data sheet ffi system date EDS9-48A mar. 15, 1991 psk1 optical distributor 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 +13 %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 m ? 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 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 power supply 24v dc/24v ac 50/60hz s p1 k1 r 1 2 1 345678 no. of channels 1 2 output signal rs422 r 1 2 1 description e 10
information in this catalog is subject to change without notice. printed in japan 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 caution on safety *before using this product, be sure to read its instruction manual in advance. psk1 system configuration diagram external connection diagram outline diagram (unit: mm) transmitter optical star coupler (fxn) 1.2km max. optical distributor (psk) 8 units max. 8 units max. optical signal channel 1 electrical signal rs422 channel 2 24v dc or 24v ac 11 31 32 33 34 35 36 37 12 13 14 15 16 as in as ic bs in bs ic nc fg as ot as oc bs ot bs oc nc vp pc + - + - + - + - channel 1 input (host to psk) channel 1 output (psk to host) + - channel 2 input channel 2 output power supply 24v dc or 24v ac 44 41 210 235 235 247 120 154 1.2 optical connector port terminals 2- 5 2-m4 mounting dimensions
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