
https://www.phoenixcontact.com/us/products/2708371
02/11/2019Page2/15
FO converters-PSI-MOS-RS232/FO 850 E-2708371
Technical data
Note
Utilization restriction EMC: class A product, see manufacturer's declaration in the download
area
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
Transmission channels 2 (1/1), RxD, TxD, full duplex
Bit distortion, input ± 35 % (permitted)
Bit distortion, output < 6.25 %
Electrical isolation VCC // V.24 (RS-232)
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
Net weight 221.1 g
Housing material PA 6.6-FR
Color green
MTBF 320 Years (Telcordia standard, 25°C temperature, 21% operating cycle (5
days a week, 8 hours a day))
48 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 nA nC IIC T4 Gc X (Please follow the special installation
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