ICS Triplex T7420A Analog Input Module

The ICS Triplex T7420A captures analog field signals inside Trusted and Regent safety systems. Engineers specify this unit when precise measurement must survive single-point failures. Consequently, the module delivers triple modular redundancy across every input channel.

Physical Dimensions and Weight Data

Cabinet space often limits how technicians arrange analog hardware inside safety racks. Therefore, the ICS Triplex T7420A keeps a compact profile while preserving full channel density. It weighs roughly 1.3 kg and fits a standard 6U rack slot. Additionally, its dimensions measure 233 mm by 160 mm by 40 mm.

Interfaces and Connectivity Features

Reliable signal acquisition depends on secure terminations at every input point. The ICS Triplex T7420A provides dual redundant backplane interfaces for critical signal paths. Furthermore, front-panel LEDs let technicians verify channel and fault status instantly. Hot-swap support allows replacements without interrupting the monitored process.

Component Count and Energy Storage

Internal architecture shapes both diagnostic coverage and service life. The ICS Triplex T7420A carries more than 400 discrete components across three separate lanes. Moreover, a lithium battery retains configuration data for up to 90 days. This storage protects non-volatile memory whenever plant power drops.

Key Technical Specifications

Parameter	Specification
Module Type	Analog input (TMR)
Dimensions	233 × 160 × 40 mm
Weight	1.3 kg
Rack Size	6U
Backplane Interfaces	Dual redundant
Input Channels	8 analog inputs
Component Count	400+ discrete parts
Energy Storage	Lithium battery, 90-day retention
Hot-Swap Support	Yes
Operating Temperature	0°C to 60°C
Input Signal Range	4–20 mA / 0–10 VDC
Input Resolution	12-bit
Isolation Voltage	500 VDC
Diagnostic Coverage	Over 99%

Measurement Accuracy and Compliance

Stable analog sampling directly influences overall control loop precision. The ICS Triplex T7420A holds accuracy within ±0.1% across the full signal range. Meanwhile, isolation voltage reaches 500 VDC between field wiring and internal circuits. Diagnostic coverage exceeds 99%, which strengthens safe failure detection.

Industrial sites also demand strict safety certifications before deployment. The module complies with IEC 61508 SIL 3 functional safety requirements. In addition, it meets CE and UL standards for electromagnetic compatibility. These credentials support dependable operation in harsh plant environments.