The RS-485 standard allows more than two devices to communicate with one another. Converting the V.24 (RS-232) point-to-point interface into the bus-capable RS-485 standard makes it possible to network up to 32 devices via a 2- or 4-wire cable.
PSM-ME-RS232/RS485-P
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Interface converter
2744416
Interface converter, for converting RS-232 (V.24) to RS-422 (V.11) and RS-485, with electrical isolation, 2 channels, DIN-rail mountable. Product is being prepared for compliance with the Cyber Resilience Act (CRA).
Detalhes dos produtos
| Note on application | Only for industrial use |
| Note on application | As things stand now, we are preparing the product so that, as of December 11, 2027, it will comply with the requirements of the EU Cyber Resilience Act (CRA) based on the information currently available regarding the CRA. |
| Utilization restriction | |
| CCCex note | Use in potentially explosive areas is not permitted in China. |
| Product type | Interface converter |
| Application | RS-232 |
| RS-422 | |
| RS-485 | |
| MTTF | 1654 Years (SN 29500 standard, temperature 25°C, operating cycle 21%) |
| 746 Years (SN 29500 standard, temperature 40°C, operating cycle 34.25%) | |
| 310 Years (SN 29500 standard, temperature 40°C, operating cycle 100%) | |
| MTBF | 10 Years (Telcordia standard, temperature 40 °C, operating cycle 100 % (7 days a week, 24 hours a day)) |
| Insulation characteristics | |
| Pollution degree | 2 |
| Electrical isolation | VCC // V.24 (RS-232) // RS-485 |
| Maximum power dissipation for nominal condition | 2.04 W |
| Test voltage data interface/power supply | 1.5 kV AC |
| 1.5 kV AC | |
| Test voltage data interfaces | 1.5 kV AC |
| Supply | |
| Supply voltage range | 19.2 V AC/DC ... 28.8 V AC/DC (via pluggable COMBICON screw terminal block) |
| Nominal supply voltage | 24 V AC/DC ±20 % |
| Typical current consumption | 25 mA (24 V DC) |
| Supply | |
| Single conductor/terminal point, rigid | 0.2 mm² ... 2.5 mm² |
| Single-wire/terminal point, flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross-section, flexible [AWG] | 24 ... 12 |
| Stripping length | 7.00 mm |
| Tightening torque | 0.56 Nm ... 0.79 Nm |
| Interface | RS-232/-485 |
| Bit distortion | ≤ 5 % |
| Bit delay | ≤ 2.5 µs |
| Signal | Modbus |
| Transmission channels | 2 (1/1), RxD, TxD, full duplex |
| Data: V.24 (RS-232) interface in acc. with ITU-T V.28, EIA/TIA-232, DIN 66259-1 | |
| Serial transmission speed | 1.2; 2.4; 4.8; 7.2; 9.6; 19.2; 31.25; 38.4; 57.6; 75; 93.75; 115.2 kbps |
| Connection method | D-SUB 9 plug |
| Pin assignment | DTE/DCE switchover via switch |
| Transmission length | 15 m (shielded twisted pair) |
| Single conductor/terminal point, rigid | 0.2 mm² ... 2.5 mm² |
| Single-wire/terminal point, flexible | 0.2 mm² ... 2.5 mm² |
| Max. AWG conductor cross-section, flexible | 12 |
| Min. AWG conductor cross-section, flexible | 24 |
| Protocols supported | transparent protocol |
| Data: RS-422 interface in acc. with ITU-T V.11, EIA/TIA-422, DIN 66348-1 | |
| Serial transmission speed | 1.2; 2.4; 4.8; 9.6; 19.2; 38.4; 57.6; 75; 93.75; 115.2 kbps |
| Connection method | Pluggable screw connection |
| Tightening torque | 0.5 Nm ... 0.6 Nm (Shield clamp) |
| Transmission length | 1200 m (shielded twisted pair) |
| Termination resistor | 390 Ω |
| 150 Ω | |
| 390 Ω (Can be connected) | |
| Single-wire/terminal point, flexible | 0.2 mm² ... 2.5 mm² |
| Max. AWG conductor cross-section, flexible | 13 |
| Min. AWG conductor cross-section, flexible | 24 |
| Stripping length | 7 mm |
| Protocols supported | transparent protocol |
| Data: RS-485 interface in acc. with EIA/TIA-485, DIN 66259-1 | |
| Serial transmission speed | 1.2; 2.4; 4.8; 9.6; 19.2; 38.4; 57.6; 75; 93.75; 115.2 kbps |
| Connection method | Pluggable screw connection |
| Transmission length | 1200 m (shielded twisted pair) |
| Termination resistor | 390 Ω |
| 150 Ω | |
| 390 Ω (Can be connected) | |
| Single-wire/terminal point, flexible | 0.2 mm² ... 2.5 mm² |
| Max. AWG conductor cross-section, flexible | 14 |
| Min. AWG conductor cross-section, flexible | 24 |
| Data direction switching | Automatic control or via RTS/CTS |
| Protocols supported | transparent protocol |
| Dimensional drawing |
|
| Width | 22.5 mm |
| Height | 99 mm |
| Depth | 114.5 mm |
| Color (Housing) | green (RAL 6021) |
| Material (Housing) | PA 6.6-FR |
| Free fall in accordance with IEC 60068-2-32 | Free fall: 1 m |
| Vibration resistance in accordance with EN 60068-2-6/IEC 60068-2-6 | Operation: 5g, 10...150 Hz, 2.5 h, in XYZ direction |
| Shock in accordance with EN 60068-2-27/IEC 60068-2-27 | Operation: 25g, 11 ms period, half-sine shock pulse |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 70 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Altitude | ≤ 5000 m (For restrictions, see the manufacturer's declaration for altitude operation) |
| Permissible humidity (operation) | 10 % ... 95 % (non-condensing) |
| CE | |
| Certificate | CE-compliant |
| ATEX | |
| Identification | II 3 G Ex ec IIC T4 Gc |
| Certificate | IBExU16ATEXB004 X |
| Note | Please follow the special installation instructions in the documentation! |
| IECEx | |
| Identification | Ex ec IIC T4 Gc |
| Certificate | IECEx IBE 15.0034X |
| UL, USA/Canada | |
| Identification | 508 Recognized |
| Class I, Zone 2, AEx nA IIC T4 | |
| Ex nA IIC T4 Gc X | |
| Class I, Div. 2, Groups A, B, C, D T4 | |
| KC approval for South Korea | |
| Certificate | MSIP-REI-PCK-ME2744416 |
| Corrosive gas test | |
| Identification | ISA-S71.04-1985 G3 Harsh Group A |
| Shipbuilding | |
| Identification | DNV GL |
| Shipbuilding data | |
| Temperature | B |
| Humidity | A |
| Vibration | A |
| EMC | B |
| Enclosure | Required protection according to the Rules shall be provided upon installation on board |
| Electromagnetic compatibility | Conformance with EMC Directive 2014/30/EU |
| Noise immunity | EN 61000-6-2:2005 |
| Noise emission | |
| Standards/regulations | EN 61000-6-4 |
| Electrostatic discharge | |
| Standards/regulations | EN 61000-4-2 |
| Electrostatic discharge | |
| Contact discharge | ± 6 kV (Test Level 3) |
| Discharge in air | ± 8 kV (Test Level 3) |
| Comments | Criterion B |
| Electromagnetic HF field | |
| Standards/regulations | EN 61000-4-3 |
| Electromagnetic HF field | |
| Frequency range | 26 MHz ... 3 GHz (Test Level 3) |
| Field intensity | 10 V/m |
| Comments | Criterion A |
| Fast transients (burst) | |
| Standards/regulations | EN 61000-4-4 |
| Fast transients (burst) | |
| Input | ± 2.2 kV (Test Level 3) |
| Signal | ± 2.2 kV (Test Level 3) |
| Comments | Criterion B |
| Surge current load (surge) | |
| Standards/regulations | EN 61000-4-5 |
| Surge current load (surge) | |
| Input | ± 0.5 kV (DC supply) |
| Signal | ± 1 kV (Data line, asymmetrical) |
| Comments | Criterion B |
| Conducted interference | |
| Standards/regulations | EN 61000-4-6 |
| Conducted interference | |
| Frequency range | 0.15 MHz ... 80 MHz |
| Comments | Criterion A |
| Voltage | 10 V |
| Emitted interference | |
| Standards/regulations | EN 55011 |
| Comments | Class A, industrial applications |
| Criteria | |
| Criterion A | Normal operating behavior within the specified limits. |
| Criterion B | Temporary impairment to operational behavior that is corrected by the device itself. |
| Mounting type | DIN rail mounting |
| Mounting position | On horizontal DIN rail |
UL Recognized
ID de certificação: E238705DNV GL
ID de certificação: TAA00001KR_7KC
ID de certificação: MSIP-REI-PCK-ME27444cUL Recognized
ID de certificação: E199827| Tensão nominal UN | Corrente nominal IN | Secção transversal American Wire Gauge | Secção transversal mm2 | |
|---|---|---|---|---|
| keine | ||||
| 24 V | 0.085 A | |||
cUL Listed
ID de certificação: E199827UL Listed
ID de certificação: E199827
Vantagens
Mounting on standard EN DIN rails
Transmission speed of 4.8 Kbps ... 115.2 Kbps
High-quality 3-way isolation between power supply, RS-232, and RS-422/RS-485 for safe decoupling of potentials with 2 kV
RS-422 4-wire point-to-point operation
RS-485 2-wire operation, half duplex
RS-485 4-wire operation, full duplex
Automatic RS-485 transmit/receive changeover
Integrated data indicator for dynamic indication of transmit and receive data
Integrated surge protection with transient discharge to the DIN rail
Shipbuilding approval in accordance with DNV GL
