Model Interpretation

AS: Modicon Automation System

B846: Analog multiplexer module

001: Voltage input type (002 = current input)

Technical Parameters

Inputs: 16 channels, voltage, isolated per channel

Output: 1 multiplexed analog output

Voltage Range: ‑10 to +10VDC

Input Impedance: High (equivalent to B873/B875)

Response Time: 3ms

Backplane Power: 65mA @ +5V

Isolation: Channel‑to‑channel & channel‑to‑backplane isolated

Operating Temp: 0°C to +60°C

Storage Temp: ‑40°C to +85°C

Weight: ≈1.16kg (2.55lbs)

Dimensions: 50×119×125mm

Origin: France

Interface & Configuration

Backplane: Modicon 800/984 I/O bus

Terminals: Screw terminals (16 voltage inputs, common)

Indicators: Power LED

Fusing: One fuse per group

Wiring: 0.5–2.5mm² copper wires

Terminal Connector: AS‑8535‑000

Core Functions

16‑to‑1 Multiplexing: Reduces I/O bus load by time‑division multiplexing

Isolated Voltage Inputs: Each channel fully isolated, reducing noise and crosstalk

High‑Impedance Input: Minimizes loading on external sensors

Fast Response: 3ms settling time for rapid data acquisition

Applications

Systems: Modicon 800, 984, 300‑series PLCs

Industries: Material handling, packaging, textile machinery, general automation

Use Cases: Temperature transmitters, pressure sensors, potentiometers, ±10VDC analog signals

Compatibility

Racks: Modicon 800/984 8/11‑slot backplanes

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

Software: Concept, ProWORX 32, P190