ICS Triplex T7481 Regent+Plus Monitored Guarded Output Module
$123.00
$320.00
Description
Configured for high-integrity load execution in Regent+Plus Safetybus platforms, the ICS Triplex T7481 (T7481 Monitored Guarded Output Module) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
| Base Model | Suffix / Configuration | Module Architecture | Output Voltage | Channel Count |
|---|---|---|---|---|
| T7481 | Standard Assembly | Dual-Redundant Guarded | 24 VDC | 16 Channels (2 groups of 8) |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | T7481 |
| Brand | ICS Triplex |
| Origin | United Kingdom |
| Weight | 1.8 kg |
| Dimensions | 30.5 cm x 4.2 cm x 28.0 cm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 15 W (logic side) |
| Output Rating | 24 VDC solid-state, 2 A continuous per channel (0 to 40 deg C) |
| Voltage Range | 18 to 36 VDC |
| Isolation | 2500 V between field and logic circuits |
| Minimum Load | 20 mA (5 mA typical) |
| On-State Voltage Drop | <= 1.0 V |
| Surge Current Limit | 3.5 A peak, 7 A for 20 ms |
| Leakage Current | <= 5 mA (single fault), <= 7.5 mA (dual fault) |
| Protection | 3 A fast-acting front-mounted fuse per channel |
Triple Modular Redundancy (TMR) & SIL3 Execution
The unit integrates directly with a triplicated Safetybus backplane interface to achieve strict fault isolation and high availability. Designed for SIL3 and TÜV Risk Class 5 critical loops, the hardware features a dual-redundant guarded output circuit topology. This design guarantees that no single component failure or spurious control signal can inadvertently energize an attached field load, such as a emergency shutdown valve or turbine trip solenoid. The module continuously executes automatic line monitoring, measuring field wiring conditions for open-circuit and short-circuit faults while maintaining channel-to-channel galvanic isolation up to 2500 V.
Frequently Asked Questions
Q: Can the T7481 module be hot-swapped during active system operation without tripping the process?
A: Yes. The module features complete hot-replace capability. It can be removed and inserted into an active Regent+Plus chassis without disrupting power to adjacent modules or triggering a system-level fail-safe shutdown.
Q: How does the internal line monitoring respond to a blown channel fuse?
A: Each output channel incorporates a front-mounted 3 A fast-acting fuse. If a fuse opens or a field load drops below 20 mA, the internal diagnostic circuit immediately flags a fault condition, illuminates the corresponding front panel LED indicator, and transmits the diagnostic status over the Safetybus.
Field Installation Guidelines
- Chassis Mounting: Seat the module firmly into the designated slot of the Regent+Plus chassis, ensuring top and bottom retaining screws are fully torqued to maintain ground continuity across the backplane.
- Wiring & Shielding: Connect all 24 VDC field wiring to the appropriate field termination assembly. Maintain strict separation between field output lines and high-voltage AC cables. Ground all cable shields at a single point on the chassis earth bus.
- Fuse Inspection: Verify that each of the 16 front-accessible 3 A fast-acting fuses is intact prior to energizing the load power supply.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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