The performance and availability of bus systems can be significantly increased by using repeaters. In addition to electrical isolation, bus segmentation with repeaters makes it possible to multiply the permissible coverage of the network and to extend the number of devices.
PSI-REP-RS485W2
-
Repeater
2313096
Modular repeater for electrical isolation and range increase in RS-485 2-wire bus systems up to 500 kbps, 4-way isolation, rail-mountable, supply 24 V DC
Product details
| Note on application | |
| Note on application | Only for industrial use |
| Utilization restriction | |
| CCCex note | Use in potentially explosive areas is not permitted in China. |
| MTTF | 1439 Years (SN 29500 standard, temperature 25°C, operating cycle 21%) |
| 717 Years (SN 29500 standard, temperature 40°C, operating cycle 34.25%) | |
| 305 Years (SN 29500 standard, temperature 40°C, operating cycle 100%) | |
| MTBF | 1247 Years (Telcordia standard, 25°C temperature, 21% operating cycle (5 days a week, 8 hours a day)) |
| 261 Years (Telcordia standard, 40°C temperature, 34.25% operating cycle (5 days a week, 12 hours a day)) |
| Electrical isolation | VCC // TBUS // RS-485 (A) // RS-485 (B) |
| Maximum power dissipation for nominal condition | 1.8 W |
| Test voltage data interface/power supply | 1.5 kVrms (50 Hz, 1 min.) |
| Test voltage data interfaces | 1.5 kV |
| Supply | |
| Supply voltage range | 18 V DC ... 30 V DC (via pluggable COMBICON screw terminal block) |
| Nominal supply voltage | 24 V DC |
| Typical current consumption | 75 mA (24 V DC ) |
| Max. current consumption | ≤ 2 A (For operation in a joining station, via the DIN rail connector) |
| Supply | |
| Stripping length | 7.00 mm |
| Tightening torque | 0.6 Nm ... 0.8 Nm |
| Bit distortion, input | max. ± 35 % |
| Bit distortion, output | < 6.25 % |
| Bit delay | < 1 bit |
| Signal | Modbus |
| Transmission channels | 2 (1/1), TD, RD, half duplex |
| Data: RS-485 interface, in acc. with EIA/TIA-485, DIN 66259-4/RS-485 2-wire | |
| Transmission speed | 4.8/9.6/19.2/38.4/57.6/75/93.75/115.2/136/187.5/375/500 kbps (Can be set manually) |
| Connection method | Pluggable screw connection |
| Transmission length | ≤ 1200 m (depends on transmission speed, bus system and cable type) |
| Termination resistor | 390 Ω (Can be connected to port A and B) |
| 150 Ω | |
| 390 Ω | |
| 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 |
| Single-wire/terminal point, rigid AWG max. | 12 |
| Single-wire/terminal point, rigid AWG min. | 24 |
| Transmission medium | 2-wire twisted pair, shielded |
| File format/coding | UART (11/10 bit switchable; NRZ) |
| Data direction switching | Automatic control, min. station response time 2 bits |
| Dimensional drawing |
|
| Width | 35 mm |
| Height | 99 mm |
| Depth | 105 mm |
| Color (Housing) | gray (RAL 7042) |
| 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 | Vibration (operation): 5g, 10...150 Hz, 2.5 h, in XYZ direction |
| Shock in accordance with EN 60068-2-27/IEC 60068-2-27 | Shock (operation): 15g, 11 ms period, half-sine shock pulse |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -20 °C ... 60 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Altitude | ≤ 5000 m (For restrictions, see the manufacturer's declaration for altitude operation) |
| ≤ 2000 m (Hazardous locations) | |
| Permissible humidity (operation) | 10 % ... 95 % (non-condensing) |
| CE | |
| Certificate | CE-compliant |
| ATEX | |
| Identification | II 3 G Ex ec IIC T5 Gc |
| Certificate | UL 21 ATEX 2550X |
| Note | Please follow the special installation instructions in the documentation! |
| IECEx | |
| Identification | Ex ec IIC T5 Gc |
| Certificate | IECEx ULD 21.0013X |
| UL, USA/Canada | |
| Identification | Class I, Zone 2, AEx ec IIC T5 Gc |
| Ex ec IIC T5 Gc X | |
| Class I, Div. 2, Groups A, B, C, D | |
| Corrosive gas test | |
| Identification | ISA-S71.04-1985 G3 Harsh Group A |
| Electromagnetic compatibility | Conformance with EMC Directive 2014/30/EU |
| Noise immunity | EN 61000-4-2 |
| Noise emission | |
| Standards/regulations | EN 55011 |
| Electrostatic discharge | |
| Standards/regulations | EN 61000-4-2 |
| Electrostatic discharge | |
| Contact discharge | ± 6 kV |
| Discharge in air | ± 8 kV |
| Comments | Criterion B |
| Electromagnetic HF field | |
| Standards/regulations | EN 61000-4-3 |
| Electromagnetic HF field | |
| Frequency range | 80 MHz ... 3 GHz |
| Field intensity | 10 V/m |
| Comments | Criterion A |
| Fast transients (burst) | |
| Standards/regulations | EN 61000-4-4 |
| Fast transients (burst) | |
| Input | ± 2 kV |
| Signal | ± 2 kV |
| Comments | Criterion B |
| Surge current load (surge) | |
| Standards/regulations | EN 61000-4-5 |
| Surge current load (surge) | |
| Input | ± 0.5 kV |
| Signal | ± 1 kV |
| Comments | Criterion B |
| Conducted interference | |
| Standards/regulations | EN 61000-4-6 |
| Conducted interference | |
| 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. |
| Free from substances that could impair the application of coating | VDMA 24364:2018-05 |
| Standards/regulations | EN 62368 |
| Mounting type | DIN rail mounting |
cULus Recognized
Approval ID: E238705cUL Listed
Approval ID: E199827UL Listed
Approval ID: E199827IECEx
Approval ID: IECEx ULD 21.0013XATEX
Approval ID: UL 21 ATEX 2550X
Your advantages
Data rates of up to 500 kbps (adjustable via DIP switches)
High-quality 4-way isolation between all interfaces
Bit oversampling for reliable detection of sporadic disturbances
Bit retiming for unrestricted cascading of devices
Integrated, connectable termination resistors
Can be combined with PSI-MOS FO converters in a modular way thanks to DIN rail connectors
Approved for use in zone 2