CTC 2207 Channel Analog Input Module

Technical Dossier

Product Details And Specifications

CTC 2000 Series Technical Notes

The Control Technology Corporation (CTC) 2000 Series represents a mature, widely deployed family of industrial I/O and control modules used across continuous-process industries including petrochemical refining, pulp and paper manufacturing, power generation, and water treatment infrastructure. The CTC 2207 is a channel analog input module within this architecture, designed to interface field-level analog signals (4–20 mA / 0–10 V) with the CTC supervisory control backplane. Installations of the 2000 Series remain active in facilities across North America, Europe, and Southeast Asia, where the platform's deterministic scan cycle and robust backplane communication have made it a long-term standard for legacy DCS and hybrid control architectures.

The Evolution of CTC 2000 Series Architecture

The CTC 2000 Series was introduced as a modular, rack-based control platform targeting mid-scale process automation. Early revisions (circa late 1980s–early 1990s) established the backplane bus standard that all subsequent I/O modules conform to, enabling field-level hot-swap capability within the rack chassis. The architecture separates CPU/controller modules from I/O modules via a passive backplane, allowing independent replacement of analog input, analog output, digital input, digital output, and communication adapter cards without full system shutdown.

Q: How are RFQ terms confirmed?
A: Quantity, required condition, documentation needs, destination and sourcing route are confirmed during RFQ review before quotation.

CTC 2000 Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly encountered modules within the CTC 2000 Series platform. Classification follows functional module type.

Analog Input Modules (AI)

• 2207: 8-channel analog input, 4–20 mA / 0–10 V, 12-bit resolution, standard backplane interface
• 2208: 16-channel analog input, 4–20 mA, high-density rack configuration
• 2209: 8-channel analog input with HART pass-through, 16-bit ADC
• 2210: 4-channel isolated analog input, high-voltage field signal conditioning

Analog Output Modules (AO)

• 2215: 8-channel analog output, 4–20 mA, 12-bit DAC, loop-powered
• 2216: 4-channel isolated analog output, 0–10 V / 4–20 mA selectable
• 2217: 8-channel analog output with HART capability, 16-bit DAC

Digital Input Modules (DI)

• 2220: 32-channel digital input, 24 VDC, sink/source configurable
• 2221: 16-channel digital input, 120 VAC isolated, optocoupled
• 2222: 32-channel digital input, 48 VDC, high-speed pulse capture

Digital Output Modules (DO)

• 2230: 16-channel digital output, 24 VDC, 0.5 A per channel, solid-state
• 2231: 8-channel relay output, SPDT, 2 A @ 120 VAC / 30 VDC
• 2232: 32-channel digital output, 24 VDC, transistor sink type

CPU / Controller Modules

• 2100: Main CPU module, ladder logic execution, 256 KB program memory
• 2101: Enhanced CPU module, structured text support, 1 MB program memory, Ethernet port
• 2102: Redundant CPU module, hot-standby configuration, dual backplane interface

Communication Adapter Modules

• 2300: Modbus RTU/ASCII communication adapter, RS-485, 19.2 kbps
• 2301: Profibus DP slave adapter, 12 Mbps, GSD file configurable
• 2302: DeviceNet adapter, Group 2 slave, 500 kbps

Power Supply Modules

• 2400: 24 VDC rack power supply, 10 A output, wide-range AC input (85–264 VAC)
• 2401: Redundant power supply module, load-sharing, hot-swap capable