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Siemens SIMATIC S7-200 6ES7231-7PF22-0XA0 EM 231 Analog Input Module | Original New

Siemens SIMATIC S7-200 6ES7231-7PF22-0XA0 EM 231 Analog Input Module | Original New

SIEMENS | SIMATIC S7-200

6ES7231-7PF22-0XA0

EM 231 Analog Input Module

SIMATIC S7-200 analog input expansion module for S7-22X CPUs, with 8 analog inputs, +/-80 mV measuring range, thermocouple types J, K, S, T, R, E and N, and 15 bit plus sign resolution.

INPUTS: 8 AI
RANGE: +/-80 mV

RESOLUTION: 15 bit + sign
LIFECYCLE: End Prod.Lifecycl.

LEAD TIME: In stock WARRANTY: 1 year

Email Inquiry [email protected]

WhatsApp +86 18159889985

Appurtenance:

siemens simatic s7 200 6es7231 7pf22 0xa0 em 231 analog input module original new-1

Overview
Technical Data
Inquiry
Functions
Interfaces
Installation
Diagnostics
FAQ
Recommend Models
Recommended Products

8 ANALOG INPUTS Eight measurement channels for SIMATIC S7-200 expansion.	+/-80 mV RANGE Low-level analog range for supported thermocouple signals.
15 BIT + SIGN High-resolution conversion stated for the exact module.	S7-22X CPU COMPATIBILITY Designed only for SIMATIC S7-22X CPUs.

Technical Data

Complete model	6ES7231-7PF22-0XA0
Brand	Siemens
Product family	SIMATIC S7-200
Product type	EM 231 analog input expansion module
Official description	Spare part; SIMATIC S7-200 analog input EM 231, only for S7-22X CPU
Analog inputs	8 AI
Measurement range	+/-80 mV
Thermocouple types	J, K, S, T, R, E, N
Resolution	15 bit + sign
Compatibility	Only for S7-22X CPU
Lifecycle	End Prod.Lifecycl.
Dimensions	Packaging dimensions (L x W x H): 10.1 x 8.8 x 7.1 cm
Weight	Net weight: 0.168 kg
EAN	4025515075608
Country of origin	China
RoHS status	RoHS compliant since 25.11.2009
Dangerous goods	No

Inquiry

CONTACT

STELLA

Email Inquiry [email protected]

WhatsApp +86 18159889985

Functions

Thermocouple acquisition

Accepts thermocouple types J, K, S, T, R, E and N across eight analog input channels.

Low-level measurement

Provides a +/-80 mV measuring range for supported sensor signals.

Signal conversion

Uses 15 bit plus sign resolution for conversion of the configured input signal.

S7-200 expansion

Adds analog measurement capability to compatible SIMATIC S7-22X CPUs.

Interfaces

Analog channels

Eight analog input channels are provided by the EM 231 module.

Supported sensors

Channel configuration must match thermocouple type J, K, S, T, R, E or N.

Controller connection

The exact module is specified only for SIMATIC S7-22X CPUs.

Field wiring

Verify thermocouple polarity, conductor type and terminal assignment before commissioning.

Installation

Model verification

Confirm the complete order number 6ES7231-7PF22-0XA0 before installation.

Power-off mounting

De-energize the SIMATIC S7-200 system before fitting or removing the expansion module.

Thermocouple wiring

Connect the selected thermocouple type with correct polarity and appropriate extension conductors.

Channel setup

Configure each input for its thermocouple type and verify the +/-80 mV range during commissioning.

Diagnostics

Catalog identity

Check the nameplate for 6ES7231-7PF22-0XA0 and EM 231 identification.

Compatibility check

Verify use with an S7-22X CPU; do not assume another S7-200 variant is equivalent.

Signal plausibility

If readings are unstable, inspect polarity, terminals, shielding and thermocouple type configuration.

Lifecycle planning

The official lifecycle status is End Prod.Lifecycl.; confirm sourcing evidence for this spare part.

FAQ

Q1. How can I verify that the quoted unit is the exact model?

Require a clear nameplate photo showing 6ES7231-7PF22-0XA0 and EM 231, then compare the eight analog inputs, +/-80 mV range and 15 bit plus sign resolution with the Siemens product record.

Q2. How can I distinguish new, used and refurbished stock?

Ask for current photos of the exact unit, factory labels, terminals, packaging and seal condition. Inspect terminal marks, mounting wear and evidence of prior wiring.

Q3. How can I assess whether a supplier is legitimate?

Verify legal registration, traceable address, matching banking details and a quotation identifying 6ES7231-7PF22-0XA0 without shortened suffixes.

Q4. What should an engineer verify before purchase?

Confirm S7-22X CPU compatibility, eight analog inputs, +/-80 mV range, supported thermocouples, 15 bit plus sign resolution, dimensions and lifecycle.

Q5. What physical evidence should be requested before payment?

Request dated photos or video showing the exact nameplate, terminal block, housing, packaging and complete order number.

Q6. Can a similar model or different suffix replace it?

Not automatically. Match controller compatibility, input count, signal range, supported thermocouples, resolution and engineering configuration; obtain engineering approval.

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