FFI SYSTEM OPTICAL DISTRIBUTOR PSK1 DATA SHEET This is a bidirectional signal converter which converts optical 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 distributor and receiving section; 50m max. Power supply: 24V DC (20 to 30V DC) or 24V+13 –10 %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 between 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: Finish color: Steel plate casing (indoor type) 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 1 2 3 4 5 6 7 8 P SK 1 R 1 1 Description No. of channels 1 2 1 2 Output signal RS422 R 1 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 PSK1 SYSTEM CONFIGURATION DIAGRAM Optical star coupler (FXN) Transmitter EXTERNAL CONNECTION DIAGRAM Optical distributor (PSK) Optical signal Channel 1 31 + Electrical signal Channel 2 Channel 1 input (host to PSK) + 11 AS IN - 12 AS IC RS422 + 13 8 units max. Channel 2 input 24V DC or 24V AC 32 15 NC FG Channel 1 output (PSK to host) 33 + BS OT BS OC NC - AS OC BS IN - 14 BS IC 16 8 units max. AS OT 34 - Channel 2 output 35 36 + VP 37 - Power supply 24V DC or 24V AC PC 1.2km max. OUTLINE DIAGRAM (Unit: mm) 2- 235 247 235 210 44 41 1.2 5 Terminals 2-M4 120 154 Mounting dimensions Optical connector port Caution on Safety *Before using this product, be sure to read its instruction manual in advance. Head Office 6-17, Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan http://www.fesys.co.jp/eng Sales Div. International Sales Dept. No.1, Fuji-machi, Hino-city, Tokyo, 191-8502 Japan Phone: 81-42-585-6201, 6202 Fax: 81-42-585-6187 http: //www.fic-net.jp/eng Information in this catalog is subject to change without notice. Printed in Japan