CDI163 Sigmatek C-DIAS 16-Channel Digital Input Module
Manufacturer: Sigmatek
Product No.: CDI163
Condition: In stock
Product Type: Digital Input Module
Product Origin: USA
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Hardware Architecture & Functional Role
The CDI163 (Part No. 12-006-163) functions as a high-density 16-channel digital input interface engineered by Sigmatek Automation for the C-DIAS distributed I/O platform. It acquires 24V DC field-level binary signals from proximity sensors, limit switches, and pushbuttons, converting them into logic-level states for deterministic PLC bus processing.
Electrical & Signal Acquisition Parameters
- Manufacturer & Platform: Sigmatek Automation — C-DIAS Series
- Part Identifiers: CDI163 / 12-006-163
- Channel Density: 16 discrete digital input channels
- Nominal Input Voltage: +24V DC (Operating Window: 18–30V DC; Absolute Max: +30V DC)
-
Logic Switching Thresholds:
- Low State ("0"): < +8V DC
- Typical Switching Point: +11V DC
- High State ("1"): > +14V DC
- Input Current Draw: 5 mA per channel at +24V DC
- Hardware Input Filter Delay: 0.5 ms typical
- Channel Diagnostics: Individual green status LEDs mapped per input channel
Bus Power & Environmental Operating Envelope
| Engineering Domain | Specification Metric | Rated Value / Compliance |
|---|---|---|
| Backplane Power | C-DIAS Bus Supply Voltage | +5V DC via backplane interface |
| Backplane Load | +5V Bus Current Consumption | 1 mA typical / 3 mA maximum |
| Thermal Rating | Operating / Storage Temperature | 0°C to +60°C (Operating) / -20°C to +85°C (Storage) |
| Atmospheric Limit | Relative Humidity | 0% to 95%, non-condensing |
| EMC Immunity | Electromagnetic Compatibility | EN 61000-6-2 (Industrial environments) |
| Mechanical Robustness | Shock Resistance | 150 m/s² per EN 60068-2-27 |
Field Engineering FAQ
Q: How does the 0.5 ms input delay on the CDI163 affect high-speed machine cycle detection?
A: The 0.5 ms hardware filter suppresses contact bounce from mechanical switches while remaining fast enough for standard rotary encoders and high-speed packaging sensors without causing missed pulses.
Q: What causes a field sensor to fail to register a High state despite outputting 12V DC?
A: Because the guaranteed High logic threshold requires > +14V DC (with a typical switching threshold at +11V DC), voltage drops across long cable runs or weak 24V power supplies will keep the channel in an undefined or Low state.
Q: How should bus power budgets be calculated when populating dense C-DIAS racks with multiple 12-006-163 modules?
A: Allocate the worst-case 3 mA draw per module against the +5V C-DIAS bus power supply capacity rather than the 1 mA typical figure to prevent backplane brownouts during simultaneous 16-channel switching.
Q: What grounding practices prevent false triggering under EN 61000-6-2 industrial noise conditions?
A: Bond the 0V reference of the external 24V DC sensor power supply directly to the control cabinet ground rail and separate sensor cables from motor drive outputs.
Q: Can the CDI163 be hot-swapped on an energized C-DIAS backplane during maintenance?
A: Always de-energize both the +5V C-DIAS bus supply and the external +24V field supply before seating or removing the module to prevent backplane pin arcing and logic corruption.

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A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
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A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
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