Product Description
Key Features
- Product type: SM 1238, AI energy meter 480 V AC for voltage, current, power, energy and frequency measurement.
- 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 is supported.
- Measurement functions: Voltage, current, phase angles, power, energy values and frequencies are acquired; channel diagnostics are available.
- Firmware and engineering: Firmware version: V2.0.1. STEP 7 TIA Portal configurable/integrated from version V13 SP1.
- Mounting and supply: Mounting position: horizontal, vertical. Supply voltage is DC, with the power supply from the CPU.
Applications
- Electrical data acquisition: Acquires voltage, current, phase angles, power, energy values and frequencies in 1- and 3-phase supply systems.
- Voltage and current measurement: Measures voltage and current, including current measurement with a current transformer.
- Power and energy measurement: Measures active power, reactive power, active energy and reactive energy.
Technical Summary
| Product type | SM 1238, AI energy meter 480 V AC |
|---|---|
| Firmware version | V2.0.1 |
| Supply systems | 1- and 3-phase; TN, TT; up to 480 V AC |
| Current range | 1 A, 5 A |
| Voltage measurement | Yes; TRMS |
| Current measurement | Yes; TRMS |
| Measurement functions | Voltage, current, phase angles, power, energy values, frequencies |
| Frequency measurement | 45 Hz to 65 Hz |
| Cycle time | 50 ms; time for consistent update of all measured and calculated values |
| Mounting position | Horizontal, vertical |
| Supply voltage | DC; from CPU |
Frequently Asked Questions
Which order number and product type should be confirmed for this module?
Confirm order number 6ES7238-5XA32-0XB0 and product type SM 1238, AI energy meter 480 V AC.
Which firmware version should be checked?
Firmware version is V2.0.1.
What supply-system configuration does the module support?
It supports data acquisition in 1- and 3-phase supply systems (TN, TT) up to 480 V AC.
What current-measurement configuration should be confirmed?
The current range is 1 A, 5 A, and current measurement with a current transformer is supported.
