Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
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Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Allen-Bradley 1756-IB16DK |
| Product Type | ControlLogix Digital DC Input Module |
| Series | ControlLogix |
| Number of Inputs | 16 Diagnostic Inputs |
| Input Grouping | 4 Points per Group |
| Input Voltage Category | 12/24V DC Sink |
| Operating Voltage Range | 10…30V DC |
| Nominal Input Voltage | 24V DC |
| Input Current | 2 mA @ 10V DC to 13 mA @ 30V DC |
| Off-State Voltage | 5V DC Maximum |
| Off-State Current | 1.5 mA Maximum |
| Input Impedance | 2.31 kΩ @ 30V DC |
| Input Delay (Off to On) | 340 μs nominal / 1 ms max + selectable filter |
| Input Delay (On to Off) | 740 μs nominal / 4 ms max + selectable filter |
| Selectable Filter Times | 0, 1, 2 ms (ON) / 0, 1, 9, 18 ms (OFF) |
| Cyclic Update Time | 200 μs…750 ms |
| Change of State | Software Configurable |
| Timestamp Accuracy | ±200 μs |
| Diagnostics | Wire-Off Detection, Input Fault Detection |
| Isolation Voltage | 250V Continuous |
| Reverse Polarity Protection | Yes |
| Current Draw @ 5.1V DC | 150 mA |
| Current Draw @ 24V DC | 3 mA |
| Total Backplane Power | 0.84 W |
| Power Dissipation | 5.8 W @ 60°C |
| Thermal Dissipation | 19.78 BTU/hr |
| Compatible RTB | 1756-TBCH, 1756-TBS6H |
| Conformal Coating | Yes |
| Mounting Type | Chassis Mount |
| Enclosure Type | Open Style |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5–95% Non-Condensing |
| Vibration Resistance | 2 g @ 10–500 Hz |
| Shock Resistance | 30 g Operating |
| Dimensions (H × W × D) | 145 × 35 × 140 mm |
| Weight | Approx. 0.34–0.45 kg |
| Certifications | UL, CE, ATEX, IECEx, CCC, RCM |
| Product Lifecycle | Active |
FAQ
FAQ
Q1: What is the primary function of the 1756-IB16DK module?
The 1756-IB16DK is a 16-point DC digital input module with diagnostic capabilities for ControlLogix systems. It supports field-side diagnostics such as wire-off detection and fault monitoring.
Q2: What input voltage range does the module support?
The module supports 10…30V DC input signals with a nominal operating voltage of 24V DC.
Q3: What does the “K” suffix indicate?
The “K” suffix means the module includes conformal coating for protection in harsh industrial environments.
Q4: What diagnostics are available on the module?
The module supports wire-off detection, input fault diagnostics, timestamping, change-of-state monitoring, and module health indication.
Q5: Which removable terminal blocks are compatible?
Compatible RTBs are 1756-TBCH and 1756-TBS6H.
Q6: What are the physical dimensions of the module?
The module dimensions are approximately 145 mm (H) × 35 mm (W) × 140 mm (D).
Q7: What isolation protection does the module provide?
The module provides 250V continuous isolation between inputs-to-backplane and input group-to-group.
Q8: Is the 1756-IB16DK still available?
Yes. Rockwell Automation currently lists the 1756-IB16DK as an active product.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
