Properties
| Version | Power measurement/display for 1-phase mains, 45 A, direct measurement, pulse output,, Modbus RTU |
| Order No. | 7760051001 |
| Type | EM111-RTU-2P |
| GTIN (EAN) | 6944169818172 |
| Qty. | 1 items |
| Depth | 62 mm |
| Depth (inches) | 2.441 inch |
| Height | 90 mm |
| Height (inches) | 3.543 inch |
| Width | 17.5 mm |
| Width (inches) | 0.689 inch |
| Net weight | 90 g |
| Storage temperature | -40 °C...70 °C |
| Operating temperature | -25 °C...55 °C |
| Humidity | 0...90 % (no condensation) |
| AC input cable connection | 1 removable 3-pin terminal block |
| Current-measuring channels | 1 |
| Max. current | 45 A |
| Measuring accuracy for current | 0.5 % |
| Rated current | 5 A |
| Frequency range, max. | 60 Hz |
| Frequency range, min. | 50 Hz |
| Low voltage network | 1 phase 2 wire (L + N) |
| Measurement range, voltage L-N, AC | 176…276 V |
| Measuring accuracy for voltage | 0.5 % |
| Voltage type | AC |
| Addressing | 1 - 247 |
| Baud rate | ≤ 9600 Bd |
| Communication | Bi-directional |
| Parity |
none
even odd |
| Stop bits |
1
2 |
| Interface | RS485 |
| Protocol | Modbus RTU |
| Digital output configurable | Yes |
| Input type | 1 phase AC (L1, N) |
| Number of pulse outputs | 2 |
| Update interval register | 100 ms |
| Software | EM configuration tools |
| Display | LCD |
| Display monitoring (monitor) | LCD digital |
| Display value |
Voltage
current measured value Apparent power Reactive power Power factor Frequency Import / export active power demand Total import / export active energy Total import / export reactive energy Total system power demand |
| Input frequency | AC: 50 Hz (arithmetic average) |
| Max. current | 45 A |
| Measurement accuracy |
Class 1 (IEC 62053-21)
Class B (EN 50470-3) 0.5% in relation to final value (U / I) |
| Pollution severity | 2 |
| Power factor input | 1 % |
| Protection degree |
IP20
Front panel: IP51 |
| Rated current | 5 A |
| Type of mounting | DIN rail |
| Version |
Power measurement/display for 1-phase mains
45 A direct measurement pulse output, Modbus RTU |
| Measurement range, voltage L-N, AC | 176…276 V |
| Surge voltage category | II |
| Sampling frequency 50/60 Hz | 3.2 kHz |
| Measurement result per second | 100 ms |
| Current-measuring channels | 1 |
| Measuring accuracy for voltage | 0.5 % |
| Measuring accuracy for current | 0.5 % |
| Measurement accuracy for active energy (kWh, .../5 A) |
Class 1 (IEC 62053-21)
Class B (EN 50470-3) |
| Impulse withstand voltage | 6 kV (1.2/50 µs) |
| Insulation voltage input or output/supply | 4 kVeff / 1 min. |
| Pollution severity | 2 |
| Surge voltage category | II |
| Stripping length | 8 mm |
| Type of connection | Screw connection |
| Wire connection cross section, finely stranded, min. | 2.5 mm² |
| Wire connection cross section, finely stranded, max. | 10 mm² |
| Wire connection cross section, finely stranded, two clampable wires, min. | 2.5 mm² |
| Wire cross-section, finely stranded, two clampable wires, max. | 10 mm² |
| Approval/Certificate/Document of Conformity | [Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_246620) |
| Engineering Data | [CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_229373) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=7760051001) |
| Software |
[EM configuration tools](https://mdcop.weidmueller.com/mediadelivery/asset/900_224560)
[Device description -- Device description -- MODBUS address list](https://mdcop.weidmueller.com/mediadelivery/asset/900_246622) |
| User Documentation |
[Manual EM configuration tools Chinese](https://mdcop.weidmueller.com/mediadelivery/asset/900_224564)
[Manual EM configuration tools English](https://mdcop.weidmueller.com/mediadelivery/asset/900_224565) [Manual EM111 English](https://mdcop.weidmueller.com/mediadelivery/asset/900_224569) [Manual EM111 Chinese](https://mdcop.weidmueller.com/mediadelivery/asset/900_306924) |
| Catalogues | [Catalogues in PDF-format](LINK/Catalog.html) |
| ETIM 6.0 | EC002301 |
| ETIM 7.0 | EC002301 |
| ETIM 8.0 | EC002301 |
| ETIM 9.0 | EC002301 |
| ECLASS 9.0 | 27-14-23-30 |
| ECLASS 9.1 | 27-21-03-01 |
| ECLASS 10.0 | 27-14-23-30 |
| ECLASS 11.0 | 27-14-23-30 |
| ECLASS 12.0 | 27-14-23-30 |
| ECLASS 13.0 | 27-14-23-30 |
| Approvals |  |
| ROHS | Conform |