https://www.phoenixcontact.com/us/products/2708300
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FO converters-PSI-MOS-RS485W2/FO 660 T-2708300
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
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(http://phoenixcontact.com/download)
FO converter with integrated optical diagnosis, alarm contact, for RS-485 2-wire bus systems (SUCONET K,
Modbus ...) up to 500 kbps, NRZ coding, T-coupler with two FO interfaces (FSMA), 660 nm, for polymer/HCS
fiber cable
Product Features
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
Floating switch contact for leading alarm generation in relation to critical fiber optic paths
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
Suitable for data rates up to 500 kbps
Key commercial data
Packing unit 1 pc
Weight per Piece (excluding packing) 240.0 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
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Technical data
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 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 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 220 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))
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 100 mA (24 V DC)
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Technical data
Power supply
Connection method COMBICON plug-in screw terminal block
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 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 4,8/ 9,6/ 19,2/ 38,4/ 57,6/ 75/ 93,75/ 115,2/ 136/ 187,5/ 375/ 500
Optical interface FO
Transmit capacity, minimum -5.3 dBm (980/1000 µm)
-16 dBm (200/230 µm)
Minimum receiver sensitivity -30.2 dBm
Overrange receiver -3 dBm (980/1000 µm)
Wavelength 660 nm
Transmission length incl. 3 dB system reserve 100 m (With F-P 980/1000 230 dB/km with quick mounting connector)
800 m (With F-K 200/230 10 dB/km with quick mounting connector)
Transmission medium Polymer fiber
HCS fiber
Transmission protocol Protocol-transparent to the RS-485 interface
Connection method F-SMA
Digital outputs
Output name Relay output
Output description Alarm output
Number of outputs 1
Maximum switching voltage 60 V DC
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Technical data
Digital outputs
42 V AC
Limiting continuous current 0.46 A
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 / DNV / cULus Recognized
Ex Approvals
ATEX / UL Listed / cUL Listed / cULus Listed
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FO converters-PSI-MOS-RS485W2/FO 660 T-2708300
Approvals
Approvals submitted
Approval details
UL Recognized
cUL Recognized
DNV
cULus Recognized
Drawings
Application drawing
E
E
T
T
Point-to-pointconnection Redundant
point-to-pointconnection
FO
Max.31 Max.31
Max.31 Max.31
Redundant point-to-point connection
Application drawing
E
T
T
Linearstructure
FO
FO
FO
Max.31
Max.31
Max.31
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Application drawing
T T E
EEEE
...
E
Starstructure
FO
Max.31
Max.31
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
Redundant structure
Application drawing
T T T
TT T ...
Redundantstructure
max.31
max.31 max.31 max.31
FO
Tree structure
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FO converters-PSI-MOS-RS485W2/FO 660 T-2708300
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
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