6ES7238-5XA32-0XB0
SIMATIC S7-1200, intrare analogică, SM 1238 Energy Meter 480 V AC, modul de măsurare a energiei pentru achiziția de date în sisteme de alimentare monofazate și trifazate (TN, TT) până la 480 V AC; domeniu de curent: 1 A, 5A; achiziție de tensiune, curent, unghiuri de fază, putere, valori de energie, frecvențe; diagnosticare pe canal.
Categorie de produs
Signal modulesProducător
SIEMENSSerie de produse
S7-1200| General information | |
|---|---|
| Product type designation | SM 1238, AI energy meter 480 V AC |
| HW functional status | From FS02 |
| Firmware version | V2.0.1 |
| Product function | |
| Voltage measurement | Yes |
| with voltage transformer | Yes |
| Current measurement | Yes |
| without current transformer | No |
| with current transformer | Yes |
| Energy measurement | Yes |
| Frequency measurement | Yes |
| Power measurement | Yes |
| Active power measurement | Yes |
| Reactive power measurement | Yes |
| I&M data | Yes; I&M 0 |
| Isochronous mode | No |
| Engineering with | |
| STEP 7 TIA Portal configurable/integrated from version | V13 SP1 |
| Operating mode | |
| cyclic measurement | Yes |
| acyclic measurement | Yes |
| Acyclic measured value access | Yes |
| Fixed measured value sets | Yes |
| Freely definable measured value sets | No |
| CiR - Configuration in RUN | |
| Reparameterization possible in RUN | Yes |
| Calibration possible in RUN | Yes |
| Installation type/mounting | |
| Mounting position | Horizontal, vertical |
| Supply voltage | |
| Design of the power supply | from CPU |
| Type of supply voltage | DC |
| Input current | |
| Current consumption, max. | 180 mA |
| Power loss | |
| Power loss, typ. | 0.75 W |
| Address area | |
| Address space per module | |
| Address space per module, max. | 124 byte; 112 byte input / 12 byte output |
| Time of day | |
| Operating hours counter | |
| present | Yes |
| Analog inputs | |
| Cycle time (all channels), typ. | 50 ms; Time for consistent update of all measured and calculated values (cyclic und acyclic data) |
| Interrupts/diagnostics/status information | |
| Alarms | |
| Diagnostic alarm | Yes |
| Limit value alarm | Yes |
| Hardware interrupt | No |
| Diagnostics indication LED | |
| Monitoring of the supply voltage (PWR-LED) | Yes |
| Channel status display | Yes; green LED |
| for channel diagnostics | Yes; red Fn LED |
| for module diagnostics | Yes; green/red DIAG LED |
| Integrated Functions | |
| Measuring functions | |
| Measuring procedure for voltage measurement | TRMS |
| Measuring procedure for current measurement | TRMS |
| Type of measured value acquisition | seamless |
| Curve shape of voltage | Sinusoidal or distorted |
| Buffering of measured variables | Yes |
| Parameter length | 74 byte |
| Bandwidth of measured value acquisition | 2 kHz; Harmonics: 39 / 50 Hz, 32 / 60 Hz |
| Measuring range | |
| Frequency measurement, min. | 45 Hz |
| Frequency measurement, max. | 65 Hz |
| Measuring inputs for voltage | |
| Measurable line voltage between phase and neutral conductor | 277 V |
| Measurable line voltage between the line conductors | 480 V |
| Measurable line voltage between phase and neutral conductor, min. | 0 V |
| Measurable line voltage between phase and neutral conductor, max. | 293 V |
| Measurable line voltage between the line conductors, min. | 0 V |
| Measurable line voltage between the line conductors, max. | 508 V |
| Internal resistance line conductor and neutral conductor | 3.4 MΩ |
| Power consumption per phase | 20 mW |
| Impulse voltage resistance 1,2/50µs | 1 kV |
| Measurement category for voltage measurement in accordance with IEC 61010-2-030 | CAT II; CAT III in case of guaranteed protection level of 1.5 kV |
| Measuring inputs for current | |
| measurable relative current (AC), min. | 1 %; Relative to the secondary rated current 5 A |
| measurable relative current (AC), max. | 100 %; Relative to the secondary rated current 5 A |
| Continuous current with AC, maximum permissible | 5 A |
| Apparent power consumption per phase for measuring range 5 A | 0.6 V·A |
| Rated value short-time withstand current restricted to 1 s | 100 A |
| Input resistance measuring range 0 to 5 A | 25 mΩ; At the terminal |
| Surge strength | 10 A; for 1 minute |
| Zero point suppression | Parameterizable: 2 ... 250 mA, default 50 mA |
| Accuracy class according to IEC 61557-12 | |
| Measured variable voltage | 0,2 |
| Measured variable current | 0,2 |
| Measured variable apparent power | 0.5 |
| Measured variable active power | 0.5 |
| Measured variable reactive power | 1 |
| Measured variable power factor | 0.5 |
| Measured variable active energy | 0.5 |
| Measured variable reactive energy | 1 |
| Measured variable neutral current | 0.5; calculated |
| Measured variable phase angle | ±1 °; not covered by IEC 61557-12 |
| Measured variable frequency | 0.05 |
| Potential separation | |
| Potential separation channels | |
| between the channels and backplane bus | Yes; 3 700V AC (type test) CAT III |
| Isolation | |
| Isolation tested with | 2 300V AC for 1 min. (type test) |
| Standards, approvals, certificates | |
| CE mark | Yes |
| CSA approval | Yes |
| UL approval | Yes |
| cULus | Yes |
| FM approval | Yes |
| RCM (formerly C-TICK) | Yes |
| KC approval | Yes |
| Marine approval | Yes |
| Ambient conditions | |
| Ambient temperature during operation | |
| horizontal installation, min. | -20 °C |
| horizontal installation, max. | 60 °C |
| vertical installation, min. | -20 °C |
| vertical installation, max. | 50 °C |
| Dimensions | |
| Width | 45 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weights | |
| Weight, approx. | 165 g |
| Other | |
| Data for selecting a current transformer | |
| Burden power current transformer x/1A, min. | As a function of cable length and cross section, see device manual |
| Burden power current transformer x/5A, min. | As a function of cable length and cross section, see device manual |
| Approvals / Certificates | |