Quick answer: The Siemens ET 200SP IM 155-6 DP/MF (order code 6ES7155-6MU00-0BN0) is a Interface Module for the SIMATIC ET 200SP distributed I/O system. PROFIBUS DP slave interface, up to 12 Mbaud, 32 I/O modules per station.
| Identification | |
| Module Name | IM 155-6 DP/MF |
| Order Code (MLFB) | 6ES7155-6MU00-0BN0 |
| Module Type | Interface Module |
| I/O Characteristics | |
| Channel Count | — |
| Signal Type | PROFIBUS |
| Voltage / Range | — |
| Description | PROFIBUS DP slave interface, up to 12 Mbaud, 32 I/O modules per station. |
| 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 |