Quick answer: The Siemens ET 200SP IM 155-6 PN R0 HA (order code 6ES7155-6AU10-0CN0) is a Interface Module for the SIMATIC ET 200SP distributed I/O system. For S2/R1 system redundancy with CPU 1515R/1517H controllers.
| Identification | |
| Module Name | IM 155-6 PN R0 HA |
| Order Code (MLFB) | 6ES7155-6AU10-0CN0 |
| Module Type | Interface Module |
| I/O Characteristics | |
| Channel Count | — |
| Signal Type | PROFINET |
| Voltage / Range | — |
| Description | For S2/R1 system redundancy with CPU 1515R/1517H controllers. |
| General | |
| System Compatibility | SIMATIC ET 200SP (PROFINET / PROFIBUS station) |
| Compatible Controllers | S7-1500, S7-1200, S7-300/400 (via IM interface module) |
| Operating Temperature | -30°C to +60°C |
| Supply Voltage | 24V DC (via ET 200SP backplane / PM module) |
| Protection Rating | IP20 |