✅ General Information

• Full Name: AO523: S500, Analog Output Module, 16AO, U/I, 12bit+sign, 24VDC, 2/3‑wire

• Mounting: 35mm DIN rail

• Termination: Screw / spring terminals (TU515/TU516)

• Protection: IP20

• Dimensions (W×H×D): 67.5 × 76 × 62 mm

• Net Weight: ~0.3 kg

• Key Features: 16‑channel high density, voltage/current output, 12bit+sign resolution, 2/3‑wire connection, per‑channel LED status

✅ Function & Application

• Core Function: 16 analog outputs (AO): Voltage or current

• Product Profile: High‑density analog output module, designed for large process control systems requiring many analog control points (valves, actuators, motor drives).

• System Role: AC500 local/remote I/O expansion, mass analog control signal generation.

✅ Technical Specifications

• Channel Configuration: 16AO (U/I)

• Output Ranges (AO):

  • Voltage: ±10V, 0…+10V

  • Current: 0…20mA, 4…20mA

• Resolution: 12 bit + sign (13 bits total)

• Accuracy: ±0.1% of full scale (typical)

• Isolation: Group‑to‑group isolation, channel‑to‑ground isolation

• Status Indication: Per‑channel LED (ON/OFF)

• Power Supply: 24VDC ±10%, 4W typical

• Operating Temperature: 0…+60°C (horizontal); 0…+40°C (vertical)

✅ Compatible Accessories

• Terminal Units: TU515 (spring) / TU516 (screw)

• Expansion Cables: TK501 / TK502 (module cascading)

• Rail: Standard 35mm DIN rail

• PLC Compatibility: ABB AC500 / AC500‑eCo

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

✅ Typical Applications

• Process Industry: Chemical, oil & gas, water treatment (multiple control valves, actuator arrays)

• General Machinery: Large production lines, metalworking, paper & pulp (multi‑axis analog control)

• Building Automation: Large HVAC systems, district energy (multiple damper/valve control)