1790D-N0C2 Analog Output Allen-Bradley

Allen-Bradley 1790D-N0C2 Analog Current Output Module Product Introduction

Key Technical Specifications

• Brand: Allen-Bradley
• Model: 1790D-N0C2
• Output Channels: 2 single-ended, non-isolated current outputs
• Output Range: 0 to 20 mA analog current signal
• Resolution: High-precision 12-bit (1/4096), 4.88 µA per bit
• Overall Accuracy: ±0.2% of full scale at 0 to 55°C
• Conversion Speed: Fast 2 milliseconds per channel
• Load Resistance: Supports up to 600 Ω maximum external load
• Field Power Supply: 21.6 to 26.4V DC (+10% of 24V DC nominal)
• Isolation: Photocoupler isolation (I/O to logic) tested at 1250V AC rms
• Connection: Standard 37-pin D-shell connector
• Indicators: Dual red/green LEDs for channel status monitoring

Frequently Asked Questions (FAQ)

• Q: What is the exact model of this analog output module?
  A: This is the Allen-Bradley 1790D-N0C2 two-channel current output module.
• Q: What analog signal does this module produce?
  A: It outputs a standard 0 to 20 mA current signal for process control.
• Q: How precise is the 1790D-N0C2 module?
  A: It offers 12-bit resolution and 0.2% full-scale accuracy for high precision.
• Q: How fast can the module update its output signals?
  A: It has a fast 2ms conversion time per channel for responsive control.
• Q: What is the maximum load I can connect?
  A: Each output channel can drive a load resistance up to 600 ohms maximum.
• Q: Can I expand this system with more I/O points?
  A: Yes, this base module supports adding up to two discrete expansion modules.

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