Black Box SHM-FSK Скачать руководство пользователя | Manualshive

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12

SHORT HAUL MODEM (SHM-FSK)

Figure 2-3

is an illustration of a typical full-duplex or half-duplex,

point-to-point application.

Figure 2-3. Typical Application Connections.

Programmable

Logic Controller

(PLC)

SHM-FSK

SHM-FSK

Remote

Telemetry Unit

RS-232

Cable

RS-232

Cable

Copper Pairs up to

48,000 feet

(9.1 miles or 14.6 km)

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Содержание SHM-FSK

Страница 1: ...chnical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mail order Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbo...

Страница 2: ...operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measu...

Страница 3: ...camente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuari...

Страница 4: ...iado nicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconect...

Страница 5: ...6 SHORT HAUL MODEM SHM FSK TRADEMARKS All applied for and registered trademarks are the property of their respective owners...

Страница 6: ...llation 13 4 Operation 15 5 Jumper Settings 16 5 1 DCE and DTE Settings 16 5 2 Transmitter Output Level 16 5 3 Receiver Gain 17 5 4 Carrier Detect 17 5 5 Chassis Ground 17 5 6 Half Duplex Operation Ca...

Страница 7: ...0 feet 9 1 miles or 14 6 km on single twisted pair Operating Temperature 32 to 140 F 0 to 60 C Enclosure All metal enclosure 16 gauge steel polyurethane paint Interface DTE DCE jumper selectable Femal...

Страница 8: ...igured as either Master or Remote units and can be used for either point to point or multi drop data communications The SHM FSKs send data asynchronously They are transparent to protocol and to data r...

Страница 9: ...intelligent device it is connected to The Master unit s transmitter remains on all the time The green two position pluggable terminal block at the receptacle marked LINE on the back of the SHM FSK un...

Страница 10: ...REQUEST TO SEND DATA TERMINAL READY SIGNAL QUALITY DETECTOR RING INDICATOR DATA SIGNAL RATE SELECTOR DTE TRANSMITTER SIGNAL ELEMENT TIMING TEST MODE PROTECTIVE GROUND TRANSMITTED DATA RECEIVED DATA R...

Страница 11: ...f a typical full duplex or half duplex point to point application Figure 2 3 Typical Application Connections Programmable Logic Controller PLC SHM FSK SHM FSK Remote Telemetry Unit RS 232 Cable RS 232...

Страница 12: ...units and RS 232 data communications will take place transparently NOTE Make sure that the wire pair to be used for data communications between SHM FSK units is connected only to those units has no b...

Страница 13: ...ith an appropriate cable 6 Connect the transmission line to the unit at the green pluggable terminal block There is no polarity requirement 7 Connect the unit s power cord at the black two position pl...

Страница 14: ...nt device that a Remote SHM FSK is connected to PC PLC or RTU is used to control the the SHM FSK s transmitted carrier When logic is low the carrier is turned off when logic is high the carrier is tur...

Страница 15: ...re located directly behind the DB25 RS 232 connector on the rear panel 5 2 Transmitter Output Level The SHM FSK allows the selection of either normal or high power HP transmitter output The high power...

Страница 16: ...ing screws as desired to avoid a possible shock hazard 5 6 Half Duplex Operation Carrier Control The SHM FSK can be operated in multi drop half duplex mode by controlling the transmitter s carrier on...

Страница 17: ...is Carrier Detect In full duplex mode the CD LED must be ON on both units in half duplex carrier control mode with RS 232 cables connected the CD LED will be ON on all Remote SHMs and OFF on the Maste...

Страница 18: ...n line be non loaded free from inductors and capacitors on the line The presence of inductors capacitors or excessive resistance from bad connections for example or shorts between the wires can seriou...

Страница 19: ...onal CAUTION Do not connect anything except an RS 485 signal to positions 12 and 13 on the DB25 or damage to the circuit could occur The AE 485 Auto Enable circuit contains a special feature that elim...

Страница 20: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 1997 Black Box Corporation All rights reserved...

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