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The Siemens 6ES5391-5AA13 is a specialized operator panel designed for legacy Simatic S5 automation systems. This interface unit is engineered to provide direct interaction with 390 timer and counter modules, serving as a critical diagnostic and adjustment tool for legacy control architectures. By enabling field-level modifications to timing loops and counting parameters, it helps operators maintain system performance and minimize downtime in environments where full-scale system migration is not yet feasible.
This operator panel is primarily deployed in legacy industrial facilities, including metal processing plants, municipal water distribution systems, and power generation infrastructure. It is essential for maintenance engineers managing aging S5 control systems who require reliable, localized access to process variables.
| Model | 6ES5391-5AA13 |
| Alternate Part Number | OP391, C79040-A96-C374-1-8 |
| Brand | Siemens Simatic S5 |
| Interface Type | Operator Panel |
| Power Consumption | 4.8 W (via bus) |
| Operating Temperature | 0 to 55 deg C |
| Storage Temperature | -20 to 70 deg C |
| Front Enclosure Rating | IP65 (when correctly mounted) |
Is this unit compatible with modern S7 systems? No, this panel is specifically designed for the legacy Simatic S5 architecture and is not natively compatible with S7 series controllers.
Does this panel require external power? The unit is powered via the S5 bus connection with a maximum consumption of 4.8 W.