

The 1732DS-IB8XOBV4 from Allen-Bradley’s ArmorBlock Guard I/O series is a high-performance DeviceNet safety I/O module engineered for demanding industrial automation environments. This module integrates eight safety input channels and four safety output channels in a single IP67-rated enclosure, eliminating the need for additional enclosures while providing reliable safety control. Designed to meet SIL 3 (IEC 61508) and PL e (ISO 13849) requirements, the 1732DS-IB8XOBV4 supports distributed safety architectures and reduces wiring complexity through its robust DeviceNet interface. Its compact form factor and rugged construction make it a preferred choice for applications requiring high availability, such as robotic cells, conveyor systems, and packaging lines. Below is the detailed technical specification table for this module.
| Parameter | Specification |
|---|---|
| Product Type | ArmorBlock Guard I/O DeviceNet Safety I/O Module |
| Model Number | 1732DS-IB8XOBV4 |
| Input Channels | 8 safety inputs, sourcing (PNP), 24V DC |
| Output Channels | 4 safety outputs, sourcing (PNP), 24V DC, 2A per channel (max) |
| Network Interface | DeviceNet with CIP Safety protocol |
| Safety Rating | SIL 3 per IEC 61508, PL e per ISO 13849, Category 4 |
| Enclosure Rating | IP67 (NEMA 6, 6P) – dust-tight and protected against temporary immersion |
| Operating Temperature | -20°C to +60°C (-4°F to +140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Supply Voltage | 24V DC nominal (18-30V DC), reverse polarity protected |
| Current Consumption | 120 mA typical at 24V DC (module only, excluding I/O load) |
| Output Load Current | 2A per output channel (resistive load), total 8A max per module |
| Input Type | Sourcing (PNP), 3-wire sensors, 24V DC, 3 ms filter time |
| Output Type | Sourcing (PNP), short-circuit protected, 24V DC |
| Response Time | Input to output: < 20 ms (typical) per safety chain |
| Diagnostics | Dual-channel LED status indicators for power, network, I/O, and faults |
| Communication Rate | 125 kbps, 250 kbps, or 500 kbps (auto-negotiated on DeviceNet) |
| Connector Type | M12 quick-disconnect (power and I/O), 5-pin male (DeviceNet) |
| Dimensions (H x W x D) | Approx. 75 mm x 50 mm x 120 mm (2.95 in x 1.97 in x 4.72 in) |
| Weight | Approx. 0.45 kg (1.0 lb) |
| Mounting | Direct panel mount or DIN rail adapter (optional) |
| Certifications | CE, UL 508, CSA, TÜV Rheinland (functional safety), ATEX Zone 2 (pending) |
| Wiring | AC Models: N/A (DC only); DC Models: 24V DC supply via M12 |
| Standards Compliance | IEC 61131-2, EN 954-1, IEC 61508, ISO 13849 |

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