HONEYWELL Expert Series-C I/O Module

HONEYWELL Expert Series-C I/O Module

In process control systems, the input/output (I/O) subsystem serves as a bridge connecting the controller and field devices, and its performance and reliability directly affect the overall quality of operation of the control system. The Expert Series C I/O module launched by Honeywell, as a complementary I/O solution for the C300 controller, provides a high-performance on-site signal access platform for the process industry with its innovative compact design, powerful functional integration, flexible redundant configuration, and excellent reliability. This article will provide a comprehensive and in-depth professional interpretation of the system architecture, module specifications, functional features, and selection and configuration of Series C I/O.

Product Overview and Technical Positioning

Series C I/O is an important component of Honeywell's Expert Process Knowledge System (PKS), used in conjunction with the C300 controller to achieve high-speed data exchange through an I/O link. This series of I/O modules adopts an innovative shape of vertical installation and inclined design, optimizing thermal management inside the cabinet and significantly improving channel density per unit area.

Core design features

Integrated design: The I/O module (IOM) is directly plugged into the input/output terminal assembly (IOTA) without the need for a separate electronic rack. IOTA integrates on-site wiring terminals, signal conditioning circuits, and on-site power distribution functions, greatly simplifying installation and maintenance.

Modular redundancy: Channel level redundancy can be achieved by inserting two IOMs on the same IOTA, without the need for external redundant controllers or additional wiring, significantly reducing the complexity of redundant configurations.

No fuse protection: All I/O circuits are equipped with built-in electronic short-circuit protection, eliminating the need for on-site fuses and reducing installation and maintenance costs.

Non flammable on-site power supply: The module provides non flammable power to on-site equipment that meets the requirements of Class I Division 2 hazardous areas, without the need for external power wiring.

Compact size: According to different functions, IOTA sizes are divided into 6 inches, 9 inches, 12 inches, and 18 inches, supporting high-density cabinet installation.

I/O module specification details

The Series C I/O product family covers various types such as analog input/output, digital input/output, temperature input, pulse input, and general-purpose I/O. The following are detailed technical specifications for each module.

1. Analog input module

1.1 CC-PAIH01/02- High level analog input with HART

Parameter specifications

Number of channels 16 (12 single ended/4 differential)

Input type voltage (0-5V, 1-5V, 0.4-2V), current (4-20mA, through a 250 Ω resistor)

Resolution 16 bits

Accuracy ± 0.075% (23.5 ± 2 ° C)/± 0.15% (0-60 ° C)

Scanning rate of 50 ms

HART support (supports multivariable instruments)

Non flammable power supply with independent current limiting protection for each channel

IOTA model non redundant: CC-TAIX01 (6 ")/CC-TAID01 (9"); Redundancy: CC-TAIX11 (12 ")/CC-TAID11 (12")

Features: Supports differential configuration of voltage input channels (13-16), which can be selected through jumper wires on IOTA. The low-end inputs of channels 13-16 can be connected to the system common terminal through jumper wires for single ended or differential operation.

1.2 CC-PAIH51- High level analog input with HART (single ended)

Parameter specifications

Number of channels 16 (all single ended)

Input type 4-20mA current (through a 200 Ω resistor)

Accuracy ± 0.075% (23.5 ± 2 ° C)/± 0.15% (0-60 ° C)

Scanning rate of 50 ms

HART support is

IOTA model non redundant: CC-TAIX51 (6 ″); Redundancy: CC-TAIX61 (12 ")

1.3 CC-PAIX01/02- High level analog input without HART

The specifications are similar to CC-PAIH01/02, but without HART communication function, suitable for traditional 4-20mA transmitter applications that do not require digital communication.

1.4 CC-PAIN01- High level analog input without HART (single ended)

Parameter specifications

Number of channels 16 (all single ended)

Input type 4-20mA current (through a 200 Ω resistor)

Accuracy ± 0.075% (23.5 ± 2 ° C)/± 0.15% (0-60 ° C)

Scanning rate of 50 ms

IOTA model non redundant: CC-TAIN01 (6 ″); Redundancy: CC-TAIN11 (12 ″)

2. Low level analog (temperature) input module

2.1 CC-PAIM01- Low level multiplexer (LLMUX)

Parameter specifications

64 channels (16 point increment)

Input type: Thermocouple (TC) or Thermistor (RTD)

Scan rate of 1 second (fixed)

Input impedance 1 M Ω (TC input)

Common mode voltage ± 250 VDC or VAC RMS

Common mode rejection ratio 120 dB min

Cold end compensation accuracy ± 1.0 ° C (0-50 ° C)/± 1.5 ° C (-20-60 ° C)

Open circuit detection ≤ 1000 Ω ensures no triggering, ≥ 1500 Ω ensures triggering

FTA models MU-TAMT04 (TC), MU-TAMT14 (TC with remote cold end) MU-TAMR04（RTD）

Size 2.5 ″ D × 4.9 ″ W × 12.1 ″ L

Supported thermocouple types: J, K, E, T, B, S, R, Japanese R-type

Supported RTD types: Pt100 (DIN), Pt100 (JIS), Ni120, Cu10, Cu50