The ICS TRIPLEX T8300 serves as the primary T8300 Dual AC Input Power Supply Module utilized to execute regulated DC distribution across Trusted TMR safety systems platforms. The hardware accepts fluctuating source voltages to drive downstream controllers and integrated I/O modules via stable, protection-monitored backplane rails.
| Parameter | Specification |
|---|---|
| Model | T8300 |
| Brand | ICS TRIPLEX (Rockwell Automation) |
| Origin | United States |
| Weight | 2.0 kg |
| Dimensions | Not specified by manufacturer |
| Operating Temp | -20 deg C to +50 deg C (natural convection), -20 deg C to +70 deg C (forced air) |
| Power Consumption | ~70% Efficiency at 250 W output capability |
| Input Voltage Range | 85-264 VAC |
| Frequency Range | 47-63 Hz |
| Inrush Current | 20/40 A peak (cold), 35/65 A peak (hot) |
| Power Factor | greater than or equal to 0.95 |
| Output Voltage | +24 VDC regulated |
| Output Power | 250 W per module |
| Power Hold-up Time | greater than or equal to 20 ms |
| Internal Fusing | 6 A, 250 V, 3AG slow blow |
| Storage Temperature | -40 deg C to +85 deg C |
| Humidity Performance | 0-95% RH, non-condensing |
| Mounting Type | Rack-mounted module layout |
| Protection Features | Overload, short-circuit, and thermal safeguards |
| System Certifications | IEC 61508 SIL 3, CE, UL, ATEX, IECEx |
The ICS TRIPLEX T8300 architecture interfaces natively with safety-instrumented configurations executing triple modular redundancy (TMR) 2oo3 architecture logic paths. Internal design parameters enforce high galvanic isolation limits between the raw AC field input distribution and the sensitive internal logic rails, keeping upstream source cross-talk or voltage surges from damaging active processor elements. The power management logic provides full compatibility with redundant dual AC input configurations, where parallel power lines feed active paths concurrently. If an internal component degrades or a line segment drops, internal monitoring subsystems initiate a predictable fail-safe state execution, transferring loaded burdens smoothly between redundant modules to protect operational loops without compromising SIL 3 certification benchmarks.
Q: How does the hot-swap function preserve backplane stability during an on-line module replacement?
A: The internal interface circuitry isolates electrical switching arcs when pulling or inserting the unit, preventing voltage fluctuations on the shared backplane so adjacent controllers run without disturbance.
Q: What specific protection behaviors trigger during an output short-circuit event?
A: The module deploys active internal diagnostic circuits that sense over-current thresholds instantly, suppressing the output power delivery natively to prevent thermal runaway before resetting when the fault clears.
Q: How long can the module maintain a stable 24 VDC output if total incoming AC power is lost?
A: The internal storage capacitive layout yields a hold-up time greater than or equal to 20 ms under nominal loading conditions, allowing the system to bridge minor line switches or dropouts.
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