The Allen-Bradley 1756-DNB DeviceNet scanner module is a critical component for industrial automation networks requiring deterministic, real-time data exchange between ControlLogix controllers and DeviceNet field devices. This module enables efficient I/O and messaging over a single cable, supporting up to 63 nodes with automatic device configuration and comprehensive diagnostic capabilities. Engineered for harsh environments, it ensures reliable operation in temperatures from 0°C to 60°C and features a compact, hot-swappable form factor that reduces system downtime. The 1756-DNB is ideal for applications in manufacturing, process control, and material handling where seamless DeviceNet integration is paramount.
| Parameter |
Specification |
| Product Type |
DeviceNet Scanner Module |
| Series |
ControlLogix |
| Communication Interface |
DeviceNet (CAN-based) |
| Maximum Nodes Supported |
63 |
| Data Rate |
125 kbps, 250 kbps, 500 kbps (auto-negotiable) |
| Power Supply Voltage |
24V DC (via DeviceNet bus or backplane) |
| Current Consumption (max) |
800 mA Standard Models 5.1V DC (backplane); 100 mA Standard Models 24V DC (bus) |
| 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 |
| LED Indicators |
Module Status, Network Status, I/O Status, Fault |
| Configurable Scan List |
Yes (up to 63 nodes with COS/cyclic/change-of-state) |
| Web Server Support |
Yes (embedded for diagnostic and status pages) |
| Backplane Current (5.1V) |
800 mA |
| Backplane Current (24V) |
2 mA (typical) |
| Dimensions (H x W x D) |
5.65 in x 1.38 in x 4.65 in (143 mm x 35 mm x 118 mm) |
| Weight |
0.55 lb (0.25 kg) |
| Certifications |
CE, UL, CSA, ATEX (for hazardous locations) |
| Compatible Chassis |
1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17, 1756-A20 |
| Wiring Style |
Open-style connector (5-pin Phoenix-style) |
| Software Configuration |
RSLogix 5000, RSNetWorx for DeviceNet |
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