Core Configuration

Channel Quantity: 16 isolated analog input channels

Input Signals: Supports 4-20mA current / 0-5V / 0-10V voltage universal configuration

Architecture Mode: Triple-out-two TMR redundant voting

Electrical Form: Fully channel electrical isolation, with extremely strong anti-interference capability

Supplementary Accessories: Compatible with dedicated FTA field terminal board

Supports hot swapping, allowing for online replacement without downtime Electrical parameters

Module power supply: Backplane 24VDC

Sampling accuracy: 0.1% of full scale

Signal resolution: 16-bit high-precision sampling

Input impedance: Low impedance in current mode, high impedance in voltage mode

Operating temperature: -40℃ to +70℃

Equipped with automatic diagnosis for line break, short circuit, and over-range conditions

Complies with IEC61508 safety standard, and has multiple industrial explosion-proof certifications Product features

Full-channel independent isolation design effectively isolates on-site ground potential differences and strong electromagnetic interference.

One-click configuration for multiple signal types, compatible with current and voltage signals.

Triple redundancy safety computing ensures stable and reliable data acquisition, meeting the requirements of high-risk working conditions.

16-channel moderate density, balancing expansion flexibility and cabinet space utilization.

Equipped with a complete fault diagnosis function, quickly locating transmitter line faults.

Industrial wide-temperature design, suitable for various harsh on-site environments in chemical, power, and oil and gas industries. Applicable scenarios

Signal acquisition of temperature, pressure, liquid level and flow transmitters for chemical and petrochemical equipment

Various process analog quantities safety monitoring for power plant boilers and turbine systems

ESD emergency shutdown system for interlock control of process parameters exceeding limits

Connection of toxic gas and combustible gas concentration signals for F&G fire protection system

Various safety-level analog signal acquisition circuits with high precision and stability

Identification of the same series of analog modules

3700A: 32-channel high-density non-isolated 0-5V analog input

3701: 32-channel non-isolated 0-10V analog input

3703E: 16-channel fully isolated general-purpose AI module (the most commonly used in the market)

3721: Analog output AO control module