Product Specifications

Part Number (P/N)	ET-125-RS422
Rated Voltage (Un)	DC 8.5 V to 12.4 V
Rated Current	Approx.180 mA-200 mA
Operating Temperature	-20°C to +60°C
Maximum Power Consumption	Max. 2.4 W
Maximum Input Voltage (Ui)	12.4 VDC
Maximum Input Current (Ii)	200 mA

The STAHL ET-125-RS422 is an industrial operator panel and display terminal from the R. STAHL Exicom series. It is designed for safe and reliable visualization, control, and data transfer in factory and harsh or hazardous industrial environments.

The ET-125-RS422 is built utilizing Intrinsic Safety (Ex i) protection principles, making it fully certified for deployment in explosive gas (Zone 1 / 2) and combustible dust (Zone 21 / 22) atmospheres. It operates flawlessly under extreme temperatures ranging from -20°C to +60°C, resisting the moisture, high vibration, and corrosive elements typical of chemical, oil, gas, and pharmaceutical manufacturing facilities.

Equipped with a dedicated four-wire, full-duplex RS-422 serial interface, the terminal leverages differential signaling to achieve exceptional noise immunity against severe electromagnetic interference (EMI) caused by heavy plant machinery. This allows for reliable, high-speed data transmission over extended cable runs up to 1,200 meters, bridging the gap between field-level processes and distant control rooms without signal degradation.

Frequently asked questions：

What is the ET-125-RS422?
It is a rugged, industrial monochrome operator terminal (HMI) designed by R. STAHL for data visualization and equipment control in harsh and hazardous industrial environments.

How many digital inputs does the terminal have?
It provides 8 digital inputs, operating at 3.3 V / 2 mA, designed for passive dry-contact switches or buttons.

What is the operating voltage range of the ET-125-RS422?
The nominal voltage input ranges from 8.5V DC to 12.4V DC, which usually scales to standard industrial 24V DC via a matching safety barrier.

Is the ET-125-RS422 suitable for hazardous locations?
Yes, it is designed with Intrinsic Safety (Ex i) protection principles for deployment in explosive gas or dust environments.

Product Applications

Oil and Gas Extraction
Petrochemicals and Refining
Fine Chemicals and Pharmaceuticals
Warehousing and Logistics

Grab an Extra Discount - Contact Sales Manager Lisa Lin Today :
:sales7@amikon.cn :+86-18965423501 :AMKPLC

We provide a 12-month warranty and worldwide stock availability to guarantee smooth integration and prompt delivery for your daily operations.

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Amikon offer you
✓ lower your support costs
✓ Large number of inventory
✓ Support door-to-door inspection
✓ Courier partners: DHL, UPS, TNT, FedEx
✓ Provide on-going availability of automation replacement parts
✓ Technical specification, manuals and data sheets: Available on request.

Professional team
— Sales department
24/7 hours service.Deal your request for any PLC DCS products promptly, patiently and professionally.
— Engineering department
Ensure that there are no quality problems in the products.All products will be examed before shipment.
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Check payment and refund in time.
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Careful checking the goods listing and careful packing, shipping goods in time.
— After-sales service department
Full-time after-sales service team, under the sales department, the user can put the timely response to service requests.

What we can supply you?

We offer quality products of a wide range of brands, enabling the parts that meet your replacement needs can be found.
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BENTLY NEVADA
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• Proximity Probes : 330130-040-00-00, 330105-02-12-10-02-00, 330130-085-00-00
• Proximity Sensor : 330180-50-00, 330180-91-05, 330780-50-00, 330180-91-00
EMERSON
• DeltaV : KJ3002X1-BB1 12P068X082, KJ3221X1-BA1 12P2531X132 VE4035S2B1
• Fisher : 01984-4282-0001, 01984-2518-0002
• Ovation : IC31132G01, 1C31234G01, 5X00058G01, 5X00167G01, 1C31194G01
• Rosemount : 2051CD2A02A1AS3I1M5 405PS100N065D3H
GE
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•IC693/IC695/IC697/IC698/IC200/IC660/IC670 CPU module:IC693PWR321,IC695CHS012,IC697PWR711M,IC698CPE020,IC200CHS022L

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