Basic Information

Installation: 35mm standard DIN rail

Protection level: IP20

Dimensions: 140 × 225 × 50 mm

Weight: Approximately 0.22 kg

Origin: Switzerland / France

Certifications: CE, UL, RoHS

I/O Configuration (Pure Input Type)

Digital Input: 16 channels × 24VDC

Logic 1: 15–30VDC

Logic 0: −3–+5VDC

Typical Input Current: 7mA / Point

Optical Isolation: Yes (Channels are isolated from the system)

Filtering: Hardware Input Filtering

No Outputs, No Analog Signals

Communication and Expansion

Bus: CS31 (AC31-specific)

Role: Local Expansion or Remote Slave Station

Adapter for Host: AC31 50 Series CPU (07KR51, etc.)

Expansion Capability: Can be mixed with other I/O modules, up to a maximum of 6 modules

Electrical Specifications

Power Supply: 24VDC ±10% (19.2–30VDC)

Power Consumption: Approximately 1.5W

Terminal: Screw Terminals, suitable for 14–24AWG wires Environmental parameters

Operating temperature: 0℃ to +55℃

Storage temperature: -40℃ to +75℃

Humidity: 10% - 90% without condensation

Positioning and application

High-density pure input expansion: 16DI, doubling the number of points compared to ICMK14F1 (8DI)

Suitable for: Concentrated collection of numerous buttons, limit switches, proximity switches, and photoelectric switches

Scenarios: Assembly lines, packaging, warehousing, HVAC, water treatment, expansion of points in the old AC31 system