https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page1/18
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)
Product Description
The PSI-MOS-RS485W2/FO... FO converters convert the electrical data signal into an optical one by protocol transparent means.
The integrated optical diagnostics allow permanent monitoring of the FO paths during installation and also during operation. The floating switch contact
is activated when the signal output on the fiber optic paths drops to a critical level.
The PSI-MOS-RS485W2/FO... E termination devices convert an RS-485 interface to a fiber optic cable. They are ideal for point-to-point connections.
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 the DIN rail connectors
Connections can be plugged in via 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 FO paths
Floating switch contact for advance warning of critical FO 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
Weight per Piece (excluding packing) 230.200 g
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page2/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Custom tariff number 85176200
Country of origin Germany
Technical data
Note
Utilization restriction EMC: class A product, see manufacturer's declaration in the download
area
Use in potentially explosive areas is not permitted in China.
Dimensions
Width 35 mm
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 the manufacturer's declaration for altitude
operation)
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 kVrms (50Hz, 1min.)
Electromagnetic compatibility Conformance with EMC Directive 2014/30/EU
Noise emission EN 55011
Mounting type DIN rail mounting
Net weight 254.3 g
Housing material PA 6.6-FR
Color green
MTBF 272 Years (Telcordia standard, 25°C temperature, 21% operating cycle (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))
Power supply
Nominal supply voltage 24 VDC (in acc. with UL)
Supply voltage range 18 VDC ... 30 VDC (via pluggable COMBICON screw terminal block)
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page3/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Technical data
Power supply
Max. current consumption 130 mA
≤ 2 A (For operation in a connection station, via the DIN rail connector)
Typical current consumption 120 mA (24VDC)
Connection method COMBICON plug-in screw terminal block
Interfaces
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
No. of channels 1
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 length min. 1 m ()
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page4/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Technical data
Optical interface FO
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 (peak)
Limiting continuous current 0.46 A
Conformance/approvals
Designation CE
Certificate CE-compliant
Designation EAC
Identification EAC
Designation ATEX
Identification  II 3 G Ex nA nC IIC T4 Gc X
Additional text Please follow the special installation instructions in the documentation!
Designation ATEX, FO interface
Identification  II (2) G [Ex op is Gb] IIC
 II (2) D [Ex op is Db] IIIC
Certificate PTB06ATEX2042U
Additional text Please follow the special installation instructions in the documentation!
Designation UL, USA/Canada
Identification 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
Designation Corrosive gas test
Identification ISA-S71.04-1985 G3 Harsh Group A
Designation Shipbuilding
Identification DNV GL
Temperature B
Humidity A
Vibration A
EMC B
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page5/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Technical data
Conformance/approvals
Enclosure Required protection according to the Rules shall be provided upon
installation on board
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
Designation Air clearances and creepage distances
Standards/regulations DINEN60664-1
VDE 0110-1
DINEN50178
EN60950
Environmental Product Compliance
REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50 years
For details about hazardous substances go to tab “Downloads”, Category
“Manufacturer's declaration”
Drawings
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page6/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Application drawing
E
E
max. 31
max. 31
FO
Point-to-point connection
Application drawing
E
E
max. 31
max. 31
FO
Redundant point-to-point connection
Application drawing
E
T
T
FO
FO
FO
max. 31
max. 31
max. 31
Line structure
Application drawing
T T E
EEEEE
...
FO
max. 31
max. 31
Star structure
Application drawing
T T
T TT T T T T T
...
... ... ... ...
max.31 max.31 max.31 max.31
max.31
FO
FO
Tree structure
Application drawing
T T T
TT T ...
max.31
max.31 max.31 max.31
FO
Redundant structure
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page7/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Block diagram
ERRB
ERRA
(1)
(2)
24V
0V
11(3)
12(4)
CTRL
390 220 390
DC
DC
D(A)(8)
D(B)(7)
GND(6)
SHD(5)
24V 0V GND Data
A
Data
B
gn
rd
rd
ye
gn
LineDiagnosticsPortA
LineDiagnosticsPortB
BusManagement
FOPortA
FOPortB*)
DINRailConnector *)onlyforPSI-MOS-RS485W2/FO...T
Retiming
Retiming
Retiming
Alarm
COMBICON
Function/
DataRate
TD
RD
TD
RD
FOLine
FOLine
*) only with PSI-MOS.../FO...T
Classifications
eCl@ss
eCl@ss 10.0.1 19170132
eCl@ss 11.0 19170411
eCl@ss 4.0 27230200
eCl@ss 4.1 27230200
eCl@ss 5.0 27230200
eCl@ss 5.1 27230200
eCl@ss 6.0 19179200
eCl@ss 7.0 19179290
eCl@ss 9.0 19170114
ETIM
ETIM 2.0 EC001423
ETIM 3.0 EC001423
ETIM 4.0 EC001423
ETIM 6.0 EC001467
ETIM 7.0 EC001467
UNSPSC
UNSPSC 6.01 30211506
UNSPSC 7.0901 39121008
UNSPSC 11 39121008
UNSPSC 12.01 39121008
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page8/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Classifications
UNSPSC
UNSPSC 13.2 43222604
UNSPSC 18.0 43223323
UNSPSC 19.0 43223323
UNSPSC 20.0 43223323
UNSPSC 21.0 43223323
Approvals
Approvals
Approvals
DNV GL / UL Recognized / cUL Recognized / EAC / KC / EAC / UL Recognized / cUL Recognized / EAC / DNV GL / EAC / KC
Ex Approvals
UL Listed / cUL Listed / UL Listed / cUL Listed / ATEX / ATEX / ATEX / ATEX
Approval details
DNV GL https://approvalfinder.dnvgl.com/ 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
KC http://eng.kcc.go.kr/user/ehpMain.do KCC-REI-PCK-
FOCVT270
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page9/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Approvals
EAC EAC-Zulassung
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 RU *-
DE.A*30.B.01735
DNV GL https://approvalfinder.dnvgl.com/ TAA00001KR
EAC RU *-
DE.A*30.B.01735
KC http://eng.kcc.go.kr/user/ehpMain.do KCC-REI-PCK-
FOCVT270
Accessories
Accessories
Adapter
Connection distributor-PSM PTK-2760623
Passive RS-485 T-distributor, fitted with one 9-pin D-SUB pin strip and two 9-pin D-SUB socket strips
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page10/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Accessories
Connection distributor-PSM PTK-4-2799364
Passive RS-485 T-distributor, fitted with one 9-pin D-SUB pin strip and five 9-pin D-SUB socket strips
Data cable by the meter
FO cable-PSM-LWL-HCS-RUGGED-200/230-2799885
PCF cable, duplex 200µm/230µm, by the meter without male connector, for installation in stationary systems and
machines
FO cable-PSM-LWL-HCSO-200/230-2799445
PCF cable, duplex 200/230 µm, by the meter, without connector, for outdoor installation
FO cable-PSM-LWL-GDM-RUGGED- 50/125-2799322
Fiber glass cable, duplex 50µm/125µm, by the meter, without male connector, for installation in stationary systems and
machines
FO cable-PSM-LWL-GDO- 50/125-2799432
Fiberglass cable, duplex 50/125 µm, by the meter, without connector, for outdoor installation
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page11/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Accessories
Bus system cable-PSM-CABLE-PROFIB/FC-2744652
By the meter, Bus system cable, PROFIBUS (12 Mbps), shielded, PVC FR VI/PVC, Violet, 2-wire (1X2XAWG22/1), color
single wire: Red, green, cable length: Free entry (1.0 ... 1000.0 m)
Data cable preassembled
FO patch cable-FOC-ST:PA-SC:PA-OM2:D01/1-1115574
Multi-mode OM2 duplex jumper, ST-SC, UPC polishing, length 1m
FO patch cable-FOC-ST:PA-SC:PA-OM2:D01/2-1115573
Multi-mode OM2 duplex jumper, ST-SC, UPC polishing, length 2m
FO patch cable-FOC-ST:PA-ST:PA-OM2:D01/1-1115560
Multi-mode OM2 duplex jumper, ST-ST, UPC polishing, length 1m
FO patch cable-FOC-ST:PA-ST:PA-OM2:D01/2-1115557
Multi-mode OM2 duplex jumper, ST-ST, UPC polishing, length 2m
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page12/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Accessories
Fiber optic cable-FOC-LC:PA-ST:PA-OM2:D01/1-1115588
Multi-mode OM2 duplex jumper, LC-ST, UPC polishing, length 1m
Fiber optic cable-FOC-LC:PA-ST:PA-OM2:D01/2-1115587
Multi-mode OM2 duplex jumper, LC-ST, UPC polishing, length 2m
FO patch cable-FOC-LC:PA-ST:PA-OM1:D01/1-1146499
Multi-mode OM1 duplex jumper, LC-ST, UPC polishing, length 1m
FO patch cable-FOC-LC:PA-ST:PA-OM1:D01/2-1146508
Multi-mode OM1 duplex jumper, LC-ST, UPC polishing, length 2m
FO patch cable-FOC-ST:PA-ST:PA-OM1:D01/1-1146501
Multi-mode OM1 duplex jumper, ST-ST, UPC polishing, length 1m
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page13/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Accessories
FO patch cable-FOC-ST:PA-ST:PA-OM1:D01/2-1146509
Multi-mode OM1 duplex jumper, ST-ST, UPC polishing, length 2m
FO patch cable-FL MM PATCH 1,0 ST-SCRJ-2901820
Assembled FO cable, break out cable, multimode fiberglass 50/125 µm (OM2), connector: B-FOC(ST®) / SC-RJ, degree
of protection: IP20, for installation in cable ducts or control cabinets, length: 1 m
FO patch cable-FL MM PATCH 2,0 ST-SCRJ-2901821
Assembled FO cable, break out cable, multimode fiberglass 50/125 µm (OM2), connector: B-FOC(STⓇ) / SC-RJ, degree
of protection: IP20, for installation in cable ducts or control cabinets, length: 2 m
FO patch cable-FL MM PATCH 5,0 ST-SCRJ-2901822
Assembled FO cable, break out cable, multimode fiberglass 50/125 µm (OM2), connector: B-FOC(STⓇ)/SC-RJ, degree
of protection: IP20, for installation in cable ducts or control cabinets, length: 5 m
FO patch cable-FOC-HCS-RUGGED-1014/IP20/...-2901555
Robust PCF installation cable for assembly (IP20 heads only) for installation in stationary systems and machines, aramid
strain relief elements, with individual elements made from FRNC material, halogen-free, ozone and UV resistant, with a
polyurethane (PUR) outer sheath
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page14/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Accessories
FO patch cable-FOC-HCS-RUGGED-1014/...-1402191
rugged PCF installation cable for inner areas with highly tear-proof aramid strain-relief elements. Individual elements
made from highly flexible FRNC material. The cable is halogen-free, ozone and UV resistant and has a rugged
polyurethane (PUR) outer sheath.
FO patch cable-FOC-HCSO-1015/IP20/...-2901557
Highly rugged PCF round cable (IP20 heads only) for assembly and for outdoor installation with integrated moisture
barrier as well as rodent-proof scrim. Individual elements made from highly flexible FRNC material. The wire is ozone and
UV resistant with a very rugged polyethylene outer sheath.
FO patch cable-FOC-GDM-RUGGED-1016/IP20/...-2901558
Robust GOF installation cable for assembly (IP20 heads only) for installation in stationary systems and machines, aramid
strain-relief elements, with individual elements made from FRNC material, halogen-free, ozone and UV resistant, with a
polyurethane (PUR) outer sheath
FO patch cable-FOC-GDO-1017/IP20/...-2901559
Highly rugged GOF round cable (IP20 heads only) for assembly and for outdoor installation with integrated moisture
barrier as well as rodent-proof scrim. Individual elements made from highly flexible FRNC material. The wire is ozone and
UV resistant with a very rugged polyethylene outer sheath.
Data plug
FO connectors-PSM-SET-B-FOC/4-HCS-2708481
B-FOC (ST) connector set for PCF fiber, for self assembly consisting of 4 quick mounting connectors with bend
protection sleeve
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page15/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Accessories
Assembly tool-PSM-HCS-KONFTOOL/B-FOC-2708465
HCS assembly kit for B-FOC(ST) quick mounting connectors, including stripping blade, stripping pliers, aramide yarn
scissors, fiber stripper, microscope, fiber cleaving tool for standard HCS and HCS GI fibers, four B-FOC(ST) connectors
for standard HCS fiber, and documentation
Measuring instrument-PSM-FO-POWERMETER-2799539
Fiber optic measuring case, consisting of an optical power meter, F-SMA, B-FOC adapters, reference fibers and
operating instructions
Fiber optic coupling-PSM-SET-BFOC-LINK/2-2799429
Coupling; set consisting of 2 couplings for connecting B-FOC plugs
Stripping tool-PSM-STRIP-FC/PROFIB-2744623
Quick stripping tool for PROFIBUS cable, type Fast Connect
D-SUB bus connector-SUBCON-PLUS M1-2761826
D-SUB connector, 9-pos., male connector, two cable entries < 35°, bus system: Modbus, Modbus Plus, BITBUS,
ARCNET, MULT/MININET (B&R), SYSTEM 2003 (B&R), P-NET, pin assignment: 1, 2, 3, 5, 6, 8 to two screw connection
terminal blocks
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page16/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Accessories
D-SUB bus connector-SUBCON-PLUS F1-2744267
D-SUB connector, 9-pos. female connector, two cable entries < 35°, bus system: Modbus, Modbus Plus, BITBUS,
ARCNET, MULT/MININET (B&R), SYSTEM 2003 (B&R), P-NET, pin assignment: 1, 2, 3, 5, 6, 8; screw connection
terminal blocks
D-SUB bus connector-SUBCON-PLUS M2-2761839
D-SUB connector, 9-pos., male connector, two cable entries < 35°, bus system: CAN, SUCONET K1, K2 (MOELLER), S-
BUS (Saia), J-BUS (Merlin Gerin), pin assignment: 2, 3, 4, 5, 7, 9 to two screw connection terminal blocks
D-SUB bus connector-SUBCON-PLUS F2-2799490
D-SUB connector, 9-pos. female connector, two cable entries < 35°, bus system: CAN, SUCONET K1, K2 (MOELLER),
S-BUS (Saia), J-BUS (Merlin Gerin), pin assignment: 2, 3, 4, 5, 7, 9 to two screw connection terminal blocks
D-SUB bus connector-SUBCON-PLUS 9/M-2744018
D-SUB connector, 9-pos., male connector, two cable entries < 35°, universal type for all systems, pin assignment: 1, 2, 3,
4, 5, 6, 7, 8, 9 to one screw connection terminal block
D-SUB bus connector-SUBCON-PLUS 9/F-2744241
D-SUB connector, 9-pos. female connector, two cable entries < 35°, universal type for all systems, pin assignment: 1, 2,
3, 4, 5, 6, 7, 8, 9 to one screw connection terminal block
DIN rail connector
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page17/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Accessories
DIN rail bus connectors-ME 17,5 TBUS 1,5/ 5-ST-3,81 GN-2709561
DIN rail connector for DIN rail mounting. Universal for TBUS housing. Gold-plated contacts, 5-pos.
DIN rail bus connectors-ME 17,5 TBUS 1,5/PP000-3,81 BK-2890014
DIN rail connector for DIN rail mounting. Universal for TBUS housing. Gold-plated contacts, 2-pos.
DIN rail bus connectors-ME 17,5 TBUS 1,5/ 5-ST-3,81 KMGY-2713645
DIN rail connector, color: light gray, nominal current: 8 A (parallel contacts), rated voltage (III/2): 125 V, Number of
positions per row: 5, pitch: 3.81 mm, mounting: DIN rail mounting, Locking: without, mounting: without, type of packaging:
packed in cardboard, Item with gold-plated contacts, bus connectors for connecting with electronics housings, 5 parallel
contacts
Interface converter
Repeater-PSI-REP-RS485W2-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
Repeater-PSM-ME-RS485/RS485-P-2744429
Repeater, for potential separation and range increase in RS-485 2-wire bus systems, 3-way isolation, rail-mountable
https://www.phoenixcontact.com/us/products/2708339
04/20/2021Page18/18
FO converters-PSI-MOS-RS485W2/FO 850 E-2708339
Accessories
Media converter
FO converters-PSI-MOS-RS485W2/FO 850 T-2708326
FO converter with integrated optical diagnostics, alarm contact, for RS-485 2-wire bus systems (SUCONET K,
Modbus ...) up to 500 kbps, NRZ coding, T-coupler with two FO interfaces (BFOC), 850 nm, for PCF/fiberglass cable
(multimode)
Power supply
Power supply unit-MINI-SYS-PS-100-240AC/24DC/1.5-2866983
Primary-switched MINI POWER supply for DIN rail mounting, input: 1-phase, output: 24 V DC/1.5 A
Screwdriver tools
Screwdriver-SZS 0,4X2,5 VDE-1205037
Screwdriver, slot-headed, VDE insulated, size: 0.4 x 2.5 x 80 mm, 2-component grip, with non-slip grip
Terminal resistor
Termination resistor-PSI-TERMINATOR-PB-TBUS-2702636
Active termination resistor for PROFIBUS and RS-485 bus systems, redundant power supply, routing of the supply
voltage via DIN rail connector, electrical isolation, switchable termination, integrated programming interface
Phoenix Contact 2021 © - all rights reserved
http://www.phoenixcontact.com