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Certification
P+F HiC2025 | 1-CH Isolated Barrier for 2-Wire SMART Transmitter, 4-20mA/1-5V Out, SIL 2
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Product Details:
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Detailed Product Description
| Power Supply: | 1 | Ambient Temperature: | - |
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| Electrical Rating: | G | Certifications: | S |
| Highlight: | P+F HiC2025 isolated barrier,2-wire SMART transmitter barrier,SIL 2 safety barrier |
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P+F HiC2025 | 1-CH Isolated Barrier for 2-Wire SMART Transmitter, 4-20mA/1-5V Out, SIL 2
P+F HiC2025 H-System SMART transmitter power supply — 1-channel isolated barrier, 24V DC bus powered, input for 2-wire 4-20mA SMART transmitters, output 4-20mA source/sink or 1-5V, SIL 2 (SC 3), Ex ia IIC. Mounts on HiC termination board.
Product Overview
The P+F HiC2025 is a 1-channel isolated barrier / SMART transmitter power supply belonging to the H-System family, designed for intrinsic safety applications in hazardous areas. It supplies power to 2-wire SMART transmitters and current sources located in Zone 0/1/2 and transfers the 4…20 mA analog signal to the non-hazardous control room as an isolated 4…20 mA current source/sink or 1…5 V voltage output. The module is 24 V DC bus powered through the HiC termination board, eliminating the need for a separate auxiliary power supply. Output mode is selectable via DIP switches (current source 4…20 mA / voltage source 1…5 V / current sink 4…20 mA). It supports bidirectional SMART communication (HART) through the isolation barrier. The device achieves SIL 2 (Systematic Capability SC 3) per IEC/EN 61508 and carries ATEX / IECEx Ex ia IIC certification for Zone 0/1/2, Zone 20/21/22, and M1 applications.
Technical Specifications (Electrical & Signal)
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Parameter
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Specification
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Model
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HiC2025 (P+F H-System SMART Transmitter Power Supply)
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Signal Type
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Analog Input — 2-wire SMART transmitter / current source
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Supply Voltage (Ur)
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19 … 30 V DC — bus powered via Termination Board (SL1)
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Rated Current (Ir)
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≤ 45 mA @ 24 V, 20 mA source mode output
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Power Dissipation / Consumption
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≤ 800 mW / ≤ 1.1 W
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Input Signal
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4 … 20 mA (limited to approx. 26 mA)
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Input Voltage Drop
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≈ 5 V (on SL2: 5a(+), 1b(-))
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Available Voltage at Field Side
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≥ 15 V @ 20 mA, ≥ 18 V @ 4 mA
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Output Signal
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Source mode: 4…20 mA or 1…5 V (internal shunt 250 Ω, 0.1 %)
Sink mode: 4…20 mA, operating voltage 10…30 V |
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Output Load (Source Mode)
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0 … 350 Ω
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Transfer Deviation @ 20°C
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< 0.1 % FS (4…20 mA), ≤ ± 0.2 % FS (1…5 V)
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Frequency Response
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0 … 3 kHz (-3 dB) — bidirectional (field↔control)
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Rise / Fall Time
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≤ 10 ms
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Safety Integrity Level
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SIL 2, Systematic Capability SC 3 per IEC/EN 61508
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Technical Specifications (Mechanical, Isolation & Certification)
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Parameter
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Specification
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Galvanic Isolation
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Input/Output: safe electrical isolation per IEC/EN 60079-11, peak voltage 375 V
Input/Supply: safe electrical isolation, peak voltage 375 V Output/Supply: basic insulation per IEC/EN 61010-1, 60 V eff rated |
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Hazardous Area Marking (Input)
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[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I — allows transmitters in Zone 0/1/2, 20/21/22, M1
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Maximum Safe Voltage (Um)
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250 V AC (non-energized, safety parameter only)
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Ex ia Parameters (SL2: 5a+/5b-)
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Uo = 25.2 V, Io = 100 mA, Po = 630 mW, Ci = 5.7 nF, Li ≈ 0
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Ex ia Parameters (SL2: 5a+/1b-)
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Uo = 7.2 V, Io = 100 mA, Po = 25 mW, Ci = 5.7 nF, Li ≈ 0
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Non-Hazardous Side Marking
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II 3G Ex ec IIC T4 Gc
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Configuration
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Via DIP Switches (S1–S4) on front panel — output mode select
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Indicator
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1 × green LED (power supply status)
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Mounting
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On HiC Termination Board (coding pins 1 and 3 trimmed for polarization)
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Dimensions (W × H × D)
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12.5 × 106 × 128 mm
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Weight
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≈ 100 g
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Degree of Protection
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IP20
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Ambient Temperature
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-40 … +70 °C
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Approvals
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ATEX (CESI 19 ATEX 027 X), IECEx (IECEx CES 06.0002X), cFMus FM, cULus (E106378), CCC
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EMC Compliance
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EN 61326-1:2013, NE 21:2017, EN 61326-3-2:2018
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Key Features
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SMART / HART Pass-Through: Bidirectional communication (0…3 kHz bandwidth) allows HART handheld or asset management system to communicate with the field transmitter through the barrier without additional coupling — full SMART diagnostics preserved.
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Selectable Output Mode (DIP Switch): Configure as 4…20 mA current source (default), 1…5 V voltage source, or 4…20 mA current sink — adapts to DCS/PLC analog input card requirements without hardware change.
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Bus-Powered via Termination Board: No separate 24 V DC wiring to each module — power and signal routed through the common HiC termination board, simplifying panel layout and reducing wiring.
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Up to SIL 2 / SC 3 Capable: Suitable for safety-relevant analog loops (e.g., SIL-rated pressure/temperature trip) when integrated with appropriate logic solver.
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Zone 0 Capable Input: Ex ia Ga IIC certification permits connection to intrinsically safe transmitters installed in the most hazardous (Zone 0) locations.
Typical Applications
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Oil & Gas / Petrochemical: Powering and isolating 2-wire 4…20 mA SMART pressure, temperature, level, and flow transmitters in Zone 1/2 process areas — signal transferred to DCS/SIS in the safe area.
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Chemical & Pharmaceutical Plants: Hazardous-area transmitter loops requiring HART asset management through the barrier — enables predictive maintenance without compromising intrinsic safety.
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SIL 2 Safety Loops: Analog input conditioning for Safety Instrumented Functions (e.g., high-pressure trip) where SIL 2 is required per IEC 61511.
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Offshore / Marine: Compact H-System barrier on termination board for efficient use of cabinet space — low power dissipation (≤ 800 mW) minimizes heat load in enclosed panels.
About ACH
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.
Ratings & Review
Contact Details
Achievers Automation Limited
Contact Person: sales2
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