Properties
| Version | Power measurement/display for 1-, 3-phase mains, use of CT, pulse output,, digital input/output,, Modbus RTU |
| Order No. | 7760051005 |
| Type | EM220-RTU-4DI2DO |
| GTIN (EAN) | 6944169818219 |
| Qty. | 1 items |
| Depth | 74 mm |
| Depth (inches) | 2.913 inch |
| Height | 96 mm |
| Height (inches) | 3.78 inch |
| Width | 96 mm |
| Width (inches) | 3.78 inch |
| Net weight | 360 g |
| Storage temperature | -40 °C...70 °C |
| Operating temperature | -25 °C...55 °C |
| Humidity | 0...90 % (no condensation) |
| Current-measuring channels | 3 |
| Max. current | 9999 A |
| Measuring accuracy for current | 0.5 % |
| Rated current | via current transformer 1 A/5 A |
| Four-wire system | Yes |
| Frequency range, max. | 65 Hz |
| Frequency range, min. | 45 Hz |
| Low voltage network |
1 phase 2 wire (L + N)
1 phase 2 wire (L1 + L2) 3 phase 3 wire (L1 + L2 + L3) 3 phase 4 wire (L1 + L2 + L3 + N) |
| Measurement range, voltage L-L, AC | 50…600 V |
| Measurement range, voltage L-N, AC | 50…345 V |
| Measuring accuracy for voltage | 0.5 % |
| Three-wire system | Yes |
| Voltage type | AC |
| Parity |
none
even odd |
| Stop bits |
1
2 |
| Interface | RS485 |
| Protocol | Modbus RTU |
| Digital output configurable | Yes |
| Input type |
3 phase AC (3P, 3P +N)
Secondary side of a current transformer 0-1 A or 0-5 A |
| Number of digital inputs | 4 |
| Number of digital outputs | 2 |
| Temperature input | No |
| Update interval register | 1 s |
| Software | EM configuration tools |
| 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 |
| Max. current | 9999 A |
| Pollution severity | 2 |
| Power factor input | ± 0.01 |
| Protection degree |
IP20
Front panel: IP51 |
| Rated current | via current transformer 1 A/5 A |
| Type of mounting | Frontpanel mounting |
| Version |
Power measurement/display for 1-, 3-phase mains
use of CT pulse output, digital input/output, Modbus RTU |
| Measurement range, voltage L-N, AC | 50…345 V |
| Measurement range, voltage L-L, AC | 50…600 V |
| Surge voltage category | III |
| Voltage supply |
75…270 V AC
100…380 V DC |
| Three-wire system | Yes |
| Four-wire system | Yes |
| Sampling frequency 50/60 Hz | 14.4 kHz |
| Continuous measurements | Yes |
| Measurement result per second | 1 s |
| Current-measuring channels | 3 |
| Measuring accuracy for voltage | 0.5 % |
| Measuring accuracy for current | 0.5 % |
| Measurement accuracy for active energy (kWh, .../5 A) |
Class 0.5S (IEC 62053-22)
Class 0.5 (IEC 61557-12) |
| Clock | Yes |
| Pollution severity | 2 |
| Surge voltage category | III |
| Stripping length | 8 mm |
| Type of connection | Screw connection |
| Wire cross-section, solid, min. | 0.5 mm² |
| Wire cross-section, solid, max. | 2.5 mm² |
| Wire connection cross section, finely stranded, min. | 0.5 mm² |
| Wire connection cross section, finely stranded, max. | 2.5 mm² |
| Wire connection cross section, finely stranded, two clampable wires, min. | 0.5 mm² |
| Wire cross-section, finely stranded, two clampable wires, max. | 2.5 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_245591) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=7760051005) |
| Software |
[EM configuration tools](https://mdcop.weidmueller.com/mediadelivery/asset/900_224560)
[MODBUS address list](https://mdcop.weidmueller.com/mediadelivery/asset/900_246625) |
| User Documentation |
[Manual EM220 English](https://mdcop.weidmueller.com/mediadelivery/asset/900_224563)
[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 EM220 Chinese](https://mdcop.weidmueller.com/mediadelivery/asset/900_306013) |
| 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 |