

The 1791ES-IB16 ALLEN-BRADLEY COMPACTBLOCK ETHERNET/IP SAFETY INPUT MODULE is a critical component for modern safety architectures. This module integrates 16 safety-rated inputs with an embedded Ethernet/IP interface, enabling direct connection to safety controllers and programmable automation controllers. Designed for distributed I/O applications, it eliminates the need for separate safety bus couplers, reducing installation costs and complexity. The module is engineered to meet stringent global safety standards, including IEC 61508 SIL 3 and ISO 13849 PL e, making it suitable for applications such as robotic cells, conveyor systems, and packaging machinery. Its rugged enclosure and industrial-grade components ensure reliable operation in temperatures from -20°C to +60°C. With built-in short-circuit protection, cross-wire detection, and status LEDs, the 1791ES-IB16 simplifies troubleshooting and enhances system transparency.
| Parameter | Specification |
|---|---|
| Product Type | Safety Input Module |
| Model | 1791ES-IB16 |
| Number of Inputs | 16 (Safety Category 3/4) |
| Input Type | Source (sourcing) or Sink (sinking) configurable |
| Communication Protocol | EtherNet/IP (CIP Safety) |
| Safety Rating | SIL 3 per IEC 61508, PL e per ISO 13849 |
| Input Voltage Range | 24 V DC (nominal), 19.2–28.8 V DC |
| Input Current (per channel) | 7 mA typical at 24 V DC |
| Response Time | ≤ 10 ms (safety input to network) |
| Power Supply | 24 V DC (module power), 0.5 A max |
| Enclosure Type | IP20 (NEMA 1) |
| Operating Temperature | -20°C to +60°C (-4°F to +140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 5% to 95% non-condensing |
| Dimensions (H x W x D) | 120 mm x 50 mm x 75 mm (4.7 in x 2.0 in x 3.0 in) |
| Weight | 0.35 kg (0.77 lb) |
| Certifications | CE, UL, CSA, TÜV, ATEX (Zone 2) |
| Connector Type | Removable terminal blocks (spring clamp or screw type) |
| Diagnostics | LED status indicators (Power, Network, Input Status, Fault) |
| Protection Features | Short-circuit, overcurrent, cross-wire detection |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22