Honeywell FS-TSDO-04UNI | SIL 3 Safety Output

Honeywell FS-TSDO-04UNI Safety Output

The FS-TSDO-04UNI is a SIL 3 fail-safe digital output module. It features 4 isolated channels with 1oo2 architecture for safety systems.

Safety & Diagnostics

• SIL: 3 per IEC 61508
• Architecture: 1oo2 self-diagnostic
• Diagnostic Coverage: >99%
• Safe Failure Fraction: >90%
• Response Time: ≤50 ms

Electrical

• Channels: 4 galvanically isolated
• Isolation: 1500 Vrms
• Leakage Current: <0.5 mA
• Saturation: <2.5 V
• Capacitive Load: 1.5 µF max

Reliability

• MTBF: >100 years
• PFDavg: <1.0E-04
• HFT: 1
• Line Monitoring: Yes
• Cross-Circuit Detection: Yes

Environmental

• Operation: -40 to +70°C
• Vibration: 5 g, 10-150 Hz
• EMC: 10 V/m
• Cert: TÜV, SIL 3

Physical

• Weight: 0.38 kg
• Power: 4.2 W
• Terminals: Cage clamp, 12-24 AWG

Package

• One FS-TSDO-04UNI module
• Safety manual
• Config key
• Shipping: FedEx, UPS, DHL

Installation

• Use FS series backplane only
• Check keying before insert
• Configure output type via software
• Enable line monitoring

FAQ

What is 1oo2?
Two internal channels must agree before output changes.

On fault detection?
Outputs go to safe state automatically.

For non-safety loads?
Yes, per channel selectable.