STAHL 9460/12-08-11 8-Channel Intrinsically Safe Analog Input Module for Explosive Zone Remote I/O System

Product Description

9460/12-08-11 is a core intrinsically safe analog input card under Stahl 9460 BusRail remote I/O series, manufactured in Germany.

It provides 8 isolated intrinsically safe input channels, compatible with 2/3/4-wire pressure, temperature, flow transmitters, supporting 0–20mA / 4–20mA standard analog signals. The module features Ex ia IIC intrinsically safe certification, directly applicable to Zone1/2, Div.1 explosive hazardous areas in petrochemical, oil & gas plants.

It communicates with system bus via RS485 Ex i interface, converts field analog signals into digital data for upper DCS/PLC monitoring. Compact BusRail rack plug-in design, widely used as maintenance spare for chemical, refinery and offshore explosion-proof control cabinets.

Technical Specifications

PN: 9460/12-08-11, Brand: R.STAHL, Origin: Germany

Channel: 8 intrinsically safe analog input points

Supported Signal: 0–20mA, 4–20mA (channel independent parameter setting)

Transmitter Compatibility: 2-wire, 3-wire, 4-wire field transmitters

Explosion Certification: ATEX, IECEx Ex Ib [Ia] IIC T4; Class I Div.1 Groups A-G T4

Operating Temp: -20℃ ~ +65℃

Weight: 340g

Communication Bus: RS485 Ex i BusRail internal bus

Intrinsic safety parameter: U0=26.2V, I0=86mA

Mount: Standard Stahl BusRail rack insertion installation

Key Features

8-channel high-density analog acquisition, reduces cabinet space occupation.

Full intrinsically safe Ex ia circuit, safe direct wiring to Zone1 hazardous field sensors.

Universal compatibility with all mainstream industrial mA transmitters.

Independent channel signal configuration, flexible matching different measuring points.

Built-in circuit short-circuit and overcurrent protection to avoid field fault diffusion.

Stable RS485 explosion-proof bus transmission, anti-interference for long-distance field wiring.

Complete ATEX/IECEx explosion-proof certification, meets global hazardous area safety standards.

Rugged industrial PCB, stable 24/7 continuous operation in refinery and chemical plant environments.