The Allen Bradley 1756-IV32K is a 32‑point DC digital sourcing input module from the ControlLogix series.
Technical Specifications
- Model: 1756-IV32K
- Series: ControlLogix
- Type: 32-point 12–30 V DC sourcing input module
- Voltage Range: 10–30 V DC
- Channels: 32 (two groups of 16)
- Isolation: 250 V DC between input groups and from backplane
- Conformal Coating: Yes
- Backplane Current: 120 mA @ 5 V; 2 mA @ 24 V
- Input Impedance: ~8.6 kΩ @ 30 V DC
- Cyclic Update Time: 200 µs to 750 µs
- Inrush Current: 250 mA peak
- Signal Delays: ON = 350 µs nominal; OFF = 540 µs nominal
- Dimensions: 5.588 × 23.368 × 18.288 cm
- Weight: ~0.34 kg
- Operating Temperature: 0–60 °C; Storage: –40–85 °C
- Certifications: UL, CSA, CE, ATEX, IECEx, KC, MARINE, RCM
Key Features
- High-density 32-channel sourcing inputs ideal for compact I/O racks
- Conformal coating protects against moisture, dust, and corrosion
- Fast cycle times (200–750 µs) support responsive control
- LEDs provide per-channel and module diagnostic feedback
Compatible Components & Accessories
- ControlLogix chassis and 12–24 V DC power supplies
- Removable terminal blocks (1756‑TBCH or TBS6H) or 1492 interface modules
- Studio 5000 Logix Designer and PanelView Plus HMIs
Industry Applications
- Batch and process system scanning for sensors and switches
- Material handling equipment requiring large input counts
- Food, beverage, and pharmaceutical manufacturing
- Machine control in harsh environments due to conformal coating
Installation & Maintenance Notes
- Use designated RTBs for field wiring to enable hot swapping
- Maintain cycle times by avoiding adjacent power-hungry modules
- Ensure proper chassis grounding and shielded cable use for EMI protection
Request a Quote
For pricing and availability, please Contact Us or call 1‑800‑755‑2883.
Disclaimer: TCI Supply is not an authorized Allen Bradley Distributor.
Frequently Asked Questions
What voltage range does the IV32K support?
The module supports a 10–30 V DC sourcing input range.
Can I hot-swap it during maintenance?
Yes—removable terminal blocks allow replacement without rewiring field connections.