The subracks form the basic mechanical framework of the SIMATIC S7-400. Their functions are as follows:
The subracks are designed for wall mounting and installation in frames and cabinets.
Various subracks are available for setting up the SIMATIC S7-400.
| Article number | 6ES7400-1TA11-0AA0 | 
| S7-400, UR1 RACK ALU, 18 SLOTS | |
| General information | |
| Product type designation | UR1 | 
| Hardware configuration | |
| Rack | |
| ● Communication bus | Yes | 
| ● P bus | Yes | 
| Slots | |
| ● Number of slots | 18 | 
| Standards, approvals, certificates | |
| CE mark | Yes | 
| UL approval | Yes | 
| FM approval | Yes | 
| RCM (formerly C-TICK) | Yes | 
| KC approval | Yes | 
| EAC (formerly Gost-R) | Yes | 
| Ambient conditions | |
| Ambient temperature during operation | |
| ● min. | 0 °C | 
| ● max. | 60 °C | 
| Ambient temperature during storage/transportation | |
| ● min. | 0 °C | 
| ● max. | 70 °C | 
| Dimensions | |
| Width | 482.5 mm | 
| Height | 290 mm | 
| Depth | 27.5 mm | 
| Weights | |
| Weight, approx. | 3 000 g | 
| Weight | 3.276 kg | 
|---|---|
| Dimensions | 30.4 × 59.1 × 5 cm |