The Honeywell FS-SDIL-1608 is a 16-channel digital input module designed for safety-critical industrial automation applications, combining loop-monitoring and earth fault detection capabilities. Built with robust isolation technology, it ensures reliable signal acquisition from switches, sensors, and encoders in hazardous environments. Supporting a wide input voltage range (24V DC/120V AC) and high input impedance (100 kΩ), the module minimizes noise interference while delivering rapid response times (<1 ms) for real-time control. Its compact 140 × 70 × 25 mm form factor and DIN rail mounting enable space-efficient installation in control panels. Certified to CE, UL, and RoHS standards, it adheres to global safety requirements, making it suitable for oil & gas, petrochemical, and power generation facilities.
Featuring integrated diagnostics, the FS-SDIL-1608 detects wiring faults, short circuits, and earth faults, streamlining maintenance and reducing downtime. Its rugged aluminum alloy housing provides IP66-rated protection against dust, moisture, and vibrations, ensuring durability in extreme conditions. The module operates reliably across -40°C to +85°C and includes EMI/RFI shielding to maintain signal integrity in electrically noisy settings. With hot-swap functionality and dual power redundancy, it supports continuous operation during module replacement. Each channel includes LED indicators for real-time status monitoring, enhancing operational transparency.
Designed for flexibility, the FS-SDIL-1608 interfaces with Honeywell’s Safety Manager and Experion PKS systems, as well as third-party controllers via Modbus RTU and Profibus DP protocols. Its modular architecture allows seamless expansion for small-scale processes or large industrial complexes. Weighing 0.25 kg, it balances lightweight design with structural durability, supporting up to 200 mA per channel for driving relays and solenoids. Backed by a 1-year warranty and Honeywell’s global technical support, it delivers long-term reliability for applications such as emergency shutdown systems, burner management, and smart infrastructure. Ideal for retrofitting legacy systems or building new automation frameworks, the module combines safety, performance, and ease of integration to optimize industrial efficiency.
| Attribute |
Description |
| Product Type |
16-Channel Loop-Monitored Digital Input Module with Earth Fault Detection |
| Brand |
Honeywell |
| Model Number |
FS-SDIL-1608 |
| Weight |
0.25 kg (0.55 lbs) (varies slightly by configuration) |
| Dimensions |
140 × 70 × 25 mm (5.51 × 2.76 × 0.98 inches) |
| Country of Origin |
USA |
| Certifications |
CE, UL, RoHS, IEC 61508 |
| Input Voltage |
24V DC/120V AC (wide operational range) |
| Power Consumption |
≤5W |
| Input Channels |
16 channels |
| Input Type |
Digital signals from switches, sensors, and encoders |
| Input Impedance |
100 kΩ |
| Response Time |
≤1 ms |
| Isolation |
Cross-channel isolation >60 dB; optical isolation for noise immunity |
| Earth Fault Detection |
Built-in monitoring for wiring faults and ground loops |
| Diagnostic Features |
Real-time status indicators, short-circuit detection, and overvoltage protection |
| Connectors |
Modular screw terminals for field wiring |
| Mounting Options |
DIN rail or panel-mount with 35 mm rail compatibility |
| Environmental Ratings |
Operating Temp: -40°C to +85°C; Storage: -20°C to +85°C; IP20 dust protection |
| EMI/RFI Protection |
Built-in shielding for signal integrity in harsh environments |
| Warranty |
1 Year |
| Applications |
Oil & gas, petrochemical, power generation, manufacturing, and smart infrastructure |
