Honeywell FC‑SAO‑0220M | Safe Analog Output Module Rave reviews

Overview
The Honeywell FC‑SAO‑0220M is a fail‑safe analog output module intended for safety‑critical industrial applications. It provides two isolated 0(4)‑20 mA channels with built‑in diagnostics and de‑energizing capability for high‑integrity systems.

General Information
Part Number: FC‑SAO‑0220M
Manufacturer: Honeywell International Inc.
Brand / Country of Origin: Honeywell / USA
Type: Safe Analog Output Module
Mounting: Plug‑in installation in modular safety I/O rack
Technology: Two 12‑bit D/A converters, galvanically isolated outputs, watchdog and secondary de‑energization features

Power Specifications
Supply Voltages: 5 V and 24 V DC
Power Consumption: 5 V @ ~30 mA, 24 V @ ~65 mA plus ~30 mA per active output
Output Specifications: 0‑20 mA or 4‑20 mA, each channel
Load Limits: Loop powering max 600 Ω at 30 V DC, external powering up to 40 V DC (min drop ≤ 7.5 V)
Protection: Diagnostics for output accuracy, de‑energization capability and cross‑talk prevention

Communication & Interface
Interface: Backplane connection to safety system controller
Channels: 2 independent analog outputs
Diagnostics: Monitors output value, open/short circuit detection, and secondary de‑energization function
Integration: Designed for use within safety instrumented systems requiring SIL capability

Environmental
Operating Temperature: −20 °C to +70 °C
Humidity: Up to 95% RH, non‑condensing
Installation Environment: Standard industrial control cabinet with appropriate safety enclosure

Dimensions & Weight
Dimensions: 96 × 72 × 50 mm
Weight: 0.2 kg

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