicators	Operational status, master/tracker role and one communication-activity LED per channel
Operating range	-20 to +70 deg C up to 914 m; -20 to +60 deg C from 915 to 3,000 m
Humidity	5 to 95% noncondensing
Dimensions	102 mm high; 114 mm including lugs x 45 mm wide x 104 mm deep
Approximate mass	284 g
Mounting	Standard 200 Series baseplate; DIN-rail or 19-inch rack arrangement
Associated hardware	RH922RK redundancy adapter; RH922VC passive termination assembly

02 / FUNCTIONAL ROLE & SYSTEM INTEGRATION

From control strategy to field devices

Foxboro DCS control strategy

Redundant module fieldbus

FBM228 link scheduler

Four isolated H1 segments

Verify segment current, trunk and spur lengths, power conditioners, terminators, intrinsic-safety design and configured macrocycle before commissioning. Module redundancy does not remove the need to validate the complete H1 physical layer.

20 YEARS OF INDUSTRIAL AUTOMATION SUPPLY

Responsive support for planned and urgent requirements

Experienced coordination for exact-code matching and international delivery.

Careful inspection and configuration checks before dispatch.

Urgent shipping options help reduce costly production delays.

For more than two decades, AMIKON has supported industrial automation buyers with dependable service, broad global reach and quality-focused fulfillment. Difficult-to-find requirements are handled by an experienced sales team.

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◆ Sales manager: Miya zheng ✉ sales@amikon.cn ☎ 86-18020776792

04 / FREQUENTLY ASKED QUESTIONS

Engineering FAQ

Q1	How many H1 links are available? The module provides four galvanically isolated FOUNDATION Fieldbus H1 links.
Q2	Can it operate as a redundant pair? Yes. Redundant operation uses two FBM228 modules with the applicable redundancy adapter and system configuration.
Q3	Does the module power every fieldbus segment directly? Segment powering depends on the termination and power-conditioning arrangement. Validate each H1 physical layer before installation.
Q4	What should be checked before replacement? Confirm the complete part number, baseplate position, redundancy arrangement, segment power design, H1 device count and configured control schedule.
Q5	Is FBM228 equivalent to a HART analog input module? No. FBM228 serves FOUNDATION Fieldbus H1 networks; HART analog input requires a module designed for 4-20 mA/HART channels.

Need the exact installed configuration?

Send the complete part number, quantity, required condition and installed system details. Our team will help verify the requested configuration before quotation.

CONTACT THE SALES TEAM

◆ Sales manager: Miya zheng ✉ sales@amikon.cn ☎ 86-18020776792

05 / RECOMMENDED MODELS

Industrial automation selection

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15DSPC173 57310001-MT	30PLX32-EIP-PND	45DS200TBQCG1ABB	60MU-TLPA02 51309204-125

Ordering details

State the complete model and part number, quantity, condition requirement, destination and target delivery date. Match the installed baseplate, termination hardware, system release and field-device arrangement before purchase.

Returns & replacement

Contact us within seven days of receipt if an issue is found. Returned units must remain in their original condition and include a clear reason. A return or replacement is arranged after inspection; shipping costs remain the buyer's responsibility.

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