Model Number Explanation

AS: Modicon Automation System component

B243: Analog input module series (4-channel, voltage)

110: Standard version (0–10VDC / ±10VDC, no conformal coating)

Technical Specifications

Input Type: Analog voltage, 4 channels

Input Ranges: 0–10VDC, −10–+10VDC (field-selectable)

Resolution: 12-bit (4096 steps)

Accuracy: ±0.1% of full scale (25°C)

Input Impedance: ≥1MΩ per channel

Isolation: Channel-to-backplane 1500VAC isolation

Operating Temperature: 0°C to +60°C

Storage Temperature: −40°C to +70°C

Humidity: 5%–80% non-condensing

Altitude: Up to 1000m above sea level

Protection Class: IP20

Dimensions: 125 × 90 × 75mm (W×H×D)

Weight: ≈0.40kg

Interface & Configuration

Backplane: Modicon 984 series I/O bus connector

Input Terminals: Screw terminals (4 analog inputs + common)

Status Indicators: Module RUN/FAULT LED, channel activity LEDs

Mounting: 19-inch rack or DIN rail

Wiring: 0.5–2.5mm² shielded copper wires

Key Features

4-Channel Voltage Input: Accepts 0–10VDC or ±10VDC signals from sensors/transmitters

High Resolution & Accuracy: 12-bit precision with ±0.1% full-scale accuracy

Isolated Design: 1500VAC isolation reduces noise and ensures safety

Wide Temperature Range: Operates reliably from 0°C to +60°C

Compact & Standard Form Factor: Fits standard Modicon 984 racks

Diagnostic LEDs: Quick status and fault identification

Applications

Systems: Modicon 984 series PLC systems

Industries: Process control, manufacturing, water treatment, energy

Use Cases: Pressure, temperature, flow, level transmitter input; analog sensor monitoring

Compatibility

Racks: Modicon 984 series 8/11-slot backplanes

CPUs: AS-9370-001, AS-984B-128, PC-E984-685

Software: Concept, ProWORX 32, P190

Status

Discontinued: Obsolete, no longer manufactured

Availability: Refurbished/used units with 1–2 year warranty