ICS T9451, AADvance 8‑Channel 24/48VDC Sourcing Digital Output Module

1. Basic Information

2. Electrical Specifications

• Channel count：8 sourcing digital output channels
• Output voltage：24 VDC /48 VDC field supply
• Per‑channel rated current：0.5 A continuous；1.5 A inrush peakRockwell A…
• Pilot duty rating：16 VA per channel
• Backplane supply：18‑32 VDC；typical power consumption 2.8 W
• Diagnostics：Per‑channel open‑circuit, load‑loss detection; pulse‑test function for output channel health verification; front‑panel per‑channel LED status indicator
• Hot‑swap：Module hot‑swappable；no system trip during replacement
• Architecture：Works with AADvance TMR processor T9110 / T9110C；supports simplex, dual or TMR voting I/O group configuration

3. Environmental Conditions

• Operating temperature：0 ℃ ~ +60 ℃
• Storage temperature：‑40 ℃ ~ +85 ℃
• Humidity：5‑95 % RH, non‑condensing
• Enclosure rating：IP20 (cabinet‑mount installation only)
• Conformal coating：T9451C = full‑PCB conformal coating(G3 offshore grade) for salt‑mist / corrosive atmosphere. Firmware segregated between standard and C‑version.
• Approvals：CE, UL, ATEX, IECEx, SIL‑3 certified.
• Mechanical：166 mm × 42 mm × 118 mm；Weight 320 g

4. Main Functions

1. 8‑channel sourcing digital output control: Drive field solenoid valves, shutdown relays, alarm beacons and indicator lights for safety‑critical loops.
2. Per‑channel LED indication for channel status and fault diagnosis for fast on‑site troubleshooting.
3. Comprehensive channel diagnostics: open‑circuit / load‑loss monitoring; built‑in pulse‑test function to verify output integrity without tripping field equipment; fault events time‑stamped for SOE.
4. Hot‑swap capability: replace module online without shutting‑down safety logic.
5. Flexible I/O redundancy configuration: simplex / dual / TMR voting I/O groups configured via AADvance Workbench software.
6. Only interoperable with AADvance platform (T9110/T9110C processor), cannot work with Trusted T8000 T84xx / T88xx hardware.

Related AADvance digital I/O reference

|Part No.|Description|Remark|

|—|—|—|

|T9402|16‑Ch 24VDC Digital Input Module|DI module|

|T9451|8‑Ch 24/48VDC Sourcing Digital Output Module|Standard onshore version|

|T9451C|8‑Ch Digital Output Module, Conformal Coated|Off‑shore / high‑corrosion environment|

5. Typical Applications

1. On‑shore / offshore SIS‑ESD emergency shutdown system for solenoid valve driving.
2. Fire & Gas safety system for alarm beacon, horn and shutdown‑relay output control.
3. Petrochemical, power‑plant safety‑critical interlock output loops.

6. Important Notes

1. T9451 belongs to AADvance platform, not Trusted T8000. Incompatible with T8000 series cards and T88xx FTA terminals. Must pair with AADvance dedicated DO FTA.
2. Two variants available: T9451(standard), T9451C(conformal coated offshore version). Firmware cannot be cross‑loaded.
3. Support simplex, dual redundant or TMR voting I/O groups configured via AADvance Workbench software.
4. Hot‑swap operation permitted; install only inside certified safety cabinet, not for direct hazardous‑zone mounting.
5. Observe per‑channel current and inrush limits to avoid channel damage.