FC-SAO-0220M | Honeywell | Safe Analog Output Module | 2-Channel

Product Description

The Honeywell FC-SAO-0220M Safe Analog Output Module is engineered for precise analog control in safety-critical automation systems. It provides two galvanically isolated output channels, each supporting 0–20 mA or 4–20 mA signals. With integrated diagnostics, watchdog functionality, and independent de-energizing capability, the module ensures reliable performance and compliance with international safety standards.

Key Technical Specifications

• Manufacturer: Honeywell

• Model Number: FC-SAO-0220M

• Product Type: Safe Analog Output Module

• Output Channels: 2 channels, galvanically isolated

• Output Type: 0–20 mA or 4–20 mA (active or passive)

• Converter Resolution: 12-bit D/A and A/D per channel

• Load Requirements: Supports resistive or capacitive loads (inductive loads not supported)

• Diagnostics: Output accuracy tests, de-energization capability, cross-talk monitoring

• Secondary De-Energizing: Watchdog and processor can independently disable outputs

• Power Requirements:

• 5 VDC: 30 mA

• 24 VDC: 65 mA + 30 mA per active output

• Loop Powering: Max loop resistance 600 Ω, max output voltage 30 VDC

• External Powering: Max 40 VDC, minimum voltage drop <7.5 V

• Off Current: <0.05 mA

• WDG Input Current: 0.5 mA

• Space Requirements: 4 TE, 3 HE (equivalent to 4 HP, 3U)

• Coding: Module code holes A9, C5; chassis code large pins A9, C5

Features

• High Precision: 12-bit converters for accurate analog control.

• Safety-Oriented Design: Independent watchdog and processor de-energizing.

• Robust Diagnostics: Continuous monitoring of output accuracy and stability.

• Flexible Output Options: Supports both active and passive current loop configurations.

Application Scenarios

• Process Safety Systems: Controls actuators and analog devices in chemical plants.

• Emergency Shutdown Systems: Provides reliable analog outputs for ESD logic.

• Power Generation: Used in turbine and boiler safety systems.

• Industrial Automation: Suitable for manufacturing environments requiring precise analog control.

FAQ

Q: How many output channels does the FC-SAO-0220M provide?  A: It supports 2 galvanically isolated analog output channels.

Q: What signal ranges are supported?  A: Both 0–20 mA and 4–20 mA signals.

Q: Can the module drive inductive loads?  A: No, it supports only resistive or capacitive loads.