✅ Basic Information

Full Name: DC523: S500, Digital Configurable I/O Module, 24DC, 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: 24-channel software configurable for DI/DO, high-speed response, each point LED, auxiliary power terminal

✅ Functions and Positioning

Core Function:

24-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: Flexible type, configurable mixed I/O, suitable for scenarios with uncertain DI/DO points or requiring on-site flexible adjustment, one module covers multiple configuration requirements.

System Role: AC500 local / remote I/O expansion, maximizing channel utilization, reducing types of spare parts.

✅ Core Performance Parameters

Total Channels: 24 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

Auxiliary Terminals: 4×0V, 4×24VDC (facilitating common terminal wiring)

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

Isolation: Inter-group isolation 500VAC 1min

Status Indication: Each point LED (ON/OFF)

Power Consumption: Typical 3.8W

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

General Machinery: Packaging, textile, injection molding, machine tools (I/O points vary, need flexible configuration)

Logistics Equipment: Sorting machines, conveyor belts, stacker cranes (optical sensors + cylinder drive mixed control)

Process Industry: Water treatment, pump stations, HVAC (level / pressure switches + valve / fan control)

Non-standard Equipment: Customized automation, test fixtures, assembly lines (rapid adjustment of I/O ratio)

Building Automation: Fire protection, security, air conditioning (detectors + actuators flexible combination)