“Dual 8-channel” slim terminal – built for space-tight, sectional-powered SIL systems
u Quick Profile
1. Model: T9852
2. Role: 8 ch × 2 independent segments digital-output termination block
3. Edge: two field supplies can be 24 V or 48 V, fuses replaceable on-line without unwiring; 132 × 84 mm footprint saves 30 % cabinet depth versus T9851
4. Use: sectional ESD in chemical plants, dual-source isolation on offshore platforms, dual-path conveyor controls in automated warehouses – anywhere “zone redundancy” is preferred over point redundancy
u Key Data (25 °C typical)
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Item
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Value
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Channels
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8 × 2 (16 pts, dual common)
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Rated voltage
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24 Vdc (18-32 V) or 48 Vdc (36-56 V)
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Current per ch
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2 A max, electronic limit 2.5 A
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Protection
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2 A pluggable fuse/ch, reverse-polarity, short-circuit & over-temp
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Isolation
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field-system 500 Vdc; seg A-seg B 300 Vdc
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Indication
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bi-colour RED/GREEN LED per ch (ON, FAULT, open-load)
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Response time
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< 1 ms (resistive load)
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Weight
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260 g
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Dimensions
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132 × 84 × 28 mm
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Certifications
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SIL 3 / IEC 61508, ATEX nA, CE, RoHS
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u T9852 vs T9851 – spot the difference
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Dimension
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T9852
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T9851
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Channel style
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8×2 dual-common (16 pts)
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32 pts single-common
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Current/pt
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2 A
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0.5 A
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Field supply
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two segments, 24 V or 48 V
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one segment 24 V
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Fuse access
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front replaceable 2 A
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internal 1 A
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Board size
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132 × 84 mm
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210 × 98 mm
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Best fit
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zoned control, dual-source
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high-density central DO
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u Hot-selling ICS TRIPLEX models (stocked)
1. T8403C Trusted TMR Digital Input – high-integrity safety loops
2. T8461C 40-ch DO module (TMR) – pair with T9852 for “dense+zone” mix
3. T9481 8-ch Analogue Output – companion for continuous valves
4. T8311 Processor (Trusted) – 3-2-0 redundancy core
5. T9802 16-ch DI terminal (dual) – same width, clean row layout
6. T9110 Processor Base – starter backplane for new nodes
7. T9300-02 2 m expansion cable – flexible I/O positioning
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