Siemens SIMATIC ET 200iSP Modules: 6ES7650-8BK60-1AA0 Analog Input Module

Name: Siemens SIMATIC ET 200iSP Modules: 6ES7650-8BK60-1AA0 Analog Input Module
Brand: Siemens

Model: 6ES7650-8BK60-1AA0

Brand Siemens

Series Pending

Model 6ES7650-8BK60-1AA0

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Product Details And Specifications

Siemens SIMATIC ET 200iSP Series Technical Notes

The Siemens SIMATIC ET 200iSP (6ES7650-xxxx) is a distributed I/O system engineered for deployment in hazardous areas classified under ATEX Zone 1/2 and IECEx standards. It operates on the PROFIBUS DP protocol and is certified for use in environments with explosive gas atmospheres, making it the reference platform for process automation in chemical plants, oil refineries, offshore platforms, and nuclear auxiliary systems. The ET 200iSP is installed across tens of thousands of process control loops globally, frequently integrated with Siemens SIMATIC PCS 7 and S7-400 DCS architectures. Its intrinsically safe (Ex i) backplane design allows hot-swapping of I/O modules without de-energizing the hazardous area — a critical operational requirement in continuous-process industries where unplanned shutdowns carry significant economic and safety consequences.

The Evolution of ET 200iSP Architecture

The ET 200iSP was introduced in the early 2000s as Siemens' answer to the demand for a PROFIBUS-based intrinsically safe distributed I/O platform that could replace legacy point-to-point wiring in Zone 1 hazardous areas. Early hardware revisions used a passive backplane with fixed slot assignments; subsequent generations introduced active backplane management, allowing the IM 152-1 interface module to perform online module diagnostics and hot-swap coordination without interrupting PROFIBUS communication.

ET 200iSP Full Catalog & Functionalities (SKU List)

Interface Modules

6ES7652-1AA01-0AA0: IM 152-1 PROFIBUS DP interface module, Ex i, Zone 1
6ES7652-1AC01-0AA0: IM 152-1 interface module with extended diagnostics

Analog Input Modules

6ES7650-8BK60-1AA0: 4-channel AI, 4–20 mA / HART, intrinsically safe, Ex i
6ES7650-8BL60-1AA0: 4-channel AI, RTD/TC temperature measurement, Ex i
6ES7650-8BM60-1AA0: 4-channel AI, voltage/current, high-resolution, Ex i
6ES7650-8BN60-1AA0: 2-channel AI, HART, with NAMUR NE43 diagnostics

Analog Output Modules

6ES7650-8CK60-1AA0: 4-channel AO, 4–20 mA / HART, Ex i
6ES7650-8CL60-1AA0: 2-channel AO, current output, intrinsically safe

Digital Input Modules

6ES7650-8DK60-1AA0: 8-channel DI, 24 VDC, NAMUR sensor compatible, Ex i
6ES7650-8DL60-1AA0: 4-channel DI, high-side switching, Zone 1
6ES7650-8DM60-1AA0: 8-channel DI, 24 VDC, standard, Ex i

Digital Output Modules

6ES7650-8EK60-1AA0: 4-channel DO, relay output, Ex i, Zone 1
6ES7650-8EL60-1AA0: 4-channel DO, transistor output, 24 VDC, Ex i

Power Supply & Backplane Modules

6ES7655-5BX58-0AA0: ET 200iSP backplane bus module, 8-slot
6ES7655-5BX68-0AA0: ET 200iSP backplane bus module, 12-slot
6ES7655-5CA00-0AA0: Power supply module, 24 VDC, Ex i rated

Communication Modules

6ES7650-8FK60-1AA0: HART multiplexer communication module, Ex i

Quality Control for the ET 200iSP Range

ET 200iSP analog modules such as the 6ES7650-8BK60-1AA0 require specialized test procedures due to their intrinsically safe backplane interface and HART communication layer. DriveKNMS applies the following test protocol to all ET 200iSP modules prior to shipment:

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