https://www.phoenixcontact.com/us/products/2708397
FO converters - PSI-MOS-RS422/FO 850 T - 2708397
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FO converter with integrated optical diagnosis, alarm contact, for RS-422/RS-485 4-wire/ INTERBUS to 2 Mbps,
T-coupler with two FO interfaces (BFOC), 850 nm, for HCS/fiber glass cable
Product Features
Supply voltage routed through via DIN rail connectors
Connections can be plugged in using a COMBICON screw terminal block
Redundant power supply possible by means of optional system power supply unit
High-quality electrical isolation between all interfaces (INTERBUS // fiber optic ports // power supply // DIN rail connector)
Approved for use in zone 2
Integrated optical diagnostics for continuous monitoring of fiber optic paths
Intrinsically safe fiber optic interface (Ex op is) for direct connection to devices in zone 1
Floating switch contact for leading alarm generation in relation to critical fiber optic paths
Automatic data rate detection for all data rates up to 2 Mbps
Key commercial data
Packing unit
1 pc
Weight per Piece (excluding packing)
248.5 GRM
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
Dimensions
Width
35 mm
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Technical data
Dimensions
Height
99 mm
Depth
103 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
Transmission channels
2 (1/1) RD, TD, full duplex
Bit distortion, input
± 35 % (permitted)
Bit distortion, output
< 6.25 %
Electrical isolation
VCC // RS-422
Test voltage data interface/power supply
1.5 kVrms (50 Hz, 1 min.)
Electromagnetic compatibility
Conformance with EMC Directive 2004/108/EC
Noise emission
EN 55011
Net weight
200 g
Housing material
PA 6.6-FR
Color
green
MTBF
178 Years (Telcordia standard, 25°C temperature, 21% operating cycle (5
days a week, 8 hours a day))
26 Years (Telcordia standard, 40°C temperature, 34.25% operating cycle
(5 days a week, 12 hours a day))
Conformance
CE-compliant
ATEX
II 3 G Ex nAC IIC T4 X (Please follow the special installation instructions
in the documentation!)
II (2) GD [Ex op is] IIC (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
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
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Technical data
Serial interface
Interface 1
RS-422 interface in acc. with ITU-T V.11, EIA/TIA-422, DIN 66348-1
Operating mode
Full duplex
Connection method
Pluggable screw connection
Transmission medium
Copper
Transmission length
≤ 1000 m (depending on the data rate, with shielded, twisted data cable)
Termination resistor
220 Ω
100 Ω
220 Ω
Conductor cross section solid min.
0.2 mm²
Conductor cross section solid max.
2.5 mm²
Conductor cross section stranded min.
0.2 mm²
Conductor cross section stranded max.
2.5 mm²
Conductor cross section AWG/kcmil min.
24
Conductor cross section AWG/kcmil max
14
Serial transmission speed
≤ 2 Mbps
Optical interface FO
Transmit capacity, minimum
-4.6 dBm (200/230 µm)
-17.6 dBm (50/125 µm)
-13.6 dBm (62,5/125 µm)
Minimum receiver sensitivity
-33.2 dBm
Wavelength
850 nm
Transmission length incl. 3 dB system reserve
2800 m (With F-K 200/230 10 dB/km with quick mounting connector)
4200 m (with F-G 50/125 2.5 dB/km)
4800 m (with F-G 62,5/125 3.0 dB/km)
Transmission medium
HCS fiber
Multi-mode fiberglass
Transmission protocol
Transparent to protocol for RS-422 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
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Classifications
eCl@ss
eCl@ss 4.0
27230207
eCl@ss 4.1
27230207
eCl@ss 5.0
27230207
eCl@ss 5.1
27230207
eCl@ss 6.0
27230207
eCl@ss 7.0
27230207
eCl@ss 8.0
27143136
ETIM
ETIM 2.0
EC001423
ETIM 3.0
EC001423
ETIM 4.0
EC001423
ETIM 5.0
EC001423
UNSPSC
UNSPSC 6.01
30211506
UNSPSC 7.0901
39121008
UNSPSC 11
39121008
UNSPSC 12.01
39121008
UNSPSC 13.2
43201553
Approvals
Approvals
Approvals
UL Recognized / cUL Recognized / cULus Recognized
Ex Approvals
ATEX / UL Listed / cUL Listed / cUL Listed / cULus Listed / cULus Listed
Approvals submitted
Approval details
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Approvals
UL Recognized
cUL Recognized
cULus Recognized
Accessories
Accessories
Adapter
Fiber optic coupling - PSM-SET-BFOC-LINK/2 - 2799429
Coupling; set consisting of 2 couplings for connecting B-FOC plugs
Assembly tool
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, and documentation
Connector set
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Accessories
FO connectors - PSM-SET-B-FOC/4-HCS - 2708481
B-FOC (ST) connector set for HCS fiber, for self assembly consisting of 4 quick mounting connectors with bend
protection sleeve
Data cable by the meter
FO cable - PSM-LWL-HCS-RUGGED-200/230 - 2799885
HCS cable, duplex 200/230 µm, by the meter, without connector, for indoor installation
FO cable - PSM-LWL-HCSO-200/230 - 2799445
HCS cable, duplex 200/230 µm, by the meter, without connector, for outdoor installation
FO cable - PSM-LWL-GDM-RUGGED- 50/125 - 2799322
Fiberglass cable, duplex 50/125 µm, by the meter, without connector, for indoor installation
FO cable - PSM-LWL-GDO- 50/125 - 2799432
Fiberglass cable, duplex 50/125 µm, by the meter, without connector, for outdoor installation
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Accessories
Data cable preassembled
FO patch cable - FL MM PATCH 1,0 LC-ST - 2989174
Assembled fiber optic cable, break-out cable, fiberglass multi-mode 50/125 µm, connector: LC/B-FOC (ST), degree of
protection: IP20, for installation in cable ducts or control cabinets, length: 1 m
FO patch cable - FL MM PATCH 2,0 LC-ST - 2989271
Assembled fiber optic cable, break-out cable, fiberglass multi-mode 50/125 µm, connector: LC/B-FOC (ST), degree of
protection: IP20, for installation in cable ducts or control cabinets, length: 2 m
FO patch cable - FL MM PATCH 5,0 LC-ST - 2901801
Assembled FO cable, break out cable, multi-mode fiberglass 50/125 µm, plug: LC / B-FOC (ST), protection type: IP20, for
installation in cable ducts or control cabinets, length: 5 m
FO patch cable - FL MM PATCH 1,0 SC-ST - 2901809
Assembled FO cable, break out cable, multi-mode fiberglass 50/125 µm, connector: SC Duplex / B-FOC, protection type:
IP20, for installation in cable ducts or control cabinets, length: 1 m
FO patch cable - FL MM PATCH 5,0 SC-ST - 2901811
Assembled FO cable, break out cable, multi-mode fiberglass 50/125 µm, connector: SC Duplex / B-FOC (ST), protection
type: IP20, for installation in cable ducts or control cabinets, length: 5 m
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Accessories
FO patch cable - FL MM PATCH 1,0 ST-ST - 2901815
Assembled FO cable, break out cable, multi-mode fiberglass 50/125 µm, connector: B-FOC (ST) / B-FOC (ST),
protection type: IP20, for installation in cable ducts or control cabinets, length: 1 m
FO patch cable - FL MM PATCH 2,0 ST-ST - 2901816
Assembled FO cable, break out cable, multi-mode fiberglass 50/125 µm, connector: B-FOC (ST) / B-FOC (ST),
protection type: IP20, for installation in cable ducts or control cabinets, length: 2 m
FO patch cable - FL MM PATCH 5,0 ST-ST - 2901817
Assembled FO cable, break out cable, multi-mode fiberglass 50/125 µm, connector: B-FOC (ST) / B-FOC (ST),
protection type: IP20, for installation in cable ducts or control cabinets, length: 5 m
FO patch cable - FL MM PATCH 1,0 ST-SCRJ - 2901820
Assembled FO cable, break out cable, multi-mode fiberglass 50/125 µm, connector: SC Duplex / SCRJ, protection type:
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, multi-mode fiberglass 50/125 µm, connector: B-FOC (ST) / SCRJ, protection type:
IP20, for installation in cable ducts or control cabinets, length: 2 m
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Accessories
FO patch cable - FL MM PATCH 5,0 ST-SCRJ - 2901822
Assembled FO cable, break out cable, multi-mode fiberglass 50/125 µm, connector: B-FOC (ST) / SCRJ, protection type:
IP20, for installation in cable ducts or control cabinets, length: 5 m
Data plug
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
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
DIN rail connector
Electronic housing - 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.
Interface converter
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Accessories
Interface converter - PSM-ME-RS232/RS485-P - 2744416
Interface converter, for converting RS-232 (V.24) to RS-422 (V.11) and RS-485, with electrical isolation, 2 channels, railmountable
Measuring tools
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
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
DIN rail connector - 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.
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Drawings
Application drawing
Application drawing
Master
E
FO
T
Slaves:
1 x RS-422
Max. 31 x RS-485 4-wire
FO
T
FO
Slaves:
1 x RS-422
Max. 31 x RS-485 4-wire
Master/Slave line structure
INTERBUS with PSI-MOS-RS-422
Redundant connection
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Application drawing
Application drawing
Master
Master
T
T
E
T
...
T
T
...
FO
LWL(FO)
T
E
Star structure
E
E
E
Slaves:
1 x RS-422
Max. 31 x RS-485 4-wire
T
T
E
Slaves:
1 x RS-422
max. 31 x RS-485-4-wire
Redundant structure
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Application drawing
Redundant point-to-point connection
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Application drawing
Redundant structure
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FO converters - PSI-MOS-RS422/FO 850 T - 2708397
Block diagram
*) only with PSI-MOS.../FO...T
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