SIEMENS SIMATIC S5 6ES5460-5AA21

SIEMENS SIMATIC S5 6ES5 460-5AA21 – Analog Output Module for S5-115U PLC Systems

8-Channel Analog Output Module for Precision Control

The 6ES5 460-5AA21 is a high-performance analog output module designed for SIMATIC S5-115U programmable controllers, providing:

✔ 8 isolated analog outputs
✔ Configurable voltage (0-10V) or current (0/4-20mA) outputs
✔ 12-bit resolution for precise control
✔ Galvanic isolation between channels and backplane

Technical Specifications

Electrical Parameters

• Output Types:

  • Voltage: 0 to +10V DC

  • Current: 0/4 to 20mA

• Resolution: 12-bit (4096 steps)

• Load Impedance:

  • Voltage: ≥1kΩ

  • Current: ≤500Ω

• Accuracy: ±0.3% of full scale

Mechanical Details

• Module Width: 40mm (double-width)

• Termination: Screw terminals (0.5-1.5mm²)

• LED Indicators: Channel status and errors

Performance Characteristics

• Update Rate: 10ms per channel

• Isolation: 500V AC (channel-to-channel and channel-to-backplane)

• Power Consumption: 2.5W typical

Key Features

✅ Flexible Configuration – Each channel individually configurable as voltage or current
✅ High Accuracy – Suitable for critical process control
✅ Robust Design – Industrial-grade components for harsh environments
✅ Diagnostic Capabilities – Short-circuit and open-circuit detection

Wiring Configuration

Compatibility & Integration

Supported Systems:

• S5-115U (all CPU versions)

• Requires compatible backplane (e.g., 6ES5 105-3RB31)

Addressing Example (STEP 5):

L PW 256  // Load analog value for channel 0  
T PQW 512 // Transfer to analog output module

Modern Replacement Options

⚠ Discontinued – Last order date ~2005
S7 Equivalent: 6ES7 332-5HD01-0AB0 (8AO)

Maintenance & Troubleshooting

Common Issues:

• Output Drift: Check grounding and shielding

• No Output: Verify module power and addressing

• Incorrect Values: Calibrate using reference standards

Preventive Measures:

• Annual calibration recommended

• Periodic terminal inspections

Ordering Information

• Manufacturer PN: 6ES5 460-5AA21

• Status: Discontinued

• Replacement Options:

  • Refurbished units

  • S7-300/S7-1500 migration

Safety & Compliance

• Standards: EN 61131-2, UL 508

• Protection Class: IP20 (requires enclosure)
  buy SIEMENS 6ES5 460-5AA21

• buy SIEMENS 6ES5 460-5AA21