T9451
Description
1. Overview
2. Features
8 isolated digital output channels (individually isolated)
Output rating: 24/48 VDC, 1 A continuous per channel
SIL 3 (IEC 61508) with TÜV certification
Redundancy: TMR, Dual, Simplex supported
Channel diagnostics: open/short circuit, overload, load monitoring
Reverse voltage protection, overcurrent & short‑circuit protection
Hot‑swap (online replacement)
Conformal coated for harsh environments
Dedicated FTA: T9851
Scan times:
Simplex: 1.174 ms
Dual: 2.202 ms
3. Electrical Specifications
Output
Channels: 8 (isolated)
Nominal voltage: 24 VDC
Operating range: 18–32 VDC
Max voltage (no damage): −1 V to +60 VDC
Continuous current: 1 A/channel
All channels max: 8 A @ 60 °C; 6 A @ 70 °C
Voltage drop (max): 1 VDC
Min current for line monitor: 10 mA/channel
Isolation
Channel‑to‑channel / channel‑to‑backplane: ±1.5 kVDC, 1 minute
Backplane
Supply: 18–32 VDC (redundant)
Power dissipation: 3.0 W max (10.2 BTU/h)
Backplane current: 165 mA max
4. Mechanical
Form: Single‑width 6U module (T9100 chassis)
Slots: Any slot 1–12; hot‑swap capable
Weight: ~0.34 kg (12 oz)
FTA: T9851 (field terminal assembly)
5. Environmental
Operating temperature: −40 °C to +70 °C
Storage: −40 °C to +85 °C
Humidity: 5–95 % RH, non‑condensing
6. Safety & Approvals
IEC 61508 SIL 3 (TÜV)
Approvals: CE, UL, CSA, ATEX, IECEx, TÜV
7. Front Panel LEDs
PWR (Green): Power OK
RUN (Green): Module operational
FAULT (Red): Module/channel fault
CH1–CH8: Channel status / fault indication
8. Installation & Wiring
Insert into any T9100 slot (hot‑swap supported).
Connect front T9851 FTA.
Wire field devices (solenoids/relays) to T9851 terminals.
Use shielded twisted pair for noise immunity.
Configure via AADvance Workbench (logic, diagnostics, safety parameters).
9. Ordering Information
T9451: 8‑Channel 24 VDC Isolated Digital Output Module (SIL 3)
T9851: FTA for T9451
T9100: AADvance 6U/12‑slot chassis
T9110: AADvance Safety Processor
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