Overview
Configured for 32-channel discrete signal acquisition in the Honeywell Experion Series C I/O architecture, the Honeywell CC-PDIS01 51405042-175 (CC-PDIS01 Digital Input Module) provides direct electrical processing of field digital input states. It supports normal 20 ms and fast 5 ms PV scanning, selectable field power sourcing, on-board excitation power, and optional redundancy.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CC-PDIS01 51405042-175 |
| Spare Model | 51405042-175 |
| Brand | Honeywell |
| Product Type | Digital Input Module |
| System | Honeywell Experion Series C |
| Input Channels | 32 |
| DI Power Voltage Range | 18 to 30 VDC |
| ON Sense Voltage | 13 VDC minimum |
| ON Sense Current | 3 mA minimum |
| OFF Sense Voltage | 5 VDC maximum |
| OFF Sense Current | 1.2 mA maximum |
| Normal PV Scan | 20 ms |
| Fast PV Scan | 5 ms |
| Input Processing | Scanning digital input acquisition |
| Field Power | Internal or external selection |
| Excitation Power | On-board |
| Open Wire Detection | Supported in Normal mode |
| Redundancy | Optional |
| Input Indication | Direct / Reverse |
| Diagnostics | Internal diagnostics for data integrity |
| Field Power Type | Non-incendive field power |
| Origin | USA |
| Shipment Location | Xiamen, China |
| Weight | 0.36 kg |
| Dimensions | 5.5 x 16 x 14.5 cm estimated shipping size |
| Tariff Code | 8537101190 |
Honeywell DCS Digital Input Processing
The CC-PDIS01 processes discrete field states according to defined voltage and current thresholds. It recognizes an ON state at 13 VDC minimum or 3 mA minimum and an OFF state at 5 VDC maximum or 1.2 mA maximum.
The module provides two PV scanning modes. Normal mode scans at 20 ms and supports open wire detection, while Fast mode reduces the scan interval to 5 ms. Therefore, Fast mode suits applications that require shorter input processing intervals.
Internal diagnostics monitor input data integrity. In addition, the module supports direct or reverse input indication, allowing the control application to represent the selected signal state according to the configured logic.
Honeywell process I/O architectures can also incorporate channel-level electrical separation and standard process instrumentation interfaces. However, the supplied specifications do not state a specific channel-to-channel isolation rating for this module, so no isolation voltage is assigned here.
Frequently Asked Questions (FAQ)
Q: How many digital input channels does the CC-PDIS01 provide?
A: The module provides 32 digital input channels.
Q: What are the normal and fast PV scan intervals?
A: Normal scanning uses a 20 ms PV scan, while Fast scanning uses a 5 ms PV scan.
Q: Does the module support open wire detection?
A: Yes. Open wire detection is available in Normal mode only.
Field Installation Guidelines
- Verify the CC-PDIS01 model and 51405042-175 spare number before installation.
- Confirm that the connected field supply remains within the specified 18 to 30 VDC range.
- Check field wiring polarity and terminal assignments against the applicable Honeywell system documentation.
- Separate digital input wiring from high-current power conductors where practical to reduce electrical interference.
- Route field signal cables with appropriate segregation from switching and motor circuits.
- Connect cable shields according to the plant grounding design and Honeywell installation documentation.
- Verify ON and OFF signal levels before placing the module into operational service.
- Use Normal mode when open wire detection is required.
- Use Fast mode when the application requires a 5 ms PV scan interval.
- Confirm the selected internal or external field power configuration before energizing connected field circuits.
- Check diagnostic status after installation and verify that each input changes state correctly from the field device.
- Apply redundancy only where the system architecture and control configuration explicitly support the required redundant arrangement.
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