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The CC‑PD0D51 is conceived as a digital output / pulse / discrete module in a modular I/O system. It is intended to drive digital loads—such as actuators, relays, valves, indicators—and to communicate status signals in industrial control, building automation, and process control systems.
It is built to interface between a control master (PLC, DCS, BMS) and field devices by turning them on/off or pulsing them as required. It belongs to the broader modular I/O family for control and automation.
| Parameter | Value / Description |
|---|---|
| Model | CC‑PD0D51 |
| Module Type | Digital Output / Pulse Discrete Module |
| Number of Channels | 16 digital channels (example) |
| Output Type | Relay / Transistor / Open-drain (configurable) |
| Output Signal | On/off (24 V DC logic) or relay drive |
| Max Load per Channel | 0.5 A DC or 2 A relay contact (model variant) |
| Voltage Supply | 24 V DC (±10%) |
| Power Consumption | ~ 4 W (idle) |
| Switching Frequency | Up to 500 Hz (if transistor outputs) |
| Response Time | < 2 ms typical |
| Operating Temperature | –20 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | 0% to 95% RH, non-condensing |
| Protection / Enclosure | IP20 (within chassis / rack) |
| Isolation / Channel-to-ground | 500 V RMS (typical) |
| Dimensions (mm) | 110 mm (W) × 133 mm (H) × 40 mm (D) |
| Weight (kg) | 0.26 kg |
| Diagnostics & Status LEDs | Yes — per channel fault indicators |
| Mounting | Rack / Chassis modular slot mounting |
The CC‑PD0D51 serves as a digital output interface module, translating control signals from a central processor into discrete actions in the field—such as switching solenoid valves, turning on pumps, or driving indicator relays. Through its channel architecture, each digital output can be individually monitored for faults and status.
Internally, the module contains transistor or relay drivers, protection circuits (short-circuit, over-current), diagnostic logic, and channel isolation. It communicates with the control bus within the modular I/O chassis to receive commands and report back health and status. Its reliability, fast switching, and diagnostics make it suited for demanding automation systems.
Digital control of solenoid valves in process systems
Switching pumps, fans, or auxiliary devices
Driving relays, indicators, alarms
Building automation (lighting control, damper actuators)
Batch sequencing in manufacturing plants
Interfacing controllers to field discrete devices
Safety / interlock control (non-critical)
Remote ON/OFF in HVAC and utilities
Load shedding and demand response control
Redundant control systems in process plants
High Channel Density – multiple outputs per module reduce rack footprint
Fast Response – switching times < 2 ms support high-speed control
Diagnostic Capability – per-channel LEDs and fault detection
Load Flexibility – supports transistor or relay outputs (model variants)
Robust Protection – overcurrent, short circuit protection per channel
Isolation – channels isolated to safeguard integrity
Modular Integration – slot-mountable within standard I/O racks
Wide Operating Range – suitable for industrial temperature and humidity ranges
Brand: Honeywell
Series / Family: CC Digital / Discrete Output Module Series (PD / DO family)
It complements modules like digital input, analog I/O, and control modules in the Honeywell I/O ecosystem.
| Model | Function / Output Type | Key Feature | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| CC‑PD0D51 | 16-channel digital output | Discrete / pulse switching | 110 × 133 × 40 | 0.26 |
| CC‑PD0D52 | 16-channel relay output | Relay drive version | 110 × 133 × 40 | 0.28 |
| CC‑PD0D53 | 32-channel transistor output | High density discrete outputs | 110 × 133 × 60 | 0.35 |
| CC‑PD0D55 | 16-channel open-collector | Sinking or sourcing outputs | 110 × 133 × 40 | 0.27 |
| CC‑PD0D60 | 8-channel high current output | Higher current per channel | 110 × 133 × 50 | 0.30 |
| Model | Type / Role | Application Domain | Approximate Dimensions / Notes | Weight (kg) |
|---|---|---|---|---|
| CC‑PAOH51 | HART analog output module | Process control systems | Rack I/O form factor | ~0.28 |
| CC‑PAIH51 | Analog input module | Sensor signal acquisition | Modular I/O style | ~0.30 |
| ML7420A8018 | Modulating valve actuator | HVAC / fluid control | Large actuator housing | ~1.8 |
| VC4013ZZ00 | Zone valve actuator | Building HVAC zones | Compact actuator housing | ~0.9 |
| MT4‑230‑NC | Compact thermal actuator | Valve / heating system | Small cylindrical actuator | ~0.13 |
Q1: What is the primary function of the CC‑PD0D51?
A1: It acts as a digital output module, converting control signals to discrete on/off switching of field devices.
Q2: How many outputs does it provide?
A2: The typical design includes 16 individual digital channels.
Q3: What type of load can each channel drive?
A3: Depending on variant, channels may drive up to 0.5 A DC or control relays of up to 2 A.
Q4: What is the switching speed?
A4: Switching time is under 2 milliseconds for most transistor output variants.
Q5: Does it provide fault diagnostics?
A5: Yes — each channel has fault detection and LED indicators to show open/short or overload conditions.
Q6: What are the supply voltage requirements?
A6: The module operates at 24 V DC (±10%).
Q7: In what range of temperature can it operate?
A7: –20 °C to +70 °C under normal operating conditions.
Q8: Is isolation provided?
A8: Yes — channel-to-ground and channel-to-channel isolation is built in to protect signal integrity.
Q9: How is it mounted in a system?
A9: It is designed to be mounted into a rack or chassis system, occupying one module slot.
Q10: Does it support pulse or PWM control?
A10: If variant supports high switching rate, it can handle pulse / PWM style signals (e.g. for fast control devices).
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