Siemens SIMATIC S7-1500 System Manual page 109

Ex ample for the assignment of c hannel addresses (digital module)
The following figure shows how the addresses of the individual channels of the digital input
module (e.g., 6ES7521-1BL00-0AB0) are determined.
Figure 6-8
Not e
You can assign symbolic names to the addresses at the following locations in STEP 7:
• PLC tag table
• Properties of the module in the "IO Tags" tab.
Automation system
System Manual, 09/2016, A5E03461182-AD
Example for the assignment of channel addresses (digital module)
Configuring
6.1 Configuring the CPU
109