Model Explanation

13A: Ovation System I/O Series

0073: Function Code (8-channel low-level AI, millivolt level)

G08: Hardware Version (G Series, Version 8, Finalized Stable Version)

Basic Information

Manufacturer: Emerson Process Management

Origin: United States

Form: Standard single-slot card, supports hot swapping

Weight: Approximately 0.38 kg

Installation: Ovation I/O Backplane (Universal for 13A Series)

Certifications: CE, UL/CSA, Class I Div.2

Status: Current mainstream low-level AI spare part, commonly used for power/chemical thermocouple temperature measurement Function positioning

Collect ±20mV low-level signals, compatible with thermocouples (such as K/S type), millivolt-level sensors

8 independent differential inputs, high impedance, strong anti-common-mode interference

13-bit resolution, precise measurement of tiny voltage signals

Channel-level self-diagnosis (open circuit / over-range detection), fault reporting

Software configurable range, supports cold junction compensation (thermocouple)

Designed specifically for low-level weak signals, suitable for high-temperature / high-precision temperature measurement scenarios

Core parameters

Input points: 8 channels (differential)

Input signals: ±20mV (low level, thermocouple / millivolt sensor)

Resolution: 13 bits

Accuracy: ±0.1% full scale

Input impedance: >1MΩ (high impedance, reduces signal attenuation)

Isolation voltage: 1500VAC (channel - system)

Sampling rate: 10 times/second (per channel)

Operating temperature: 0°C ~ +60°C

Power supply: Backplane 5VDC power supply

Power consumption: approximately 3.5W

Adapting accessories

I/O backplane: Ovation 13A series backplane

Terminal unit: 1B30027G01 (8-channel low-level AI dedicated terminal base)

Field cable: Shielded twisted pair (recommended for thermocouple-specific compensation wire)

Compatible modules: Same series analog output, digital I/O cards

Typical applications

Thermal power / gas-fired power plants: Boiler furnace, superheater, reheater thermocouple temperature monitoring

Chemical / oil and gas: Reactor, cracking furnace, heating furnace high-precision temperature measurement

Metallurgy: Steel water temperature, heat treatment furnace temperature, continuous casting temperature monitoring

Paper / pharmaceutical: High-temperature process section, sterilization equipment temperature closed-loop control

Key differences (13A0073G08 vs 13A0072G01)

13A0073G08: 8-channel low-level AI (±20mV), thermocouple-specific, high impedance

13A0072G01: 8-channel standard AO (4-20mA), drives valve / frequency converter, output type