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Allen Bradley 1756-IB32/A - 32-Point 24VDC Isolated Input - Industrial Automation Rugged Hot-Swap Digital Module
| MOQ: | 1 |
| Price: | USD 100-10000/Piece |
| Standard Packaging: | 50*50*50mm |
| Delivery Period: | 3-7 |
| Payment Method: | T/T |
| Supply Capacity: | 1/piece in stock |
24vdc allen bradley module
,industrial Allen Bradley 1756-IB32/A
,24vdc Allen Bradley 1756-IB32/A
| Attribute | Value |
|---|---|
| Communication Ports | Ethernet, USB |
| Module Type | Digital DC Input Module |
| Mounting | Panel Mount |
| Firmware Version | Full version |
| Package | Origin |
| Type | module |
| Lead Time | In stock |
| Manufacturer | Allen Bradley |
The Allen-Bradley 1756-IB32/A ControlLogix® High-Density DC Input Module delivers 32-channel 24V DC connectivity for large-scale automation systems. Designed for Rockwell Automation's ControlLogix platform, this group-isolated module supports both sinking/sourcing configurations simultaneously while providing 1500V AC backplane isolation. Its compact form factor (single-slot 1756 chassis) features point-per-wire LED diagnostics and embedded surge protection (±30V continuous). Engineered for harsh environments (-40°C to +70°C), it withstands 5g vibration (IEC 60068-2-6) and meets NEMA 4X/IP67 sealing standards with terminal blocks. Pre-configured electronic keying prevents installation errors in Studio 5000® environments, while ≤1ms timestamp resolution enables precise sequence-of-event recording.
Performance-defining parameters:
- Input Channels: 32× 24V DC (individually configurable sink/source per 8-point group)
- Voltage Range: 10-31V DC logic (ON-state min. 15V DC @ 8mA)
- Isolation: 1500V AC field-to-backplane, 250V AC channel-to-group
- Response Time: 0.5ms ON/OFF (filter-disabled), programmable debounce (0-16ms)
- Power Consumption: 120mA @ 5.1V DC backplane, 200mA max field power
- Surge Immunity: EN 61000-4-5 Level 4 (4kV/3kA line-to-ground)
- Connection System: Removable Grouped Terminal Block (GTB) with torque limit (0.6Nm)
- Certifications: UL Class 1 Div 2, ATEX II 3G, IECEx, RoHS III
High-density discrete control:
- Automotive Manufacturing: Body shop clamp monitoring across 500+ I/O panels
- Warehouse Automation: High-speed photoelectric sensor networks for parcel sorting
- Pharmaceutical Packaging: Vial counter inputs on filling lines (21 CFR Part 11)
- Oil & Gas: Wellhead safety valve position feedback (API 14F Zone 2)
- Food Processing: Conveyor jam detection with washdown compatibility
- Material Handling: Palletizer layer limit switch diagnostics
Enables SIL 2 functional safety (IEC 61508) integration via Safety Partner™ modules in critical shutdown systems.
Operational differentiators:
- Space Optimization: 3× higher point density vs. standard 16pt modules (32 I/O in 45mm)
- Wiring Efficiency: GTB blocks reduce termination time by 60% vs. screw terminals
- Predictive Maintenance: Per-point health monitoring detects open wires (<2mA threshold)
- Diagnostic Precision: Timestamped faults (1ms resolution) for rapid root-cause analysis
- Safety Integration: Dual-watchdog timer architecture meets CAT 3 PL e
- Energy Savings: Low-power circuitry consumes 40% less quiescent current
- Lifecycle Cost: Hot-swappable GTBs enable 2min module replacement without rewiring
Advanced control features:
- Programmable Filtering: Adjustable noise rejection per channel (0.1ms-16ms)
- Event Capture: Latch registers record transient signals down to 100µs
- Intrinsic Safety: Supports NAMUR sensors without external barriers
- Status Mirroring: Auto-replicates input data to redundant chassis
- Thermal Management: Auto-derates above 60°C with diagnostic warning
- Configuration Lock: Firmware digital signature prevents unauthorized changes
- Data Tagging: Produces UDTs for channel state/fault history in Logix Designer®
| Attribute Category | Specification/Value |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Type | ControlLogix Digital Input Module |
| Model Number | 1756-IB32/A |
| Module Function | 32-Point, 24V DC Sinking/Sourcing Digital Input |
| Input Points | 32 (Individually Isolated, Grouped by 8 Commons) |
| Input Voltage Level | 24V DC Nominal (10V DC to 31.2V DC Operating Range) |
| Input Type | Sink/Source (Selectable per Group via Wiring/Common Connection) |
| Input Current (Typical) | 8 mA @ 24V DC per point (On-State) |
| On-State Voltage Range | 10V DC to 31.2V DC |
| Off-State Voltage Range | 0V DC to 5V DC |
| Input Filter | Selectable (0.2 ms, 0.5 ms, 1 ms, 2 ms, 4 ms, 8 ms, 16 ms per point via software) |
| Backplane Current | 100 mA @ 5.1V DC (Typical) |
| Isolation Voltage | 250V AC Continuous (Field to Logic, Field to Chassis) |
| Point Density | 32 points per single-slot module |
| Connection Type | Removable Terminal Block (RTB), requires 1756-TBCH or 1756-TBNH series terminal block |
| Module Width | Single Slot (Occupies one ControlLogix chassis slot) |
| Status Indicators | Per Point: Green (On), Module: Green (OK), Red (Fault) |
| Certifications | UL Listed, Class I, Division 2 Hazardous Location, ATEX Zone 2, CE Marked, c-UL-us |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Shock (Operating) | 30g (11 ms half-sine) |
| Vibration (Operating) | 5g @ 10-500 Hz |
| Compatibility | ControlLogix Chassis (1756-Ax, -Bx, -Cx, -Dx, -Ex, -Fx, -Gx series) |
| Required Adapter | 1756 ControlBus or 1756 EtherNet/IP communication adapter for network connectivity |
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