RH927AF Foxboro Discrete I/O Module

Foxboro RH927AF I/A Series Discrete I/O Module P0927AF

Foxboro RH927AF I/A Series Discrete I/O Module P0927AF

Availability: 10 left in stock

Foxboro RH927AF I/A Series Discrete I/O Modules Configured for discrete signal voltage monitoring and status sensing in Foxboro Evo platforms,...

SKU: FBM238

Manufacturer: Foxboro
Product No.: FBM238
Product Type: Discrete I/O Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 320g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Foxboro RH927AF I/A Series Discrete I/O Modules

Configured for discrete signal voltage monitoring and status sensing in Foxboro Evo platforms, the Foxboro RH927AF (FBM238 Discrete I/O Module) provides direct physical and electrical execution. The module manages 32 group-isolated channels to interface field switch contacts, solenoid feedbacks, and motor run signals directly to the control network.

Suffix Breakdown & Model Matrix

The FBM238 platform uses specific part numbers to designate hardware revs, baseplate compatibility, and conformal coating options:

FBM238 / RH927AF: Primary ordering code representing the 32-channel discrete I/O module with G3 conformal coating.
P0927AF: Alternate manufacturing and baseplate assembly part number corresponding to the physical RH927AF hardware block.

Hardware Specifications

Parameter	Specification
Model	RH927AF (FBM238 / P0927AF)
Brand	Foxboro
Origin	USA
Weight	0.32 kg
Dimensions	4.5 cm x 11.5 cm x 11 cm
Operating Temp	-40 to +70 deg C
Power Consumption	Standard backplane fieldbus supply load
Channel Count	32 Group Isolated Discrete Channels
Function	Discrete Input/Output Voltage Monitoring
Communication	Redundant Module Fieldbus Interface
Isolation	Group-to-System and Channel-to-System Isolation
Environmental Protection	G3 Conformal Coating

Process Control & Channel Isolation Profiles

The module integrates channel-to-system and group-to-system galvanic isolation barriers to prevent transient voltage spikes from damaging the internal system fieldbus. Furthermore, the 32 discrete processing channels handle deterministic contact closures and voltage state transitions, transferring real-time status frames across the redundant Fieldbus interface to the Control Processor without introducing loop latency.

Frequently Asked Questions

Q: Does the RH927AF module support live insertion and removal during process operations?

A: Yes, the FBM238 architecture allows hot-swapping under live backplane power. When deployed in a dual-module fault-tolerant redundant configuration, you can replace a single module without interrupting active signal scanning or affecting the executing control processor logic.

Q: How does the RH927AF connect to field switches and actuators?

A: The high-density 32-channel module requires a dedicated, pin-compatible Foxboro Termination Assembly (TA). The field cables connect to the screw or spring terminals on the TA, which passes signals to the FBM238 module via a standardized multi-conductor cable.

Field Installation Guidelines

First, ensure that the fieldbus baseplate slot is clean and free of dust or metallic debris before plugging in the hardware. Secure the module onto the DIN-rail mounted baseplate by aligning the locking tabs and firmly pressing until the latch locks into position.

Next, implement proper cable shielding protocols. Ground all field wiring shields at a single dedicated point on the system earth bar to prevent ground loops. Maintain a minimum gap of 200 mm between low-voltage fieldbus signal cables and high-voltage AC power lines to minimize electromagnetic interference.

Finally, ensure at least 5 threads of engagement when connecting conduits to field junction boxes, and confirm that cabinet airflow clearance stays above 50 mm around the module heatsink vents to maintain effective thermal dissipation.

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Excellent Emergency Support!

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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Maintenance Manager, USA

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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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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.