✅ Basic Information

Full Name: DX531: S500, Digital I/O Module, 8DI/4Rel, 230V, DI: 115–230VAC, DO-Relay: 230VAC/3A

Installation: 35mm DIN rail

Wiring: Screw / Spring terminals (compatible with TU515/TU516)

Protection: IP20

Dimensions: 76 × 76 × 62 mm

Weight: Approximately 0.151 kg

Features: High-voltage AC input, relay contact output, AC/DC universal, 2-wire wiring, LED per point

✅ Functions and Positioning

Core Function:

8 channels of 115–230VAC digital inputs (DI), for collecting high-voltage switch signals

4 channels of relay contact outputs (RO), capable of directly driving 230VAC loads

Product Positioning: High-voltage hybrid I/O, compatible with 220VAC sensors/buttons + contactors/valves, no intermediate relays required, simplifies control cabinet.

System Role: AC500 local/remote I/O expansion, integrated high-voltage signal acquisition and strong power execution drive.

✅ Core Performance Parameters

Channel Configuration: 8DI (115–230VAC) + 4DO (relay, 230VAC/3A)

Input Specifications: 115–230VAC ±10%, 50/60Hz, 10mA per point

Output Specifications: Relay normally open contacts, 230VAC/3A, 30VDC/3A, mechanical life ≥ 10⁶ times

Response Time: Input ≤ 10ms; Output ≤ 15ms (relay action)

Isolation: Channel-to-channel 1500VAC 1min, input/output group isolation

Status Indication: LED per point (ON/OFF)

Power Consumption: Typical 4.5W (24VDC supply)

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

✅ General Adaptable 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 Fields

Process Industry: Water treatment, pumping stations, HVAC (220VAC level / pressure switch + valve / fan control)

General Machinery: Large packaging machines, textile machines, injection molding machines (high-voltage buttons + contactor drive)

Building Automation: Fire protection, security, air conditioning systems (220VAC detector + actuator)

Energy Equipment: Small power stations, distribution monitoring (high-voltage switch quantity acquisition + load control)

Non-standard Equipment: Large automated production lines, test fixtures (strong signal direct control)