Description

TIOC‑555 Turbomachinery I/O Termination Controller

Technical Specifications

• Product Model: TIOC‑555
• Brand: CCC (Compressor Controls Corporation)
• Warranty: One Year
• Input Voltage: 5 VDC & 12 VDC rack backplane supply; 24 VDC field‑loop excitation
• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: -40 °C to +85 °C
• Response Time: I/O sampling update <3 ms for anti‑surge control loops
• Protection Class: IP00 (rack‑mount open‑frame PCB assembly for cabinet‑only installation)
• Accuracy Class: ±0.15 % full‑scale for analog process‑variable acquisition
• Output Frequency: Not applicable (I/O interface board)
• Rated Current Range: 580 mA maximum backplane power draw; 22 mA max per analog output channel
• Communication Interface: Internal Vanguard rack backplane connector; rear field wiring screw terminals
• Supported Protocols: CCC proprietary Vanguard system bus; peer‑to‑peer communication paired with TMPU‑1002
• Overload Capacity: Channel‑by‑channel transient‑voltage suppression; short‑circuit field‑wiring fault isolation
• Dimensions: 184 mm × 121 mm × 28 mm

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Product Overview

The TIOC‑555 is a rack‑mounted turbomachinery I/O termination and conditioning board built for CCC Vanguard Series 3+ and Series 4 compressor‑control platforms. It serves as physical signal interface between field transmitters, solenoid hardware and system processing units such as the TMPU‑1002. The module handles mixed analog‑input, analog‑output and discrete‑I/O signals required for anti‑surge protection, compressor performance control and auxiliary turbine interlock logic. Built‑in signal filtering suppresses cabinet‑borne electrical noise to preserve measurement integrity for fast‑acting safety loops.

This hardware addresses core compressor‑control‑system challenges: consolidated high‑density signal conditioning for multiple process variables, fault containment between field wiring and control‑system electronics, and drop‑in spare‑part compatibility for legacy Vanguard racks. Embedded channel diagnostics flag open‑circuit, short‑circuit and out‑of‑range sensor conditions and forward fault status to the main controller for HMI alarm logging. Turbomachinery control engineers, oil‑gas and pipeline‑plant retrofit technicians and compressor‑system maintenance teams benefit most. It fits standard Vanguard rack slots, supports hot‑swap replacement within redundant configurations, and removes custom‑built signal‑conditioning panel work for refinery, petrochemical and natural‑gas compressor‑station deployments.

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Key Application Notes

• Works in coordination with TMPU‑1002 processing unit; cannot perform compressor‑control logic as standalone hardware
• Accepts 4‑20 mA field transmitters, discrete 24 VDC feedback contacts and drives solenoid‑valve output loops
• Conformal‑coated PCB variant is available for cabinets with high‑humidity and airborne‑contaminant exposure
• Supports simplex and redundant system architectures for critical anti‑surge safety‑instrumented‑functions
• All field connections route to rear‑panel screw terminals; no field‑wiring termination available on front‑panel side
• Fault‑diagnostic data propagates over the Vanguard system bus for remote troubleshooting via system operator workstation