Honeywell CC-PDIS01 Digital Input Module

Technical Overview

The Honeywell CC-PDIS01 is a high-density 32-channel digital input module engineered for the Experion PKS Series C distributed control system . This unit interfaces with field devices such as limit switches, pushbuttons, proximity sensors, and relay contacts, converting discrete 24 VDC signals into digital data for the C300 controller. It supports high-resolution Sequence of Events (SOE) recording with 1 ms timestamping, making it ideal for applications requiring precise event logging and diagnostics .

Technical Specifications

Parameter	Specification
Manufacturer	Honeywell
Model Number	CC-PDIS01
Part Number	51405042-176
Input Channels	32
Input Voltage	24 VDC nominal (18-30 VDC range)
Input Impedance	4.2 kΩ
ON Sense Voltage/Current	≥13 VDC or ≥3 mA
OFF Sense Voltage/Current	≤5 VDC or ≤1.2 mA
Galvanic Isolation	1500 VAC RMS or ±1500 VDC
Isolation Technique	Optical (in IOM)
Operating Temperature	0°C to +60°C (standard)
Storage Temperature	-40°C to +85°C
Mounting	C300 I/O chassis slot

Key Features

Three Operating Modes – The module supports Normal (20 ms PV scan), SOE (1 ms resolution with 20 ms PV scan), and Low-Latency (5 ms PV scan) modes, offering flexibility for different application requirements .

High-Resolution Event Sequencing – The 1 ms SOE resolution enables precise time-stamping of input state changes, facilitating detailed event analysis and troubleshooting .

Robust Galvanic Isolation – Optical isolation provides 1500 VAC RMS protection between input channels and the control system, effectively eliminating ground loops and electrical noise .

Extensive Internal Diagnostics – Built-in diagnostic functions monitor module health and data integrity. Open-wire detection (in Normal mode) helps identify field wiring issues .

Redundancy Support – Optional redundant configuration enhances system availability for critical control applications .

Hot-Swap Capability – Users can replace the module without powering down the system, minimizing process disruption in redundant configurations .

Flexible Power Options – The module supports internal or external field power selection, simplifying installation and reducing wiring complexity .

Applications

The Honeywell CC-PDIS01 excels in oil and gas refineries, chemical processing plants, power generation facilities, and pharmaceutical manufacturing. It provides reliable digital input acquisition for motor status monitoring, valve position feedback, safety system inputs, alarm monitoring, and production counting within Experion PKS-based distributed control systems .