Product Introduction

Model Explanation

• 1SAP212200R0001: ABB standard part number.

• TU515:

  • TU = Terminal Unit

  • 515 = Screw‑terminal variant for S500

• 212200: S500 platform code for screw‑type I/O bases.

• R0001: Hardware revision (initial version).

• Feature: Passive base, works with S500 I/O modules (digital/analog), not standalone.

Technical Parameters

• Supply: 24 V DC

• Connection: Screw terminals (tool‑required)

• Terminal count: 40 poles (2×20)

• Protection: IP20

• Operating temp.: 0 °C to +60 °C

• Storage temp.: -40 °C to +70 °C

• Humidity: 0–95% non‑condensing

• Weight: ~0.232 kg

• Dimensions: 67.5 mm W × 135 mm H × 28 mm D

• Mounting: Standard DIN rail

• Certifications: CE, UL, CSA, RoHS

• Compatibility: AC500 V2/V3, AC500‑eCo, AC500‑S; all S500 analog/24 VDC digital modules

Interface and Communication

• No independent communication; serves as mechanical mount + electrical hub for S500 I/O modules.

• Internal bus and 24 V DC power distribution.

• Screw terminals for field wiring; backplane connector for I/O modules.

• Connects to AC500 internal bus for PLC‑to‑field data exchange; plug‑and‑play, no config needed.

Core Functions

• Secure mounting and reliable screw‑connection for S500 analog/24 VDC digital modules.

• Screw‑terminal design: high contact stability, suitable for high‑vibration environments.

• Supports hot swap of I/O modules to reduce downtime.

• Stable 24 V DC power and signal distribution to sensors/actuators.

• Electrical isolation and EMC protection for harsh industrial environments.

Application Scenarios

• ABB AC500 PLC + S500 I/O automation systems.

• Manufacturing lines, packaging machinery, material handling (high vibration, secure wiring).

• Process automation: water treatment, HVAC, energy management.

• Analog signal acquisition (temperature, pressure, flow) and 24 VDC digital control.

• New AC500 deployments and legacy system upgrades.

Usage and Maintenance

• Mount on DIN rail in cabinet; ensure ventilation, dryness, no direct sunlight.

• Connect 24 V DC with correct polarity.

• Insert I/O module into TU515 and lock.

• Wire field devices to screw terminals: strip wire, insert, tighten screw.

• Periodically check terminal tightness, connectors, and dust; clean as needed.

• Use only compatible S500 modules; avoid over‑tightening screws.

• Troubleshoot: check power and connections first; replace base if damaged.