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Siemens SIPLUS S7-1200 SM 1234 Analog I/O Module

Siemens SIPLUS S7-1200 SM 1234 4AI/2AQ Analog Module

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ManufacturerSiemens

Part number6AG1234-4HE32-4XB0

Type Analog Input/Output Module

Series SIPLUS S7-1200

Analog Inputs 4

Analog Outputs 2

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4 Analog Inputs 2 Analog Outputs Conformal Coating Extended Temperature Range (-20 to +60°C) High Resolution (14-bit) SIPLUS Extreme Protection

Product description

The Siemens SIPLUS S7-1200 SM 1234 (6AG1234-4HE32-4XB0) is an analog input/output module for the S7-1200 PLC series. Based on the 6ES7234-4HE32-0XB0, it offers 4 analog inputs and 2 analog outputs. This SIPLUS version features conformal coating for enhanced protection against environmental factors and operates in an extended temperature range of -20°C to +60°C.

This module provides crucial analog signal processing capabilities for industrial control systems. It's ideal for applications requiring precise measurement of process variables like temperature, pressure, or flow, and for controlling analog actuators such as valves or drives. Its robust design makes it suitable for demanding environments found in chemical plants, oil and gas, and other process industries.

Source your Siemens SIPLUS S7-1200 SM 1234 module from Stanlo Automation, your trusted veteran-owned supplier of surplus industrial automation parts. We ensure quality and availability to keep your critical systems running efficiently.

Technical specifications

Type	Analog Input/Output Module
Series	SIPLUS S7-1200
Analog Inputs	4
Analog Outputs	2
Input Resolution	+/-10 V (14-bit) or 0-20 mA (13-bit)
Output Resolution	+/-10 V (14-bit) or 0-20 mA (13-bit)
Temperature Range	-20 to +60 °C
Coating	Conformal
Base Part	6ES7234-4HE32-0XB0

Common applications

Process Control

Temperature Monitoring

Pressure Sensing

Flow Measurement

Valve Control

PLC Analog Expansion

Compatible systems

Siemens S7-1200 PLC CPU (e.g., CPU 1214C, 1215C, 1217C)

Also known as

SIPLUS SM 1234 Siemens Analog Module S7-1200 I/O Module

Replaces / compatible with

This module is compatible with Siemens S7-1200 PLC systems and expands their analog input/output capabilities.

Technical note

Expert tip

The 14-bit resolution for +/-10V signals offers higher precision compared to the 13-bit resolution for 0-20mA signals, which should be considered based on application requirements.

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Frequently asked questions

What environmental advantages does the SIPLUS version of the SM 1234 offer?

The Siemens SIPLUS S7-1200 SM 1234 (6AG1234-4HE32-4XB0) features conformal coating and an extended operating temperature range (-20°C to +60°C), making it more resistant to corrosive substances, humidity, and extreme temperatures compared to standard modules.