Honeywell CC-PUIO31 51454220-176 Universal Process I/O Module

The Honeywell CC-PUIO31 Universal Process I/O Module is a versatile and robust module that supports various field device types with notable flexibility and advanced features. Here’s an analysis of its key features and specifications:

Key Functions

Multi-functionality:
- Each channel can be configured as:
  - Analog Input (AI)
  - Analog Output (AO)
  - Digital Input (DI)
  - Digital Output (DO)
  - Pulse Input (PI)
- Supports Sequence of Events (SOE) logging with 1ms resolution.
Protection and Diagnostics:
- Open Wire Detection (OWD)
- Electronic short circuit protection.
- Safe-state (FAILOPT) behavior configuration for outputs.
HART Communication:
- HART 7 support for both AI and AO.
- Dedicated HART modem per channel for faster performance.
High Environmental Tolerance:
- Extended operating temperature range: -40°C to +70°C.

Specifications by Function

Analog Input (AI)

Channels: Up to 32.
Input Range: 0-20 mA or 4-20 mA.
Impedance: 250 Ω.
Accuracy:
- 0.1% FS at 23.5°C.
- 0.25% FS at -40°C to +70°C.
Scan Rate: 10 ms.
Features:
- Open Wire Detection.
- Short circuit current limit: 25 mA.

Analog Output (AO)

Channels: Up to 32.
Output Range: 4-20 mA.
Accuracy:
- 0.35% FS at 25°C.
- Includes linearity.
Resolution: 12-bit.
Response Time:
- 80 ms in HART mode.
- 0.25 ms in non-HART mode.
Load: Maximum 825 Ω at 20 mA.

Digital Input (DI)

Channels: Up to 32.
Resolution: 1ms (SOE).
Open/Closed Detection:
- Open: < 2.0 mA.
- Closed: > 3.2 mA.
Open Wire Detection: Current thresholds configurable.

Digital Output (DO)

Channels: Up to 32.
Type: Solid-state source, short circuit protected.
Load Current:
- On: 1 mA to 0.5 A (per channel).
- Off: < 0.1 mA.
Voltage: 24 V typical when on.

Pulse Input (PI)

Channels: Any 4 channels.
Frequency: 0-15 kHz.
Minimum Pulse Width: 25 µs.
Duty Cycle: Configurable.

Unique Features

HART Support: Enhances diagnostics and communication for AI and AO channels.
Energy Limitation: Certified for Zone 2/Division 2 hazardous locations.
Short Circuit Protection:
- Limits current rapidly to protect the module.
- No effect on other channels during short conditions.
Failover Behavior:
- Configurable safe-state behavior for both AI and AO.

Models and Redundancy

Non-Redundant: CC-TUIO31 (9” IOTA).
Redundant: CC-TUIO41 (12” IOTA).

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