Product Overview

CP 1242-7 GPRS

Part No:

6GK7242-7KX31-0XE0

HS Code / Commodity code:

This expansion unit is commonly used in modular automation systems where the standard CPU I/O count needs to be extended to meet application requirements.

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Technical Specification

Parameter	Specification
Product Brand	Siemens
Product Family	SIMATIC S7-200 SMART
Module Type	Digital Input Expansion Module
Part Number	6ES7241-1AH32-0XB0
Digital Inputs	32 inputs
Input Voltage Level	24 V DC
Input Type	Sourcing type (positive logic)
Channel Configuration	32 × Digital Inputs
Isolation	Galvanically isolated inputs
Connection Terminal	Pluggable screw terminal
LED Indicators	Yes (for input status)
Mounting Type	DIN rail / Backplane bus for S7-200 SMART
Communication with CPU	Through S7-200 SMART backplane bus
Operating Temperature	Typically 0–55 °C (industrial)
Programming Compatibility	S7-200 SMART programming software
Typical Use Cases	Sensor integration, signal expansion, discrete inputs

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? Key Features

• Adds 32 additional digital inputs to S7-200 SMART PLC systems

• Supports 24 V DC input signals — standard industrial level

• Status LEDs for easy diagnostics

• Compact and roll-in mountable to S7-200 SMART rack

• Ideal for large sensor arrays, machine inputs, and discrete signal monitoring

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Typical Applications

• Factory automation systems

• Packaging and material handling

• Conveyor signal expansion

• Water/wastewater control panels

• OEM machines requiring high input counts

S7-1200 PLC CPU Model Name,	Description,	Siemens Part Number        (Order Code)

CPU 1211C  DC/DC/DC

Entry-level compact PLC with integrated I/O

6ES7211-1AE40-0XB0

CPU 1211C AC/DC/Relay

AC supply, relay outputs variant

6ES7211-1BE40-0XB0

CPU 1211C DC/DC/Relay

DC power, relay outputs

6ES7211-1HE40-0XB0

CPU 1212C DC/DC/DC

Standard performance compact PLC

6ES7212-1AE40-0XB0

CPU 1212C AC/DC/Relay

AC version with relay outputs

6ES7212-1BE40-0XB0

CPU 1212C DC/DC/Relay

DC power with relay outputs

6ES7212-1HE40-0XB0

CPU 1214C DC/DC/DC

Mid-range compact CPU

6ES7214-1AG40-0XB0

CPU 1214C AC/DC/Relay

Mid-range CPU with AC/relay outputs

6ES7214-1BG40-0XB0

CPU 1214C DC/DC/Relay

Mid-range DC with relay outputs

6ES7214-1HG40-0XB0

CPU 1215C DC/DC/DC

Higher-performance CPU

6ES7215-1AG40-0XB0

CPU 1215C AC/DC/Relay

Higher performance with AC/relay

6ES7215-1BG40-0XB0

CPU 1215C DC/DC/Relay

Higher performance DC with relay

6ES7215-1HG40-0XB0

CPU 1217C DC/DC/DC

Top performance compact CPU

6ES7217-1AG40-0XB0