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This reserve module fills empty slots in SIMATIC ET 200S distributed I/O systems. It maintains proper airflow and protects unused backplane connectors from dust. Therefore, this component ensures system reliability and prevents contamination in industrial environments.
Physical Dimensions and Weight Specifications
The Siemens 6ES7138-7AA00-0AA0 features a compact plastic housing for slot mounting. Its width matches standard ET 200S module dimensions. The unit depth reaches 75 mm for backplane compatibility. Consequently, technicians can install this filler module without special tools.
| Parameter | Specification |
|---|---|
| Product Model | Siemens 6ES7138-7AA00-0AA0 |
| Slot Width | 1 x standard ET 200S slot |
| Height | 115 mm |
| Depth | 75 mm |
| Weight | 0.05 kg |
Interface Types and Connection Layout
The Siemens 6ES7138-7AA00-0AA0 provides no electronic interfaces or terminals. It simply occupies the slot with a blank housing. The front panel carries no LEDs or connectors for field wiring. Hence, this module serves only as a mechanical placeholder.
Component Count and Structural Elements
This reserve module contains no electronic components or PCB inside. The housing consists of molded plastic with mounting clips. You will find a labeling strip for slot identification. An integrated locking mechanism secures the module in the rack.
| Technical Feature | Description |
|---|---|
| Material | Molded plastic, UL 94 V-0 |
| Protection Rating | IP20 |
| Mounting Type | Snap-in to ET 200S base |
| Labeling | Removable strip for marking |
| Electrical Content | None (passive filler) |
Energy Storage and Power Consumption
The Siemens 6ES7138-7AA00-0AA0 consumes zero power from the backplane. It contains no capacitors, batteries, or active circuits. Therefore, this module draws no current from the system power supply. This characteristic makes it ideal for empty slot protection.
Installation and Benefits
Users can insert this module in any unused ET 200S slot. The reserve module maintains proper cooling airflow through the rack. It also prevents accidental contact with live backplane connectors. This design meets IP20 safety requirements for industrial control cabinets.