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Emerson KJ3222X1-BK1 12P4705X032 SE4003S2B1 Analog Input Module
The Emerson KJ3222X1-BK1 is an 8-channel DeltaV analog input module. It provides 24-bit resolution for 4-20mA signals in M-series I/O subsystems.
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SKU: 6ES7231-0HC22-0XA8
Siemens 6ES7231-0HC22-0XA8 Analog Input Module
The Siemens 6ES7231-0HC22-0XA8 is a 4-channel analog input expansion for S7-200 CN PLCs. It features 12-bit resolution and a 0-10V DC range, providing precise signal acquisition in a compact 0.18kg module.
The Siemens 6ES7231-0HC22-0XA8 is a high-precision expansion module for the SIMATIC S7-200 CN PLC series. This module specifically expands the analog processing capabilities of S7-22X CN central processing units. It allows engineers to integrate four independent analog signals into their control logic. Because this variant serves the CN market, it offers full compatibility with regional S7-200 configurations. The hardware ensures reliable signal conversion for various industrial monitoring tasks.
Technical Specifications
| Parameter | Specification Details |
| Brand | Siemens |
| Model Number | 6ES7231-0HC22-0XA8 (EM 231) |
| Input Channels | 4 Analog Inputs |
| Input Range | 0 to 10V DC (Voltage) |
| Resolution | 12-Bit Analog-to-Digital Converter |
| Power Consumption | 2.0 Watts |
| Weight | 0.18 kg |
| Dimensions | 4.5 x 7.5 x 10.0 cm |
| Compatibility | S7-22X CN CPUs only |
Primary Functional Characteristics
The EM 231 module utilizes differential inputs to minimize external electromagnetic interference. This design choice significantly improves the accuracy of measurements in noisy factory environments. Furthermore, the 12-bit resolution provides a high degree of granularity for sensitive data. The module communicates directly with the PLC backplane for instantaneous data updates. Its compact housing saves valuable space on the DIN rail. Additionally, the unit features built-in isolation to protect the main CPU from field-side surges.
Industrial Applications
- Monitoring industrial temperature sensors via voltage transducers.
- Tracking pressure levels in hydraulic and pneumatic systems.
- Measuring fluid flow rates in water treatment facilities.
- Interfacing with variable frequency drives for speed feedback.
Tags: Analog Input Module
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