Product Overview
Technical Summary
| Product type designation | SM 1238, AI energy meter 480 V AC |
|---|---|
| Measured quantities | Voltage, current, phase angles, power, energy values and frequency |
| Supply systems | 1- and 3-phase supply systems (TN, TT) up to 480 V AC |
| Current range | 1 A, 5 A |
| Frequency measurement | 45 Hz to 65 Hz |
| Voltage measurement | 0 V to 293 V between phase and neutral conductor; 0 V to 508 V between line conductors |
| Cycle time | 50 ms; all channels |
| Power supply | From CPU; DC |
| Firmware version | V2.0.1 |
| Mounting position | Horizontal, vertical |
| Address space | 124 byte; 112 byte input / 12 byte output |
| Diagnostics | Channel diagnostics; diagnostic alarm; limit value alarm |
Key Features
- Product designation: SM 1238, AI energy meter 480 V AC.
- Measurement functions: Measures voltage, current, phase angles, power, energy values and frequency.
- Supply systems: Data acquisition in 1- and 3-phase supply systems (TN, TT) up to 480 V AC.
- Current measurement: Current range: 1 A, 5 A; current measurement with current transformer: Yes.
- Measured value acquisition: Cyclic and acyclic measurement; seamless acquisition; cycle time for all channels: 50 ms.
- Diagnostics and mounting: Channel diagnostics, diagnostic alarm and limit value alarm; horizontal or vertical mounting.
Applications
- Data acquisition in supply systems: Data acquisition in 1- and 3-phase supply systems (TN, TT) up to 480 V AC.
- Electrical measurement: Voltage, current, phase angle, power, energy value and frequency measurement.
Frequently Asked Questions
What does Siemens 6ES7238-5XA32-0XB0 identify?
It identifies an SM 1238, AI energy meter 480 V AC for SIMATIC S7-1200.
Which specifications distinguish this exact code?
The supplied variant measures voltage, current, phase angles, power, energy values and frequency, supports 1- and 3-phase TN and TT systems up to 480 V AC, and includes channel diagnostics.
What should be provided for quotation?
Provide the complete 6ES7238-5XA32-0XB0 code, the required quantity and the destination.
