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The 10201/2/1 (Hardware Model 11501) is a high-reliability fail-safe digital output module designed for Honeywell Fail Safe Control (FSC) and Safety Manager systems. It provides eight independent 24 VDC solid-state sourcing outputs, engineered to drive safety-critical field...
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The 10201/2/1 (Hardware Model 11501) is a high-reliability fail-safe digital output module designed for Honeywell Fail Safe Control (FSC) and Safety Manager systems. It provides eight independent 24 VDC solid-state sourcing outputs, engineered to drive safety-critical field devices such as solenoid valves, interposing relays, and pilot lamps.
Each output channel is short-circuit proof and equipped with an integrated suppression diode for inductive load handling, eliminating the need for external protection components. A key feature of the 10201/2/1 is its comprehensive internal diagnostic architecture: the module continuously verifies its ability to de-energize individual outputs and the entire output group via independent hardware paths. It also monitors for output crosstalk and validates suppression diode integrity. These features make the module well suited for high-demand SIL safety instrumented functions (SIF) in oil & gas, refining, and chemical processing environments.
| Parameter | Description |
|---|---|
| Model Designation | 10201/2/1 |
| Hardware Model Type | 11501 |
| System Compatibility | FSC / Safety Manager |
| Module Type | Fail-Safe Digital Output (DO) |
| Number of Outputs | 8 solid-state source channels |
| Rated Load per Channel | 24 VDC, 550 mA (max. 13 W) |
| Maximum Lamp Load | 120 mA (2.9 W) |
| Dimensions (W × H × D) | 3 × 20 × 15 cm |
| Unit Weight | 0.15 kg |
Solenoid Valve Control (ESD)
Safe actuation of fuel gas shut-off valves and pneumatic actuators in emergency shutdown loops.
Inductive Load Driving
Reliable control of interposing relays without external snubbers or flyback diodes.
Status & Alarm Indication
Driving high-integrity pilot lamps, indicators, and beacons in control room and field panels.
Burner Management Systems (BMS)
Fail-safe sequencing of ignition, pilot, and fuel valves where de-energize-to-safe behavior is mandatory.
Q: Are external suppression diodes required for inductive loads?
A: No. Each output channel includes an integrated, safety-monitored suppression diode, eliminating the need for external components.
Q: How does the module respond to a short circuit?
A: Outputs are electronically short-circuit protected, preventing module damage while triggering appropriate diagnostics and alarms in the Safety Manager system.
