Technical Specifications

Product / order number
6ES7231-4HF50-0XB0
Module type
SM 1231 analog input module
Supported CPU / system
SIMATIC S7-1200 G2 CPUs
Supply voltage
24 V DC; 20.4-28.8 V DC range
Integrated / available I/O
8 differential AI, 14-bit ADC
Input / output signal type
±10 V, ±5 V, ±2.5 V, 0-20 mA, or 4-20 mA
Rated output current
Not applicable
Communication interface
Station backplane bus
Maximum expansion / modules
Uses 1 SM position within the G2 CPU configuration limit
Memory
Not applicable
Supported protocols
Cyclic analog data over the backplane bus
Diagnostics
Module/channel diagnostics and diagnostic alarms
Configuration software
STEP 7 in TIA Portal V20 or higher
Mounting method
DIN rail within an S7-1200 G2 station
Dimensions W × H × D
30 × 125 × 100 mm
Operating temperature / protection
IP20

Key Features

  • Exact Siemens order number 6ES7231-4HF50-0XB0; SM 1231 analog input module.
  • System: SIMATIC S7-1200 G2 CPUs; supply: 24 V DC; 20.4-28.8 V DC range.
  • I/O: 8 differential AI, 14-bit ADC; signals: ±10 V, ±5 V, ±2.5 V, 0-20 mA, or 4-20 mA.
  • Output current: Not applicable; interface: Station backplane bus.
  • Expansion: Uses 1 SM position within the G2 CPU configuration limit; memory: Not applicable.
  • Protocols: Cyclic analog data over the backplane bus; diagnostics: Module/channel diagnostics and diagnostic alarms.
  • Configured with STEP 7 in TIA Portal V20 or higher; DIN rail within an S7-1200 G2 station; dimensions 30 × 125 × 100 mm.