Safe Analog Output Module | 2-Channel 4-20mA FC-SAO-0220M

SAO-0220m Safe Analog Output Module

The SAO-0220m delivers reliable two-channel analog output control for safety-critical applications. This module provides galvanic isolation and comprehensive diagnostic testing for maximum system integrity.

Key Safety and Diagnostic Features

• Dual Output Channels: Two independent 0(4)-20mA analog outputs
• Galvanic Isolation: Complete isolation from 24VDC and 5VDC supplies
• SMOD Protection: Secondary means of de-energizing for each output
• Diagnostic Testing: Continuous monitoring of output values and crosstalk
• Safety Approvals: CE, TUV, UL, CSA, FM certified for global use
• Watchdog Function: Independent output deactivation capability
• Compact Design: 4 TE, 3 HE space-saving form factor
• Regular Self-Testing: Automated verification of output accuracy

Electrical Specifications

• Model Numbers: FS-SAO-0220m, FC-SAO-0220m
• Output Channels: 2 isolated analog current outputs
• Output Range: 0-20mA or 4-20mA selectable operation
• Resolution: 12-bit D/A converter for precise control
• Off-State Current: < 0.05mA when de-energized
• Power Consumption: 30mA at 5VDC, 65mA at 24VDC base
• Additional Load: +30mA at 24VDC per active output channel
• Watchdog Current: 0.5mA input for monitoring function

Performance and Environmental Ratings

• Active Operation: 600Ω maximum loop resistance
• Output Voltage: 30VDC maximum for loop powering
• Passive Operation: 40VDC maximum external supply
• Voltage Drop: ≤ 7.5V minimum for proper operation
• Load Capacitance: 100nF maximum for stable performance
• Operating Temperature: -40°C to +70°C industrial range
• Update Rate: 10ms per channel for responsive control
• Accuracy: ±0.1% of full scale at 25°C ambient

Installation and Mounting

• Mount in standard control cabinet using 4 TE space requirement
• Ensure proper clearance for ventilation and maintenance access
• Follow local electrical codes for safety system installations
• Use appropriate wire gauges for current carrying capacity
• Verify all connections before applying system power

Packaging and Shipping

• Includes one SAO-0220m safe analog output module
• Complete mounting hardware and installation manual included
• Static-protective packaging ensures component protection
• Worldwide shipping via FedEx, UPS, and DHL available
• Professional packaging guarantees secure delivery

Frequently Asked Questions

• What is the difference between active and passive operation? Active mode provides loop power while passive uses external supply
• Can this module operate in hazardous locations? Yes, it carries FM and other certifications for hazardous areas
• What is the resolution of the analog output? The 12-bit D/A converter provides high precision control
• How does the SMOD feature enhance safety? It allows independent output de-energizing beyond normal controls
• What is the maximum update rate for output changes? The module updates each channel within 10 milliseconds typically