SIMATIC S7-1200 SM 1278 IO-Link Master Module is a signal module for connecting up to 4 IO-Link devices according to IO-Link Specification V1.1. The IO-Link parameters are configured with the Port Configuration Tool (PCT) V3.2 or higher; a SIPLUS version is also available.
Technical data
| Product | SM 1278 |
|---|---|
| Product family | SIMATIC S7-1200 |
| Description | 4-port IO-Link master module |
| Example version | SIMATIC S7-1200, SM1278 IO-Link 4xIO-Link Master |
| Programming | STEP 7 (TIA Portal) |
Article numbers
| Version | Description | Article No. |
|---|---|---|
| Standard | SIMATIC S7-1200, SM1278 IO-Link 4xIO-Link Master | 6ES7278-4BD32-0XB0 |
| SIPLUS | SIPLUS SM 1278 4xIO-Link Master signal module (Extended temperature range and exposure to environmental substances) • For areas with exceptional exposure to environmental substances (conformal coating) | 6AG1278-4BD32-4XB0 |
| SIPLUS | • -25 ... +70 °C, from +60 … +70 °C number of simultaneously controllable inputs and outputs max. 50% | 6AG1278-4BD32-2XB0 |
Technical data and article numbers are based on Siemens catalog ST 70 · 2026 (chapter SIMATIC S7-1200) and are for information only. Image is representative.
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Tags: SM 1278, siemens s7-1200, simatic plc, sm 1278, 6ES7278-4BD32-0XB0, 6AG1278-4BD32-4XB0, 6AG1278-4BD32-2XB0