Siemens 6ES7231-0HC22-0XA0

Technical specifications

Manufacturer

Siemens

Manufacturer part no.

6ES7231-0HC22-0XA0

Type

Analog input module

Application

Analog expansion module

Used with

SIMATIC S7-200 CPU 22x

Input current / from load voltage L+ (without load), max.

60 mA

Input current / from backplane bus 5 V DC, max.

20 mA

Power loss, typ.

2 W

Number of analog inputs

4; Difference

Analog inputs / permissible input voltage for voltage input (destruction limit), max.

30 V

Analog inputs / permissible input current for current input (destruction limit), max.

32 mA

Input ranges / Voltage

Yes

Input ranges / Current

Yes

Input ranges / Thermocouple

No

Input ranges / Resistance thermometer

No

Input ranges / Resistance

No

Input ranges (rated values), voltages / 0 to +5 V

Yes

Input ranges (rated values), voltages / 0 to +5 V / Input resistance (0 to 5 V)

10 MΩ

Input ranges (rated values), voltages / 0 to +10 V

Yes

Input ranges (rated values), voltages / 0 to +10 V / Input resistance (0 to 10 V)

10 MΩ

Input ranges (rated values), voltages / -2.5 V to +2.5 V

Yes

Input ranges (rated values), voltages / -2.5 V to +2.5 V / Input resistance (-2.5 V to +2.5 V)

10 MΩ

Input ranges (rated values), voltages / -5 V to +5 V

Yes

Input ranges (rated values), voltages / -5 V to +5 V / Input resistance (-5 V to +5 V)

10 MΩ

Input ranges (rated values), currents / 0 to 20 mA

Yes

Input ranges (rated values), currents / 0 to 20 mA / Input resistance (0 to 20 mA)

10 MΩ

Thermocouple (TC) / Temperature compensation / Parameterizable

No

Cable length / shielded, max.

100 m; to the sensor

Integration and conversion time/resolution per channel / Resolution with overrange (bit including sign), max.

12 bit

Integration and conversion time/resolution per channel / Interference voltage suppression for interference frequency f1 in Hz

40 dB, DC to 60 V for interference frequency 50 / 60 Hz

Technical documents (1)

• Siemens data sheet 6ES7231-0HC22-0XA0

Key features

• 4 analog inputs: 0 to 5 V, 0 to 10 V, ±2.5 V, ±5 V, 0 to 20 mA
• 12-bit converter, 250 µs per channel
• Differential inputs
• Only for S7-22x CPUs
• Cancelled by Siemens on 1 October 2017, discontinued on 1 November 2025; listed as a spare part

About the Siemens 6ES7231-0HC22-0XA0

The Siemens 6ES7231-0HC22-0XA0 is the 4-channel analog input module of the S7-200. Siemens's data sheet gives voltage ranges of 0 to 5 V, 0 to 10 V, ±2.5 V and ±5 V, a 0 to 20 mA current range, a 12-bit converter at 250 µs per channel, and sensor cables of up to 100 m. SiePortal shows the product cancellation on 1 October 2017 and the product discontinued on 1 November 2025; Siemens still lists it as a spare part.

What is the 6ES7231-0HC22-0XA0 used for?

It reads transmitters and other analog signals into an S7-200 CPU 22x.

Lifecycle and successor

Discontinued.

Before you order

What to photograph or confirm so the right unit is quoted.

Check the order number on the module.