✅ Basic Information

Full Name: DC522: S500, Digital Configurable I/O Module, 16DC 24VDC, DI: 24VDC, DO: 24VDC/0.5A

Installation: 35mm DIN rail

Wiring: Spring terminals (requires TU515/TU516)

Protection: IP20

Dimensions: 76 × 76 × 62 mm

Weight: Approximately 0.115 kg

Features: 16-channel software configurable for DI/DO, compact and economical, each point LED, 1/2-wire wiring

✅ Functions and Positioning

Core Function:

16-channel software can be freely configured as input (DI) or output (DO)

Input: Collect 24VDC switch quantities (sensors, buttons, contacts)

Output: Drive 24VDC actuators (electromagnets, relays, indicator lights)

Product Positioning: Economical, small and flexible I/O, suitable for scenarios with fewer points and variable DI/DO ratios, small size, low cost, flexible configuration.

System Role: AC500 local / remote I/O expansion, preferred for small devices, reducing module types.

✅ Core Performance Parameters

Total Channels: 16 points, software can be configured for DI/DO any combination

Input Specifications: 24VDC ±10%, NPN/PNP universal, 5mA / point

Output Specifications: 24VDC, 0.5A / point, transistors, short-circuit protection

Wiring Method: 1/2-wire (common terminal can be grouped)

Response Time: Input 0.1–32ms software filtering; Output ≤1ms

Isolation: Group-to-group isolation 500VAC 1min

Status Indication: Each point LED (ON/OFF)

Power Consumption: Typical 2.5W

Operating Temperature: 0–+60℃ (horizontal installation); 0–+40℃ (vertical installation)

✅ Universal Adaptor Accessories

Terminal Unit: TU515 (spring) / TU516 (screw)

Expansion Cable: TK501 / TK502 (module cascading)

Rail: Standard 35mm DIN rail

Compatible PLC: ABB AC500 / AC500-eCo

Bus Module: CI511/CI512 (EtherCAT), CI501/CI502 (Profinet)

✅ Applicable Equipment Domains

Small Automation: Micro assembly lines, inspection fixtures, small-power equipment control

General Machinery: Small packaging machines, textile machines, simple machine tools (with few I/O points and flexible configuration)

Logistics Support: Small conveyor belts, sorting units (optical sensors + cylinder drive)

Building Automation: Small HVAC, security control boxes (detectors + actuators)

Process Industry: Small pumping stations, water treatment units (switch quantity collection + valve control)