GE HE693RTD660 6-Channel Isolated RTD Input Module

Technical Specifications

• Manufacturer: General Electric (GE)
• Model: HE693RTD660
• Series: Series 90-30 PLC
• Input Channels: 6 isolated differential inputs
• RTD Types: Pt100, Pt1000, Ni120, Cu10
• Accuracy: ±0.05°C (Pt100)
• Resolution: 16 bits
• Isolation Voltage: 2500 VAC (channel-to-system)
• Common Mode Rejection: >100 dB (50/60 Hz)
• Power Supply: 24 VDC (±10%)
• Operating Temperature: -25°C to +75°C
• Dimensions: 85 mm × 75 mm × 25 mm
• Weight: 0.28 kg

Key Features

• Enhanced Isolation: 2500 VAC isolation for extreme electrical noise environments.
• Higher Accuracy: ±0.05°C Pt100 accuracy for precision-critical applications.
• Broad RTD Compatibility: Supports Pt100/Pt1000, Ni120, Cu10 for wide sensor selection.
• Superior Noise Rejection: >100 dB CMRR eliminates 50/60 Hz interference.
• Extended Temperature Range: Operates reliably from -25°C to +75°C.

Application Scenarios

• ** Petrochemical Plants**: Reactor, distillation column, and pipeline temperature monitoring.
• Power Plants: High-temperature boiler and turbine component measurement.
• Pharmaceuticals: Cleanroom and production process precision temperature control.