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The 8C-TDOD51 Digital Output Bussed 24VDC (DO24V) module is designed to switch reliable 24V digital output signals for controlling various process equipment, including solenoid valves and interposing relays.
Notable Features
- Extensive internal diagnostics to ensure data integrity.
- Optional redundancy for increased reliability.
- Safe-state (FAILOPT) behaviors for secure operations.
- Supports latched, pulsed, or pulse-width modulated output (per channel).
- Galvanic isolation (System to Field) with external user-supplied power.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 8C-TDOD51 – Digital Output, Field Isolated, Bussed Output |
| IOTA Model Number | 8C-TDOD51 Non-Redundant, Coated, 9” |
| Output Channels | 32 |
| Output Type | SINK |
| Load Voltage Maximum | 30 VDC |
| Load Current | 0.1 A per channel (Max) |
| Short Circuit Protection | Series FUSEs (1 fuse per 8 channels; 4 total for 32 channels) |
| Galvanic Isolation | 1000 VAC RMS for System-to-Field isolation (user-supplied field power only) |
| On-State Voltage Max | 1 VDC (with load current at 0.1A max) |
| Off-State Voltage | 24 V (typical) |
| Off-State Leak Current | 100 µA (max) |
| Turn-On/Turn-Off Time | 10 ms (max) |
| Gap (0 Current) on Switchover | None (0 ms; applies to redundancy only) |
Module Identification
- PWA Number: 51306975-175
- Revision Level: A
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