https://www.proliteautomation.com/product-page/6es7327-1bh00-0ab0-sm327-8di-8dx-dc24v-0-5a
6ES7327-1BH00-0AB0 : SM327, 8DI/8DX, DC24V, 0,5A | Prolite Automation
SIMATIC S7-300, Digital module SM 327, isolated, 8DI and 8DX, 24 V DC, 0.5 A 1x 20-pole; 8DX by individual channels Can be parameterized as DI or DO