T9802
Description

T9802
16‑Channel Digital Input Termination Assembly (TA)
AADvance T9000 SIS – SIL 3
1. Overview
2. Key Features
16 digital input channels, dual‑isolated (per channel)
Directly mates with T9401 / T9402 DI modules
Channel‑to‑channel & field‑to‑backplane isolation
Per‑channel replaceable fuse protection (hot‑swap, no module removal)
Input voltage: 18–32 VDC (nominal 24 VDC)
SIL 3 capable (IEC 61508, TÜV certified)
Dual / TMR / Simplex system redundancy supported
Field fault detection: open circuit, short circuit, overvoltage
LED status per channel (front‑panel visible)
Conformal coated for harsh environments
Mounts to T9300 I/O base or T9100 chassis
Hot‑swap compatible (online replacement)
3. Electrical Specifications
Input
Channels: 16, dual‑isolated, per‑channel isolated
Voltage range: 18–32 VDC (24 VDC nominal)
Logic threshold:
Logic 1 (ON): ≥ 18 VDC
Logic 0 (OFF): ≤ 5 VDC
Input current: ~6.5 mA per channel @ 24 VDC
Fuse: 500 mA, per channel, hot‑swappable
Isolation
Field‑to‑backplane: ±1.5 kVDC, 1 minute
Channel‑to‑channel: Isolated (no common ground)
Backplane / Interface
Supply: 18–32 VDC (redundant)
Max current: 300 mA
Power dissipation: ≤ 4.5 W (15.4 BTU/h)
4. Mechanical
Form: Single‑width 6U TA (fits T9100/T9300)
Weight: ~0.36 kg (12.7 oz)
Terminals: Screw terminals (field wiring)
Fuse access: Front‑panel, per‑channel
Mounting: T9300 I/O base or T9100 chassis
5. Environmental
Operating temperature: −40 °C to +70 °C
Storage: −40 °C to +85 °C
Humidity: 5–95 % RH, non‑condensing
Pollution degree: PD2
Protection: Conformal coated
6. Safety & Approvals
IEC 61508 SIL 3 (system‑level, TÜV certified)
Approvals: CE, UL, CSA, ATEX, IECEx, TÜV, CCC
7. Compatibility & Ordering
Compatible Modules
T9401: 16‑Ch Digital Input (Simplex)
T9402: 16‑Ch Digital Input (Dual/TMR)
Ordering Information
T9802: 16‑Ch Digital Input TA, Dual, Isolated
T9300: 3‑Way I/O Base Unit
T9401 / T9402: Digital Input Modules
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