Honeywell MC-TDOY22

Product Name: Digital Output Module (Series C Experion PKS)
Product Introduction: High-density 24 VDC digital output module providing isolated output channels to drive field actuators, with advanced diagnostics.

Category: Honeywell

Description

Technical Specifications:
- Channels: 32 outputs (typical for TDOY22).
- Output Voltage: 24 VDC nominal (15-30 VDC range).
- Isolation: Channel-to-system galvanic isolation (250 V AC rated).
- Response Time: < 5 ms.
- Diagnostics: Detects open wire, short circuit, overcurrent per channel.
Functional Features: Hot-swappable in redundant config, real-time fault reporting to C300 controller, robust noise immunity, compact form factor.
Application Scenarios: Valve actuator control, pump start/stop, beacon/alarm drive, breaker trip/close commands in petrochemical and power generation.
Performance Parameters: Operating temp -20°C to +60°C, load current per point typically 0.5 A max, surge withstand per IEEE C37.90.1.
Material/Structure: Enclosed PCB module with front-facing LEDs and connectors, DIN/rack mount, polycarbonate/metal housing.
Working Principle: Controller sends logic state to module; output driver (transistor or fused relay FTA) sinks current to field device; isolation barrier protects backplane; diagnostics monitor voltage/current signature on each output.
Installation Requirements: Insert into Series C I/O carrier; ensure 24 VDC field power wired to correct FTA; ground module properly.
Usage Notes: Do not exceed per-channel current rating; use only Honeywell specified FTA types; diagnose via Diagnostics Viewer before replacing online; ensure redundancy is configured if hot-swap is required.

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