Model: 6ES7231-7PB22-0XA0

Power Requirements

Input current (from load voltage L+, no load): max. 60 mA

Input current (from backplane bus, 5 V DC): max. 87 mA

Power loss: typ. 1.8 W

Sensor power consumption: 1 mW

Analog Inputs

Number of analog inputs: 2

Maximum permissible input voltage (voltage input, destruction limit):

30 V DC (probe)

5 V DC (source)

Loop resistance cable: 20 Ω; max. 2.7 Ω for Cu

Updating time (all channels):

405 ms (standard)

700 ms (with Pt10000 sensor)

Electrical Isolation

Permissible potential difference:

Between inputs and MANA (UCM): 500 V AC

Between M (internally) and inputs: 500 V AC

Connection

Plug-in I/O terminals: Not available

Mechanical Data

Width: 71.2 mm

Height: 80 mm

Depth: 62 mm

The Siemens 6ES7231-7PB22-0XA0 is an analog input module designed specifically for integration with the SIMATIC S7-200 series.  This module provides two analog input channels, supporting a wide range of sensors such as Pt100, Pt200, Pt500, Pt1000, Pt10000, NI100, NI120, NI1000, CU10, and resistance measurements of 150, 300, and 600 ohm.  The 6ES7231-7PB22-0XA0 delivers precise data collection with a resolution of 15 bits plus sign, making it suitable for applications that require accurate and reliable signal acquisition in processes.

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