

The 1756-OB16IS is a high-performance isolated DC output module from the Allen-Bradley ControlLogix family, engineered for demanding automation systems requiring galvanic isolation between each output channel and the backplane. This module excels in applications where electrical noise, ground loops, or voltage transients pose risks, such as in motor control centers, process valves, and discrete manufacturing lines. Its 16-point sourcing outputs deliver reliable 24V DC switching with built-in diagnostics, reducing downtime and simplifying maintenance. Each output is optically isolated, providing superior protection against cross-talk and system faults, making the 1756-OB16IS an ideal choice for critical infrastructure projects.
| Parameter | Specification |
|---|---|
| Product Type | Isolated DC Output Module |
| Series | ControlLogix |
| Number of Outputs | 16 (Sourcing) |
| Output Voltage Range | 10-30V DC (Nominal 24V DC) |
| Output Current per Point | 1.0 A (Continuous) |
| Total Module Current | 8.0 A (Maximum) |
| Isolation Type | Per-Point Optical Isolation (2500V RMS) |
| Backplane Current | 5.0V Standard Models 200 mA (Typical) |
| Power Dissipation | 6.0 W (Maximum) |
| 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) |
| Enclosure Type | Open Style (Suitable for Panel Mount) |
| Module Keying | Electronic Keying (Via Software Configuration) |
| LED Indicators | Green (Output On), Red (Fault/Short Circuit) |
| Wiring System | Removable Terminal Block (18-14 AWG) |
| Protection Features | Short-Circuit, Over-Voltage, Reverse Polarity |
| Certifications | UL, cUL, CE, ATEX (Hazardous Location) |
| Weight | Approximately 0.45 kg (1.0 lb) |
| Dimensions (H x W x D) | 140 mm x 86 mm x 105 mm (5.5 x 3.4 x 4.1 in) |

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