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CJ1W-AD081-V1

Omron CJ1W-AD081-V1 Analog Input Unit 8-Channel 0-10V/4-20mA

SKU: CJ1W-AD081-V1

USD 115.00

Omron CJ1W-AD081-V1 is an 8-channel analog input unit for CJ series PLCs, accepting voltage and current inputs for process monitoring.

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Product Overview

CJ1W-AD081-V1 belongs to Omron CJ1W analog I/O family and is used when process values must be captured from field transmitters in a modular PLC architecture. Analog input modules are commonly selected for temperature, pressure, flow, and level monitoring tasks where control quality depends on stable measurement acquisition. This model is often used in machine utilities and process skids requiring structured channel scaling and diagnostics. Engineering teams should validate input range mapping, signal conditioning, channel filtering, and grounding strategy. Commissioning includes calibration checks, scaling verification, and alarm limit validation. CJ1W-AD081-V1 is generally chosen when dependable analog measurement integration is required without changing core CJ controller standards.

  • SKU: CJ1W-AD081-V1
  • Series: CJ1W
  • I/O: 8 I/O

Best-Fit Applications

  • Temperature and pressure signal acquisition
  • Flow and level transmitter integration
  • Utility skid process monitoring channels
  • Machine condition analog feedback collection
  • Retrofit expansion of analog measurement capability
  • Distributed process variable capture in CJ systems

Buying Checklist

  • Confirm transmitter signal range compatibility.
  • Validate channel scaling and engineering-unit mapping.
  • Use proper grounding/shielding to minimize noise.
  • Check alarm threshold strategy for process protection.
  • Document calibration and maintenance verification routines.

Technical Specifications

Model CJ1W-AD081-V1
Series CJ1W
Type Analog Input Unit
Input Channels 8 channels
Input Types Voltage: 0-10V, ±10V; Current: 0-20mA, 4-20mA
Resolution 1/6000 (voltage), 1/3000 (current)
Accuracy ±0.3% full scale
Conversion Time 250μs per channel
Input Impedance 1MΩ (voltage), 250Ω (current)
Isolation Channel-to-channel isolated
Connection Removable terminal block
Current Consumption 200mA at 5VDC
Operating Temperature 0 to +55°C
Mounting CJ series backplane

FAQ for CJ1W-AD081-V1

What's the difference between AD04U and AD081-V1?
AD04U: 4 channels, universal input. AD081-V1: 8 channels, voltage/current only (no thermocouple). AD081-V1 provides double channel density at lower cost per channel.
Can I mix voltage and current inputs on same unit?
Yes, each channel independently configurable via DIP switches. Set each channel for voltage or current input as needed. Configuration done before installation.
What's the conversion time for all 8 channels?
250μs per channel × 8 channels = 2ms total scan time. Fast enough for most process control applications. For faster scanning, use high-speed analog units.
Do I need external power for 4-20mA sensors?
No, AD081-V1 provides 24VDC supply for 2-wire transmitters. Connect sensor + to unit's 24V+, sensor - to input +. 3-wire sensors need external 24VDC supply.

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