Technical Specifications Channels:8 Supported Sensor:J, K, T, E type thermocouple Resolution:16‑bit Isolation Voltage:1500V RMS Backplane Power Consumption:160mA @5VDC Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%-95%, non‑condensing Certifications:CE, UL, cUL
Functional Features Multi‑thermocouple type compatibility, improved cold‑junction compensation precision, 16‑bit A/D conversion, group LED indication, temperature data transmission to CPU.
Application Scenarios High‑accuracy multi‑point temperature measurement, spare replacement for IC693TCM302, heat‑processing and thermal process monitoring.
Performance Parameters Improved cold‑junction compensation precision Typical measurement accuracy ±0.15% full scale Single‑channel fault will not interfere other channels Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard Series 90‑30 plug‑in rack module Front‑panel grouped LED status indicators Front‑side thermocouple signal terminal block Backplane gold‑finger bus contact Internal upgraded cold‑junction sensor and A/D circuit Mechanical locking latch
Working Principle Field thermocouple millivolt signal enters module. Upgraded cold‑junction circuit compensates reference junction temperature error. High‑precision A/D converts analog signal to digital temperature data, send to CPU over backplane bus.
Installation Requirements Install into Series 90‑30 rack slot. Complete cabinet protective ground. Use matched thermocouple compensation cable. Keep weak‑signal wiring far from high‑voltage power lines. Replace module only under rack power‑off condition, hot‑swap forbidden. Avoid local heat source beside module location.
Usage Notes Select correct compensation wire for sensor type. Reduce electromagnetic interference on signal cables. Configure sensor parameters by GE official software. Inspect LED indicators regularly. On‑site disassembly is prohibited. Keep away from corrosive gas, liquid splash and oil mist.
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