Honeywell Expert Series-C I/O Module

Basic Information

1. Positioning

Targeting engineering design, selection, and debugging personnel, covering the electrical, channel, base size, redundancy scheme, hardware function, and selection comparison table of the entire Series-C series IO module; Only for use with the accompanying C300 controller.

2. Definition of Terms

-IOM: IO electronic module, plugged into the IOTA base to complete signal acquisition/output;

-IOTA: On site terminal base, integrated wiring terminal, circuit power supply, bus link, redundant expansion, divided into * * non redundant/redundant * * two specifications.

3. Advantages of Universal Machine Core Design

1. Integrated IOM+IOTA architecture, no need for independent chassis, smaller cabinet footprint;

2. Double layer detachable on-site terminals, convenient for wiring and maintenance;

3. IOTA comes with a 24V on-site circuit power supply, eliminating the need for external distributors and jumper wires;

4. Redundancy only requires the stacking of a second IOM, without the need for additional redundant controllers/cables;

5. Tilted heat dissipation structure, high-density deployment of cabinets without heat accumulation;

6. All IO channels are equipped with built-in short-circuit protection, eliminating the need for external fuses and reducing construction and maintenance costs;

7. A standard control cabinet vertically installed to accommodate up and down incoming and outgoing cables;

8. The panel status indicator light quickly locates the fault.

4. Base size standard

Unified inch size conversion: 6in (152mm), 9in (228mm), 12in (304mm), 18in (457mm);

-Analog standard non redundant 6-in, redundant 12 in;

-Discrete standard non redundant 9in, redundant 12in;

-Universal IO non redundant 9/12 in, redundant 12/18 in.

Classification of the entire series of IO modules and basic channel capabilities

The modules are divided into 6 categories, each of which comes with a dedicated IOTA base and supports redundant/non redundant configurations:

1. Analog input AI (16 channels/block)

1. CC-PAIH01/02: Equipped with HART, supports single ended/differential 4-20mA/voltage, 16 bit ADC

2. CC-PAIH51: Simplified HART, only 4-20mA single ended current, no voltage input

3. CC-PAIX01/02: No HART, compatible with current/voltage, supports differential channels

4. CC-PAIN01: No HART, only 4-20mA single ended

5. CC-PAIM01: Multi channel temperature multiplexer (64 channel TC/RTD), external FTA terminal board

6. CC-PAIL51: Directly connected to 16 channel TC/RTD, no external FTA required

AI universal performance: 16 bit analog-to-digital conversion, 50ms scanning cycle, -6~+5V common mode voltage, 70dB power frequency common mode suppression; Intrinsic safety circuit power supply, Class1 Div2 explosion-proof rating, wire breakage detection function.

2. Analog output AO (16 channels/block)

1. CC-PAOH01: Standard HART 4-20mA output

2. CC-PAOH51: Simplified HART version

3. CC-PAOX01: No HART analog output

4. CC-PAON01: Economy type without HART output

AO universal features: single channel independent fault safety mode (hold/safe value), disconnection diagnosis, maximum 800 Ω load, 80ms stable establishment time, redundant switching maximum 10ms output gap.

3. Pulse input PI (CC-PPIX01, 8 channels)

Support flow measurement, trade handover measurement, compatible with single/dual pulse signals, up to 100kHz; Supports ISO6551 measurement fidelity standard, with fast cut-off relay output, high-precision frequency measurement from 0.5Hz ± 0.001%, supports pulse accumulation, pulse width/cycle acquisition.

4. Digital input DI (32 channels/block)

1. CC-PDIL01:24VDC ordinary DI with wire breakage detection

2. CC-PDIL51: 24VDC economical DI, no wire breakage detection

3. CC-PBIS01: SOE event sequence recording, 1ms timestamp resolution

4. CC-PDIH01: High voltage DI, supports 110VAC/125VDC/220VAC industrial switch signals

All inputs are optically isolated, with a 5ms filtering delay, distinguishing between active and passive field circuits.

5. Digital output DO (32 channels/block)

1. CC-PDOB01:24V solid state output with no fuse short circuit protection; Can be paired with relay IOTA base to achieve dry contact output (NO/NC can be switched by jumper, 3A resistive load)

2. CC-PDOD51:24V leakage type solid-state output with overcurrent protection

Support pulse width modulation, pulse, self-locking output, and single channel independent fault safety status.

6. Universal multifunctional IO PUIO (32 channels, programmable hybrid IO)

1. CC-PUIO01: Wide temperature type, channel free configuration AI/AO/DI/pulse, HART7

2. CC-PUIO31: Enhanced SOE version, supports 1ms event timing, with a maximum pulse frequency of 15kHz

Core advantage: Single module replaces multiple specialized IOs, reducing the variety of spare parts; All channels have short-circuit self-protection, support Zone2 explosion-proof, and have a minimum scanning speed of 10ms.

Detailed electrical and functional specifications for various modules

（1） Temperature acquisition module (thermocouple/thermistor)

1. CC-PAIM01 (64 channel multiplexing): up to 4 16 channel FTA expansion boards, supporting J/K/E/T/B/S/R type thermocouples, Pt100/Ni/Cu thermal resistors, 1-second full channel scanning, 120dB power frequency suppression, remote cold end compensation; The longest cable is 1000 feet.

2. CC-PAIL51 (16 channel direct procurement): No external terminal board required, independent channel isolation, supports wire breakage alarm, working temperature -40~70 ℃.

（2） Pulse input CC-PPIX01

Differential optocoupler isolation, 0~100kHz single pulse/0~10kHz double pulse; The threshold can be selected from two levels: 2.8V/8.4V; Built in 2-channel solid-state cut-off output, 1ms cut-off response, compatible with MeterSuite suite for oil and gas trade metering systems.

（3） SOE event input CC-PBIS01

32 channels of 24V DI, three scanning modes: normal 20ms, fast 5ms, SOE high-precision 1ms timestamp; Factory trip and interlock timing traceability dedicated, optical isolation withstand voltage 1500VAC.

（4） High voltage digital input CC-PDIH01

There are two types of IOTA bases, 110V and 220V, which are compatible with distribution cabinets and high-power switch feedback. The input is isolated from 1500VAC and filtered for 25ms to prevent shaking.

（5） Highlights of Universal PUIO Module

Single channel software switching between AI (4-20mA)/AO (4-20mA)/DI/pulse; The CC-PUIO31 pulse channel can reach 15kHz, and the AO response is as fast as 0.25ms; all channels are short circuited with 2 μ s current limiting protection, which will not damage the module or affect other channels.

IOTA Base Size and Redundancy Selection Comparison Table

The document provides a complete module – IOTA pairing table, with core size rules:

1. Analog AI/AO

-Non redundant: 6-inch base (CC-TAIX01/TAOX01, etc.)

-Redundancy: 12 inch base (CC-TAIX11/TAOX11)

2. 24V DI/Solid state DO

-Non redundant: 9 inches; Redundant 12 inches

3. Relay output dedicated IOTA: Unified 6-inch

4. PUIO Universal IO

-CC-PUIO01: Non redundant 12 in, redundant 18 in

-CC-PUIO31: Non redundant 9in, redundant 12in

Redundant implementation logic: The same IOTA base can accommodate two IOM of the same model, with automatic hot standby switching without the need for additional wiring.

Hardware Universal Protection and Diagnostic Mechanism

1. Short circuit protection: All analog/digital channels are equipped with electronic current limiting, without the need for external fuses. Short circuits only cause the faulty channel to shut down, while the rest operate normally;

2. Wire breakage detection OWD: AI/AO/standard DI supports circuit wire breakage diagnosis and reports channel soft faults;

3. Fault safety FAILOPT: All output channels can be configured with fault status (maintain current value/output safe current/turn off);

4. Hardware self diagnosis: continuous self check during power on/operation, including overheating, overcurrent, open circuit, and bus faults;

5. Intrinsic safety explosion-proof: AI/PUI analog circuits meet Class1 Div2 requirements and are suitable for chemical and oil and gas hazardous areas.

Environmental, Compliance, and Supporting Information

1. Working temperature: Standard module 0~60 ℃, PUIO wide temperature -40~+70 ℃;

2. Isolation and voltage resistance: Digital channels are generally isolated from 1000/1500VAC channels to resist on-site interference;

3. Supporting system: Only compatible with Honeywell Expert C300 controller, supporting FTE fault-tolerant Ethernet and IO LINK fieldbus;

4. Document Appendix Function Matrix: AI/AO/DI/DO/UIO Five Major Function Comparison Quick Check Table for Quick Selection.