The Siemens 6ES7221-1BF32-0XB0 is a digital input module from the renowned SIMATIC S7-1200 series. This compact module, measuring 45 x 100 x 75 mm, is designed to handle a backplane current of 105 mA at 24 V dc. It's engineered for versatility, with the ability to be installed in all mounting positions, whether horizontal or vertical.
The module features DC type input voltage with a rated value of 24V. It can handle a signal "0" at 5 V DC at 1 mA and a signal "1" at 15 V DC at 2.5 mA. The input current for signal "0" is a maximum of 1 mA, while for signal "1", it ranges from a minimum of 2.5 mA to a typical 4 mA.
The 6ES7221-1BF32-0XB0 also offers parameterizable input delay for both standard and interrupt inputs. It supports a maximum cable length of 500 m for shielded cables and 300 m for unshielded cables.
This module is equipped with diagnostic alarms and functions, including monitoring the supply voltage. It also features diagnostic indication LEDs for the status of the inputs and for maintenance.
With a degree and class of protection of IP20, this digital input module is designed to withstand demanding industrial environments. It's also approved by CE, RCM (former C-TICK), and FM.
Please note that this module requires a front connector for connection. It's housed in a durable plastic casing and weighs approximately 170 g.
The Siemens 6ES7221-1BF32-0XB0 digital input module is a reliable and efficient solution for your automation needs.