PTAI216

Description

• Model: PTAI216
• Manufacturer: Bachmann
• Product Type: Temperature Input Module

Voltage Inputs

• Quantity: Max. 4
• Input type: Single-ended or differential
• Input voltage: ±1 V or ±10 V
• Input impedance: > 33 kΩ
• Input filter: 170 Hz (low pass 1st order)
• Digital resolution: 14 bit
• Allowed common mode voltage: Max. ±1 V
• Error at operating temperature:
  • ±1 V: 25°C → ±0.5%
  • ±1 V: 0 to +60°C → ±0.5%
  • ±1 V: -30 to +60°C → ±0.5%
  • ±10 V: 25°C → ±0.1%
  • ±10 V: 0 to +60°C → ±0.15%
  • ±10 V: -30 to +60°C → ±0.3%
• Cross-talk attenuation: > 60 dB
• Sample time: 2.5 ms

Current Inputs

• Quantity: Max. 4
• Input current: 0 to 20 mA
• Input impedance: 243 Ω
• Digital resolution: 14 bit
• Max. input current: 35 mA (destruction limit)
• Error at operating temperature:
  • 0 to 20 mA: 25°C → ±0.2%
  • 0 to 20 mA: 0 to +60°C → ±0.2%
  • 0 to 20 mA: -30 to +60°C → ±0.3%
• Sample time: 2.5 ms

External Power Supply

• Galvanic isolation from system: 500 V
• Voltage range: 18 to 34 VDC
• Current consumption (internal): Normally 70 mA at 24 VDC

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