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EDS9-48A Datasheet, PDF (1/2 Pages) Fuji Electric – OPTICAL DISTRIBUTOR
FFI SYSTEM
OPTICAL DISTRIBUTOR
DATA SHEET
PSK1
This is a bidirectional signal converter which converts op-
tical digital signals of the FFI system into electrical digital
signals, and electrical digital signals into optical digital signals,
via RS422 interface.
SPECIFICATIONS
Functional specifications
No. of channels: 1 or 2 channels
Optical signals: Single-wire type optical fiber half-duplex
bidirectional communication
Electrical signal: Conforms to RS422 interface
Transmission distance:
Optical signal between field instrument
and optical distributor; 1.2km max.
Electrical signal between optical distrib-
utor and receiving section; 50m max.
Power supply: 24V DC (20 to 30V DC) or 24V+–1103 %AC,
50/60Hz
Power consumption:
Approx. 6W (24V DC) or approx. 9VA
(24V AC)
Ambient temperature:
0 to 45°C
Ambient humidity:
90% RH or less
Performance specifications
Transmission speed:
Approx. 20kbit/sec
Isolation:
Between input and power supply and be-
tween input and output;
completed isolation via optical interface
Between output and power supply;
Dielectric strength; 1500V AC for 1
minute
Insulation resistance: 100 MΩ or more
at 500V DC
Construction and material
Enclosure:
Steel plate casing (indoor type)
Finish color:
Silver (melamine baked finish)
Terminal cover; gray (molded synthetic
resin)
Outer dimensions (H x W x D):
247 x 44 x 154mm
Mass (weight): Approx. 1.6kg
Mounting method:
Surface mounting (using screws)
Input connection: Fuji-specified optical cable (to be prepared
separately); connection is made using FC
optical connector
Connecting terminals:
M4 screw
CODE SYMBOLS
12345678
PSK1 R1 1
1
2
R
1
No. of channels
1
2
Description
Output signal
RS422
Power supply
24V DC/24V AC 50/60Hz
SCOPE OF DELIVERY
Distributor (Excluding optical cable and optical connector)
RELATED DEVICES
• Optical star coupler (Data sheet No. EDS8-43)
ORDERING INFORMATION
1. Production name
2. Type
3. No. of channels
EDS9-48a
Date Mar. 15, 1991