ARS11-B2-IA08-2 Input Module

Product parameters

Power supply: Redundant power input 20... 60 V DC, power dissipation ≤ 15 W, maximum power consumption depends on port load, ripple ≤ 10%.

Interface (Ethernet) 2 x 1000BASE-T RJ45 ports (copper cable), 2 x SFP slots (optical fiber, supporting single-mode/multi-mode, wavelength 850 nm or 1310 nm, conforming to Class 1 laser standard), supporting 10/100/1000 Mbps adaptive.

Branch port (on-site side) : 8 x internal safety Ex ia branch port (spring terminal), supports Ethernet-APL physical layer, maximum distance 1000 m (depending on cable), power output limited to Ex ia parameters (Uo ≤ 12 V, Io ≤ 100 mA, Po ≤ 0.7 W).

Performance metrics: Latency < 5 µs (port-to-port), throughput ≥ 1 Gbps, support for MRP (Media Redundancy Protocol) ring network recovery < 200 ms, proxy support for PROFIBUS PA (optional), temperature drift < 0.1% /K.

Isolation and Safety: 1.5 kV isolation between ports (functional isolation), intrinsically safe Ex ia IIC T4 for branch ports, protection grade IP20, in compliance with SIL 2/3 (IEC 61508), electromagnetic compatibility complies with EN 61326-1:2013 (industrial environment).

Certification: CE, ATEX (II 3G Ex ec nC IIC T4 Gc), IECEx, cULus, compliant with 2014/34/EU (Equipment Directive) and EN 60079 series, installed in Zone 2/ Div.2.

Mechanical parameters: Dimensions 240 x 127 x 150 mm (approximately), weight approximately 2.5 kg, installed on 35 mm DIN rail, spring terminal (maximum 2.5 mm²), ambient temperature -40... 70 °C, humidity 5... 95% (non-coagulated).

Function

It provides managed Ethernet-APL switching and supports 8 Ex ia branch port connections to field devices to achieve high-speed real-time data transmission and power supply.

Supports PROFINET MRP and S2 redundancy mechanisms to ensure rapid recovery (< 200ms) in the event of network failures and dynamically reconfigure and optimize the topology.

The optional agent function simulates PROFIBUS PA devices and supports the hybrid integration of traditional fieldbus and Ethernet-APL.

Equipped with LED indicator lights (power, link, status) and QR codes (serial numbers), it supports SFP optical fiber diagnostic monitoring for easy maintenance.

Built-in network management tools, supporting VLAN, QoS and SNMP, compatible with the Power Rail system, easy to expand and configure.

Application scenarios

ARS11-B2-IA08-2 is widely used in process industries such as petrochemicals, pharmaceuticals, oil refining and mining, and is suitable for explosive hazard areas in Zone 2 or Div.2. It is used to connect multiple Ethernet-APL field devices (such as sensors and actuators), achieving seamless high-speed communication from the control room to the field, and supporting IIoT and Industry 4.0 applications. Meanwhile, PROFIBUS PA devices can be integrated to achieve hybrid network upgrades. The equipment complies with ATEX, IECEx and cULus certifications and is suitable for automation systems that require high availability, redundancy and real-time process control.

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