Description
ICS Triplex T9481
Technical Specifications 3‑isolated‑analog‑output‑channels;‑output‑signal‑4‑20 mA‑configurable;‑channel‑to‑backplane‑isolation‑voltage‑500 VAC;‑output‑resolution‑16‑bit;‑supports‑module‑hot‑swap;‑power‑supply‑18‑32 VDC‑from‑base‑unit‑backplane;‑operating‑temperature‑‑20 °C‑~‑+60 °C;‑protection‑rating‑IP20;‑front‑panel‑LED‑indicators‑show‑channel‑status‑and‑module‑fault‑information;‑must‑cooperate‑with‑matched‑TA‑termination‑assembly.
Functional Features Each‑analog‑output‑channel‑adopts‑independent‑electrical‑isolation‑design‑to‑prevent‑single‑channel‑field‑fault‑from‑affecting‑other‑channels‑and‑system‑backplane;‑high‑precision‑digital‑to‑analog‑conversion‑circuit‑ensures‑output‑signal‑accuracy;‑built‑in‑loop‑diagnostic‑function‑detects‑output‑loop‑open‑circuit‑and‑short‑circuit‑faults;‑module‑hot‑swap‑is‑supported‑without‑modifying‑field‑wiring‑on‑matched‑TA‑termination‑assembly;‑front‑panel‑LED‑indicators‑directly‑display‑each‑channel‑running‑status‑and‑module‑fault‑alarm‑information;‑fault‑diagnostic‑information‑is‑uploaded‑to‑AADvance‑processor‑through‑backplane‑bus.
Application Scenarios AADvance‑SIS‑system‑analog‑control‑output‑loop;‑ESD‑system‑valve‑positioner‑4‑20 mA‑control‑signal‑output;‑fire‑and‑gas‑safety‑system‑analog‑actuator‑drive‑loop;‑power‑plant‑auxiliary‑equipment‑safety‑protection‑system‑analog‑output‑signal‑point‑deployment.
Performance Parameters Output‑signal‑accuracy‑±0.1 %‑full‑scale;‑signal‑settling‑time‑less‑than‑100 ms;‑loop‑fault‑diagnostic‑coverage‑greater‑than‑95 %;‑meets‑IEC 61508‑SIL 3‑safety‑integrity‑requirements‑when‑used‑with‑matched‑TA‑termination‑assembly.
Material Composition Metal‑shielded‑module‑housing,‑FR‑4‑multi‑layer‑safety‑grade‑printed‑circuit‑board,‑gold‑plated‑backplane‑connectors,‑high‑precision‑digital‑to‑analog‑conversion‑chips,‑galvanic‑isolation‑components,‑surge‑suppression‑components,‑multi‑color‑LED‑status‑indicator‑group.
Structural Characteristics Plug‑in‑module‑for‑I/O‑slot‑of‑AADvance‑T9100‑series‑base‑unit‑or‑T9300‑expansion‑base‑unit;‑front‑panel‑arranged‑with‑channel‑status‑LED‑indicators;‑rear‑side‑high‑density‑backplane‑connector‑realizes‑power‑supply‑and‑signal‑interaction‑with‑base‑unit‑backplane;‑internal‑analog‑signal‑circuit‑and‑system‑bus‑circuit‑adopt‑physical‑partition‑isolation‑layout;‑metal‑housing‑provides‑electromagnetic‑shielding‑for‑internal‑circuit.
Working Principle Module‑receives‑digital‑control‑commands‑sent‑by‑AADvance‑processor‑through‑triplicated‑backplane‑bus.‑Internal‑digital‑to‑analog‑conversion‑circuit‑converts‑digital‑quantity‑into‑4‑20 mA‑analog‑current‑signal,‑which‑is‑transmitted‑to‑field‑actuator‑through‑matched‑TA‑termination‑assembly.‑Diagnostic‑circuit‑continuously‑monitors‑output‑loop‑current‑and‑voltage‑to‑identify‑open‑circuit‑and‑short‑circuit‑fault‑conditions.‑Fault‑status‑information‑is‑uploaded‑to‑processor‑through‑backplane‑bus‑and‑drives‑front‑panel‑LED‑fault‑indicators.
Installation Requirements Insert‑module‑into‑I/O‑slot‑of‑AADvance‑compatible‑base‑unit;‑ensure‑backplane‑connector‑is‑fully‑engaged‑after‑insertion;‑module‑must‑be‑used‑together‑with‑matched‑TA‑analog‑output‑termination‑assembly;‑field‑analog‑signal‑cables‑adopt‑shielded‑cables‑with‑single‑end‑grounding;‑field‑signal‑cables‑keep‑physical‑separation‑from‑high‑power‑power‑cable‑bundles;‑complete‑corresponding‑channel‑range‑configuration‑in‑system‑configuration‑software.
Usage Notes Field‑loop‑load‑parameters‑must‑not‑exceed‑module‑rated‑load‑range;‑do‑not‑remove‑metal‑housing‑under‑power‑on‑condition;‑complete‑all‑field‑wiring‑work‑before‑power‑on‑operation;‑avoid‑condensation‑and‑corrosive‑gas‑accumulation‑inside‑cabinet;‑strictly‑follow‑official‑maintenance‑procedure‑for‑module‑hot‑swap‑operation;‑periodically‑check‑front‑panel‑LED‑indicators‑to‑confirm‑channel‑running‑status.
