The 1756-OB16IEF is a high-performance digital output module from the Allen-Bradley ControlLogix family, engineered for demanding industrial automation environments. This module provides 16 isolated sourcing outputs, each rated for 24V DC, with advanced features like electronic fusing and diagnostic feedback to minimize downtime and enhance system diagnostics. Designed for high-speed switching and reliable control of actuators, solenoids, and indicators, the 1756-OB16IEF integrates seamlessly into 1756-series chassis, supporting up to 2A per output with built-in short-circuit protection. Its rugged construction ensures long-term operation in harsh conditions, making it a trusted choice for process control, manufacturing, and discrete automation applications. Below is the detailed technical specification table for the 1756-OB16IEF module.
| Parameter |
Specification |
| Product Type |
Digital Output Module |
| Model |
1756-OB16IEF |
| Output Channels |
16 (isolated, sourcing) |
| Output Voltage |
24V DC (nominal), 18-30V DC range |
| Output Current per Channel |
2A maximum (continuous) |
| Total Output Current (per module) |
16A maximum (derated based on ambient temperature) |
| Isolation Voltage |
250V DC (channel-to-channel, channel-to-backplane) |
| Fusing |
Electronic fusing with auto-retry or latch-off mode |
| Diagnostic Feedback |
Yes (open wire, short circuit, overcurrent, and over-temperature) |
| Switching Frequency |
Up to 100 Hz (resistive load) |
| Load Type |
Resistive, inductive (with snubber), lamp loads |
| Power Dissipation |
12W typical (all outputs ON at 2A) |
| Backplane Current |
120 mA Standard Models 5.1V DC (typical) |
| 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) |
| Vibration Resistance |
2g Standard Models 10-500 Hz (per IEC 60068-2-6) |
| Shock Resistance |
30g (11 ms half-sine pulse, per IEC 60068-2-27) |
| Connector Type |
Removable terminal block (1756-TBCH or 1756-TBS6H) |
| Wiring |
18-14 AWG (0.75-2.5 mm²), copper only |
| Module Dimensions |
118 mm x 94 mm x 53 mm (4.65" x 3.70" x 2.09") |
| Weight |
Approximately 0.25 kg (0.55 lb) |
| Certifications |
CE, UL, cUL, ATEX, IECEx (for hazardous locations) |
| Compatibility |
ControlLogix 1756 chassis (e.g., 1756-A7, 1756-A10) |
| Warranty |
1-year standard (extended available) |
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