Core Technical Specifications
This digital input module captures field device status for your PLC control system. We engineered the DI1131 to deliver reliable signal acquisition in demanding industrial environments.
| Parameter | Specification |
|---|---|
| Product Type | Digital Input Module |
| Dimensions | 130 mm x 100 mm x 45 mm (W x H x D) |
| Weight | 0.35 kg |
| Supply Voltage | 24 V DC nominal (range: 19.2 V to 30 V) |
| Input Channels | 16 isolated digital inputs |
| Input Voltage | 24 V DC nominal (range: 0 to 30 V DC) |
| Input Current | 5 mA typical at 24 V DC |
| Logic 0 (Off) | 0 to 5 V DC |
| Logic 1 (On) | 15 to 30 V DC |
| Input Filter | Software-configurable (0.1 ms to 20 ms) |
| Input Impedance | 4.7 kΩ |
| Isolation | 500 V AC (channel-to-bus, channel-to-channel) |
| Diagnostics | LED indicators per channel (green when active) |
| Response Time | 0.5 ms typical (without filtering) |
| Operating Temp. | 0 °C to 60 °C |
| Mounting | DIN-rail or rack-mounted |
| Certifications | CE, UL, and CSA approved |
High-Density Signal Acquisition
The DI1131 offers 16 isolated digital inputs in a compact, space-efficient housing. Each channel accepts 24 V DC signals from pushbuttons, limit switches, and proximity sensors. The 5 mA typical current per channel keeps power consumption low across all inputs. This high-density design reduces cabinet space and minimizes installation costs.
Flexible Input Voltage Compatibility
This input module accommodates a wide voltage range from 0 to 30 V DC for versatile field connectivity. The module recognizes logic 0 from 0 to 5 V DC and logic 1 from 15 to 30 V DC. This wide threshold range tolerates signal variations from aging sensors and long cable runs. Consequently, you can use the DI1131 with diverse field devices without additional signal conditioning.
Adjustable Input Filtering
The DI1131 provides software-configurable input filters from 0.1 ms to 20 ms on every channel. These filters eliminate noise and contact bounce from switch and relay inputs. You can adjust the filter time to match the specific requirements of each connected device. This customization improves signal reliability and reduces false triggering in noisy environments.
Reliable Channel Isolation
This digital input module provides 500 V AC isolation between channels and the backplane bus. The isolation also extends between individual input channels for complete signal separation. This design prevents cross-channel interference and protects the PLC from field wiring faults. The robust isolation ensures reliable operation in high-voltage and electrically noisy industrial settings.
Comprehensive Diagnostics and Status Monitoring
The DI1131 features individual LED indicators for each input channel, showing active status at a glance. The green LEDs illuminate when the corresponding input receives a logic 1 signal. This visual feedback simplifies troubleshooting and speeds up system commissioning. The compact form factor and 0.35 kg weight simplify installation in standard DIN-rail or rack configurations.
Details
| Weight | 0.35 kg |
|---|---|
| Dimensions | 130 × 100 × 45 mm |
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