FBMХХ RH931RQ FOXBORO digital signal acquisition module
FOXBORO FBMХХ RH931RQ is a high-density 24VDC digital input (DI) module belonging to Emerson’s FOXBORO I/A Series Distributed Control System (DCS), featuring 32-channel isolated digital signal acquisition, fast input response, and robust anti-electromagnetic interference performance, designed for cabinet-mounted industrial signal collection, with compact structure and hot-swappable capability, widely applied in process control and discrete manufacturing scenarios for reliable on-site digital signal acquisition and transmission.
FOXBORO FBMХХ RH931RQ Product Profile & Technical Specifications One-sentence Overview FOXBORO FBMХХ RH931RQ is a high-density 24VDC digital input (DI) module belonging to Emerson’s FOXBORO I/A Series Distributed Control System (DCS), featuring 32-channel isolated digital signal acquisition, fast input response, and robust anti-electromagnetic interference performance, designed for cabinet-mounted industrial signal collection, with compact structure and hot-swappable capability, widely applied in process control and discrete manufacturing scenarios for reliable on-site digital signal acquisition and transmission. 1. Basic Product Information Brand/Manufacturer: FOXBORO (a core brand of Emerson Automation Solutions, a global leader in industrial automation and process control technology) Model & Part Number: Model: FBMХХ; Core Part Number: RH931RQ Product Type: Industrial-grade 24VDC digital input (DI) module, dedicated to FOXBORO I/A Series DCS Channel Configuration: 32 independent digital input channels, with channel-to-channel electrical isolation Product Series: FOXBORO I/A Series Fieldbus Module (FBM) Compliance & Certification: Complies with UL, CSA, IEC 61131-2 (industrial control equipment standards), IEC 61000-4 (EMC immunity); meets RoHS environmental standards Product Status: Brand-new original industrial-grade component, factory-sealed with complete technical documentation and certification Compatibility: Fully integrated with FOXBORO I/A Series DCS racks and controllers; supports seamless connection with Emerson DeltaV systems via communication gateways Warranty: 1-year standard factory warranty (terms may vary by authorized suppliers) 2. Physical Specifications Weight: Net weight approximately 0.25-0.3 kg (single module); gross weight approximately 0.5 kg (including original packaging and anti-static bag) Dimensions (H × W × D): Standard compact size 127 mm × 89 mm × 152 mm (5.0 in × 3.5 in × 6.0 in), optimized for space-constrained DCS cabinet installation Mounting Method: Standard 35 mm DIN rail mounting (compatible with FOXBORO I/A Series dedicated DCS racks); panel mounting optional with matching brackets; supports front-side wiring and maintenance Housing Material: High-strength industrial-grade flame-retardant engineering plastic (UL94 V-0 rating); metal shielding plate for the core circuit section, enhancing anti-interference performance Protection Grade: IP20 (optimized for indoor industrial control cabinet internal installation, dust-proof and splash-proof against accidental water drops) Structural Features: Compact modular design; front-panel integrated LED status indicators for each channel; detachable spring terminal block for fast wiring and replacement; anti-static ESD protection design for the shell 3. Electrical Parameters Input Type: 24VDC sinking/sourcing digital input, compatible with both NPN and PNP sensor output signals Rated Input Voltage: 24 VDC; operating voltage range 18-30 VDC (wide voltage adaptability for industrial power supply fluctuations) Input Current: Typical 7 mA @ 24 VDC (per channel); maximum no-load current <1 mA Isolation Performance: Channel-to-channel isolation, channel-to-ground isolation; isolation voltage 250 VAC (rms) for 1 minute, no breakdown or flashover Input Response Time: Configurable fast/slow response, 1-10 ms (fast mode) / 10-100 ms (slow mode), adaptable to different on-site signal speed requirements Surge & Overvoltage Protection: Built-in transient voltage suppressor (TVS) and current-limiting resistor for each channel; withstands 1 kV surge voltage (per IEC 61000-4-5) Module Power Supply: Powered by FOXBORO I/A Series DCS rack backplane, 24 VDC (rack-supplied); typical power consumption <5 W (full channel operation) Wiring Interface: 38-pin detachable spring terminal block, plug-and-play design, no tool required for wiring; supports common industrial cable types (0.5-1.5 mm²) Signal Indication: Independent LED indicator (green) for each input channel – ON for valid input signal, OFF for no signal or module fault 4. Environmental Parameters Operating Temperature Range: -40°C to +70°C (-40°F to +158°F), wide temperature adaptability for harsh industrial sites Storage Temperature Range: -40°C to +85°C (-40°F to +185°F), suitable for long-term storage in warehouses with large temperature variations (non-condensing) Relative Humidity: 5% to 95% RH (non-condensing), compliant with IEC 60068-2-30; no dew or condensation allowed on the module surface Vibration Resistance: Complies with IEC 60068-2-6; 5-150 Hz frequency range, 0.5 g acceleration (sinusoidal vibration); no functional failure or component damage after vibration test Shock Resistance: Complies with IEC 60068-2-27; 15 g peak acceleration, 11 ms half-sine shock; withstands 3 shocks in each of X/Y/Z axes EMC Immunity & Emission: Immunity meets IEC 61000-4-2 (ESD), IEC 61000-4-3 (radiated RF), IEC 61000-4-4 (electrical fast transient); emission meets IEC 61000-6-1/6-2, no electromagnetic interference to other DCS components Altitude Rating: Up to 2000 meters (6562 ft) at standard operating temperature; derating not required for most industrial on-site applications
interface *Output method: rear output *Fast Ethernet: 3 slots, each slot supports 8 ports, with optional optical and electrical options *Gigabit Ethernet: Provides 4 1000Base SFP slots *CONSOLE port: RS232 (RJ45) *Alarm port: 5.08mm spacing 3-pin Phoenix wiring terminal, 250VAC/220VDC 2 A cable *Twisted pair cable: 100m *Multimode fiber: 1310nm, 2km (100Mbps); 1310nm, 500m (gigabit) *Single mode fiber: 1310nm, 0-40km; 1550nm, 0-80km source *Input voltage: 110-220VDC/VAC, redundant input *Connection terminal: 5.08mm spacing 5-pin Phoenix wiring terminal *Power:<40W mechanical properties *Case: Aluminum model with fanless design *Protection level: IP30 *Installation method: 19 inch 1U rack type *Shell size: 440 mm * 44.5 mm * 370 mm (W * H * D), as shown in the attached image *Impact, vibration, and drop: meet the requirements of IEC61850-3 5.5 CM level *Weight: approximately 4.3kg
