Home › Manufacturers › Siemens › SIMATIC S7-1200 & S7-200 › 6ES7231-7PB20-0XA0
Siemens

Siemens SIMATIC S7-200 RTD Input Module EM 231

Siemens SIMATIC S7-200 EM 231 RTD Input Module for S7-22X CPUs.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned
In Stock — Ready to Ship
ManufacturerSiemens
Part number6ES7231-7PB20-0XA0
Type RTD Input Module (EM 231)
Series SIMATIC S7-200
For CPU S7-22X ONLY
Inputs 2 AI
Get a price for 6ES7231-7PB20-0XA0
Response within 1 business hour

All orders subject to availability

🛡
12-month warranty
All units tested
⚡
Same-day dispatch
Order by 2pm CST
🌐
Worldwide delivery
US, EU, Asia, Middle East
🎖
Veteran-owned
CAGE: 9NK75
2 Analog Inputs Wide RTD Support (Pt, Ni) Resistance Measurement Capability High Resolution (15-bit + Sign) Designed for S7-22X CPUs

The Siemens SIMATIC S7-200, identified by part number 6ES7231-7PB20-0XA0, is a Resistance Temperature Detector (RTD) Input Module (EM 231) specifically for S7-22X CPUs. This module features 2 analog inputs (2AI) capable of measuring RTDs such as Pt100, Pt200, Pt500, and Pt1000, as well as Ni100, Ni120, and Ni1000. It also supports resistance measurements of 150, 300, or 600 Ohms with a 15-bit plus sign resolution.

This module is crucial for applications within the SIMATIC S7-200 automation system that require precise temperature or resistance monitoring. It is widely used in industrial process control, environmental monitoring, and machinery where accurate temperature feedback from RTD sensors is essential.

Stanlo Automation, your trusted veteran-owned surplus industrial parts distributor, offers the Siemens SIMATIC S7-200 RTD Input Module EM 231 (6ES7231-7PB20-0XA0). We provide dependable, tested surplus components to keep your automation systems running efficiently and cost-effectively.

TypeRTD Input Module (EM 231)
SeriesSIMATIC S7-200
For CPUS7-22X ONLY
Inputs2 AI
Supported RTDsPt100/200/500/1000, Ni100/120/1000
Resistance150/300/600 Ohm
Resolution15 bit + Sign
Temperature Monitoring
Industrial Process Control
RTD Sensing
Resistance Measurement
Automation Systems
Siemens SIMATIC S7-22X CPUs
SIMATIC S7-200 EM 231, Siemens RTD Module, S7-22X RTD Input
This module is designed for the Siemens SIMATIC S7-200 S7-22X series. It serves as a direct replacement for existing EM 231 modules or as an expansion for compatible S7-22X CPUs.
Expert tip
Ensure the correct wiring configuration for the specific RTD type (e.g., 2, 3, or 4-wire) to achieve accurate measurements with the EM 231 module.
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
What are the resistance measurement capabilities of the Siemens EM 231 module (6ES7231-7PB20-0XA0)?
The Siemens EM 231 module (6ES7231-7PB20-0XA0) can measure resistance values in three ranges: 150 Ohms, 300 Ohms, and 600 Ohms, in addition to its RTD sensing capabilities. This provides flexibility for various input requirements.