https://www.phoenixcontact.com/pi/products/2708339 FO converters - PSI-MOS-RS485W2/FO 850 E - 2708339 Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid (http://phoenixcontact.com/download) FO converter with integrated optical diagnostics, alarm contact, for RS-485 2-wire bus systems (SUCONET K, Modbus ...) up to 500 kbps, NRZ coding, terminal device with one FO interface (BFOC), 850 nm, for PCF/ fiberglass cable (multimode) Your advantages  Can be combined with the PSI copper repeater in a modular way using DIN rail connectors  Supply voltage and data signals routed through via DIN rail connectors  Connections can be plugged in using a COMBICON screw terminal block  Automatic data rate detection or fixed data rate setting via DIP switches  High-quality electrical isolation between all interfaces (RS-485 // fiber optic ports // power supply // DIN rail connector)  Redundant power supply possible by means of optional system power supply unit  Approved for use in zone 2  Intrinsically safe fiber optic interface (Ex op is) for direct connection to devices in zone 1  Integrated optical diagnostics for continuous monitoring of fiber optic paths  Floating switch contact for leading alarm generation in relation to critical fiber optic paths  Suitable for data rates up to 500 kbps  Shipbuilding approval in accordance with DNV GL Key Commercial Data Packing unit 1 pc GTIN GTIN 4017918974039 Technical data Note EMC: class A product, see manufacturer's declaration in the download Utilization restriction area Dimensions Width 35 mm 06/02/2019   Page 1 / 7

https://www.phoenixcontact.com/pi/products/2708339 FO converters - PSI-MOS-RS485W2/FO 850 E - 2708339 Technical data Dimensions Height 99 mm Depth 105 mm Ambient conditions Ambient temperature (operation) -20 °C ... 60 °C Ambient temperature (storage/transport) -40 °C ... 85 °C Permissible humidity (operation) 30 % ... 95 % (non-condensing) Altitude 5000 m (For restrictions see manufacturer's declaration) Degree of protection IP20 Noise immunity EN 61000-6-2:2005 General Bit delay ≤ 1 bit Bit distortion, input ± 35 % (permitted) Bit distortion, output < 6.25 % Electrical isolation VCC // RS-485 Test voltage data interface/power supply 1.5 kV (50 Hz, 1 min.) rms Electromagnetic compatibility Conformance with EMC Directive 2014/30/EU Noise emission EN 55011 Net weight 254.3 g Housing material PA 6.6-FR Color green 272 Years (Telcordia standard, 25°C temperature, 21% operating cycle MTBF (5 days a week, 8 hours a day)) 44 Years (Telcordia standard, 40°C temperature, 34.25% operating cycle (5 days a week, 12 hours a day)) Conformance CE-compliant  II 3 G Ex nA nC IIC T4 Gc X (Please follow the special installation ATEX instructions in the documentation!)  II (2) G [Ex op is Gb] IIC (PTB 06 ATEX 2042 U) (Please follow the special installation instructions in the documentation!)  II (2) D [Ex op is Db] IIIC (PTB 06 ATEX 2042 U) (Please follow the special installation instructions in the documentation!) UL, USA/Canada Class I, Zone 2, AEx nc IIC T5 Class I, zone 2, Ex nC nL IIC T5 X Class I, Div. 2, Groups A, B, C, D Power supply Nominal supply voltage 24 V DC (With UL approval) Supply voltage range 18 V DC ... 30 V DC Max. current consumption 130 mA Typical current consumption 120 mA (24 V DC) Connection method COMBICON plug-in screw terminal block Serial interface 06/02/2019   Page 2 / 7

https://www.phoenixcontact.com/pi/products/2708339 FO converters - PSI-MOS-RS485W2/FO 850 E - 2708339 Technical data Serial interface Interface 1 RS-485 interface, 2-wire Operating mode Semi-duplex Connection method Pluggable screw connection File format/coding UART (11/10 bit switchable; NRZ), slip-tolerant Data direction switching Automatic control Transmission medium Copper Transmission length ≤ 1200 m (depending on the data rate, with shielded, twisted data cable) Termination resistor 390 Ω 220 Ω 390 Ω (Can be connected) Conductor cross section solid min. 0.2 mm² Conductor cross section solid max. 2.5 mm² Conductor cross section flexible min. 0.2 mm² Conductor cross section flexible max. 2.5 mm² Conductor cross section AWG min. 24 Conductor cross section AWG max. 14 Serial transmission speed 4.8/ 9.6/ 19.2/ 38.4/ 57.6/ 75/ 93.75/ 115.2/ 136/ 187.5/ 375/ 500 kbps Optical interface FO Transmit capacity, minimum -4 dBm (200/230 µm) -17.6 dBm (50/125 µm) -14 dBm (62,5/125 µm) Minimum receiver sensitivity -32.5 dBm (50/125 µm) -32.5 dBm (62,5/125 µm) -32.1 dBm (200/230 µm) Overrange receiver -3 dBm (200/230 µm) Wavelength 850 nm Transmission length incl. 3 dB system reserve 2800 m (with F-K 200/230 8 dB/km with quick mounting connector) 4200 m (with F-G 50/125 2.5 dB/km) 3300 m (with F-G 62,5/125 3.0 dB/km) Transmission medium PCF fiber Multi-mode fiberglass Transmission protocol Protocol-transparent to the RS-485 interface Connection method B-FOC (ST®) Digital outputs Output name Relay output Output description Alarm output Number of outputs 1 Maximum switching voltage 60 V DC 42 V AC Limiting continuous current 0.46 A 06/02/2019   Page 3 / 7

https://www.phoenixcontact.com/pi/products/2708339 FO converters - PSI-MOS-RS485W2/FO 850 E - 2708339 Technical data Standards and Regulations Electromagnetic compatibility Conformance with EMC Directive 2014/30/EU Type of test Vibration resistance in acc. with EN 60068-2-6/IEC 60068-2-6 Test result 5g, 10...150 Hz, 2.5 h, in XYZ direction Type of test Shock in acc. with EN 60068-2-27/IEC 60068-2-27 Test result 15g, 11 ms period, half-sine shock pulse Noise emission EN 55011 Noise immunity EN 61000-6-2:2005 Free from substances that could impair the application of coating according to P-VW 3.10.7 57 65 0 VW-AUDI-Seat central standard Connection in acc. with standard CUL Standards/regulations EN 61000-4-2 Contact discharge ± 6 kV Standards/regulations EN 61000-4-3 EN 61000-4-4 Comments Criterion B Standards/regulations EN 61000-4-5 Signal ± 1 kV Standards/regulations EN 55011 EN 61000-4-6 Shock 15g in all directions in acc. with IEC 60068-2-27 Vibration (operation) in acc. with IEC 60068-2-6: 5g, 150 Hz Conformance CE-compliant ATEX  II 3 G Ex nA nC IIC T4 Gc X  II (2) G [Ex op is Gb] IIC (PTB 06 ATEX 2042 U)  II (2) D [Ex op is Db] IIIC (PTB 06 ATEX 2042 U) UL, USA/Canada Class I, Zone 2, AEx nc IIC T5 Class I, zone 2, Ex nC nL IIC T5 X Class I, Div. 2, Groups A, B, C, D Shipbuilding approval DNV GL DNV GL-Temperature B DNV GL-Humidity A DNV GL-Vibration A DNV GL-EMC B Required protection according to the Rules shall be provided upon DNV GL-Enclosure installation on board Noxious gas test ISA-S71.04-1985 G3 Harsh Group A Environmental Product Compliance REACh SVHC Lead 7439-92-1 China RoHS Environmentally Friendly Use Period = 50 For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration” 06/02/2019   Page 4 / 7

https://www.phoenixcontact.com/pi/products/2708339 FO converters - PSI-MOS-RS485W2/FO 850 E - 2708339 Drawings Application drawing Application drawing Max. 31 E Max. 31 Max. 31 E T FO Max. 31 T FO FO E T Max. 31 Max. 31 Max. 31 T FO Point-to-point connection Redundant point-to-point connection Linear structure Redundant point-to-point connection Line structure Application drawing Application drawing Max. 31 max. 31 T T ... T T E ... FO FO max. 31 max. 31 max. 31 max. 31 E E E E E T T ... T T ... T T ... T T ... Max. 31 Star structure Tree structure FO Star structure Tree structure Application drawing max. 31 T T T ... FO T T T max. 31 max. 31 max. 31 Redundant structure Redundant structure 06/02/2019   Page 5 / 7

https://www.phoenixcontact.com/pi/products/2708339 FO converters - PSI-MOS-RS485W2/FO 850 E - 2708339 Block diagram 24V(1) DC gn TD 0V(2) DC FO Line FO Port A 11 (3) Retiming rd RD N Alarm ERR A CO 12 (4) Line Diagnostics Port A BI M OSHD (5) C CTRL GND (6) 390220 390 Bus Management Function/ Data Rate D(B) (7) ye D(A) (8) gn Retiming Line Diagnostics Port B TD FO Line FO Port B*) Retiming rd RD ERR B 24 V 0 V GNDDataData A B DIN Rail Connector *) only for PSI-MOS-RS485 W2/FO...T *) only with PSI-MOS.../FO...T Approvals Approvals Approvals DNV GL / UL Recognized / cUL Recognized / EAC / EAC / KC / cULus Recognized Ex Approvals UL Listed / cUL Listed / null / null / cULus Listed Approval details  DNV GL   http://exchange.dnv.com/tari/  TAA00001KR  UL Recognized   http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm  FILE E 238705  cUL Recognized   http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm  FILE E 238705  EAC     EAC-Zulassung 06/02/2019   Page 6 / 7

https://www.phoenixcontact.com/pi/products/2708339 FO converters - PSI-MOS-RS485W2/FO 850 E - 2708339 Approvals   RU *- EAC    DE.A*30.B.01735   KCC-REI-PCK- KC   http://eng.kcc.go.kr/user/ehpMain.do FOCVT270  cULus Recognized      Phoenix Contact 2019 © - all rights reserved http://www.phoenixcontact.com PHOENIX CONTACT GmbH & Co. KG Flachsmarktstr. 8 32825 Blomberg Germany Tel. +49 5235 300 Fax +49 5235 3 41200 http://www.phoenixcontact.com 06/02/2019   Page 7 / 7