SIMATIC S7-400 – ER1 Extension Racks – Siemens Racks
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The subracks form the basic mechanical framework of the SIMATIC S7-400. Their functions are as follows:
- Mechanical fixing of the modules
- Supplying the modules with the operating voltages
- Connecting the individual modules over the backplane bus
The subracks are designed for wall mounting and installation in frames and cabinets.
Various subracks are available for setting up the SIMATIC S7-400.
Siemens S7-400 Racks Product Specifications:
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| Article number | 6ES7403-1TA01-0AA0 | 6ES7403-1TA11-0AA0 |
| SIMATIC S7-400, ER1 EXP. RACK, | S7-400, ER1 EXPANSION RACK ALU, 18 SLOTS | |
| General information | ||
| Product type designation | ER1 | ER1 |
| Hardware configuration | ||
| Rack | ||
| ● Communication bus | No | No |
| ● P bus | Yes | Yes |
| Slots | ||
| ● Number of slots | 18 | 18 |
| Standards, approvals, certificates | ||
| CE mark | Yes | Yes |
| UL approval | Yes | Yes |
| FM approval | Yes | Yes |
| RCM (formerly C-TICK) | Yes | Yes |
| KC approval | Yes | Yes |
| EAC (formerly Gost-R) | Yes | Yes |
| Ambient conditions | ||
| Ambient temperature during operation | ||
| ● min. | 0 °C | 0 °C |
| ● max. | 60 °C | 60 °C |
| Ambient temperature during storage/transportation | ||
| ● min. | 0 °C | 0 °C |
| ● max. | 70 °C | 70 °C |
| Dimensions | ||
| Width | 482.5 mm | 482.5 mm |
| Height | 290 mm | 290 mm |
| Depth | 27.5 mm | 27.5 mm |
| Weights | ||
| Weight, approx. | 4 200 g | 2 500 g |
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| Dimensions | N/A |