The ICS TRIPLEX T8310C, also cataloged as the T8310C Expander Power Supply Module, operates as a dedicated hardware component for regulated power distribution within Trusted TMR safety systems. The unit accepts dual independent AC inputs to execute uninterrupted power conversion and delivery for downstream controllers and I/O sub-assemblies.
| Parameter | Specification |
|---|---|
| Model | T8480C / T8310C |
| Brand | ICS TRIPLEX (Rockwell Automation) |
| Origin | United States |
| Weight | 2.0 kg |
| Dimensions | 3 cm x 30.2 cm x 26.5 cm |
| Operating Temp | -20 deg C to +50 deg C (natural convection), -20 deg C to +70 deg C (forced air) |
| Power Consumption | Not specified (Output Power: 250 W per module) |
| 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 |
| Power Hold-up Time | Greater than or equal to 20 ms |
| Isolation / Protection | Overload, short-circuit, and thermal safeguards |
| Storage Temp | -40 deg C to +85 deg C |
| Humidity | 0-95% RH, non-condensing |
The ICS TRIPLEX T8310C utilizes an internal architecture configured for triple modular redundancy (TMR) systems requiring strict SIL3 certification constraints. The hardware architecture incorporates isolated dual AC input paths feeding an internal power conversion matrix to ensure continuous execution of safety functions even during a complete single-feed power loss. To safeguard the deterministic backplane network from electrical abnormalities, the module employs integrated galvanic isolation alongside dedicated overload and short-circuit protection circuits. These safety features isolate voltage anomalies on the secondary field distribution rails, ensuring that localized field wiring faults do not cause fail-safe state execution or damage within the parallel processor bus segments.
Q: Does the T8310C support online power module exchange without interrupting system runtime?
A: Yes. The module features an active hot-swappable mechanical and electrical interface that permits live card extraction and insertion inside a redundant rack configuration without dropping the output voltage or inducing transients on the 24 VDC backplane bus.
Q: How does the cooling method affect the thermal envelope of the module?
A: Under natural convection, the module operates within a range of -20 deg C to +50 deg C. Implementing forced air cooling at a rate greater than 20 lfm/min extends the upper operating temperature limit to +70 deg C.
Q: What protection prevents internal component damage from input power surges?
A: The hardware incorporates an internal 6 A, 250 V, 3AG slow-blow fusing structure on the input lines, combined with front-end suppression components designed to manage peak inrush current and voltage spikes.
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