Overview
The GE HE693ADC409 is a high-resolution millivolt input module for GE Series 90-30 PLC systems. It accepts low-level signals (±25 mV, ±50 mV, or ±100 mV) and converts them to digital values for control logic processing. It is ideal for connecting load cells, strain gauges, or other mV-range sensors directly without external signal conversion.
General Information
Brand: GE (General Electric)
Country of Origin: United States
Model Number: HE693ADC409
Series: Series 90-30 I/O Modules
Product Type: Millivolt Input Module (4 Channels)
Application: Industrial automation, process control, and direct connection of low-level analog signals
Power Specifications
Supply Voltage: 5 V DC, approx. 100 mA
Input Ranges: ±25 mV, ±50 mV, ±100 mV (selectable)
Input Impedance: >20 MΩ
Accuracy: ±0.05% of full scale
Communication & Interface
Channels: 4 independent millivolt input channels
Update Rate: Approx. 35 channels per second
Terminal Connection: Removable 20-pin terminal strip for field wiring
Environmental
Operating Temperature: 0 °C to +60 °C
Humidity: Up to 95% RH, non-condensing
Dimensions & Weight
Dimensions (L × W × H): Approx. 120 × 30 × 110 mm
Weight: Approx. 0.27 kg
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