4
RS-232
↔
CURRENT LOOP INTERFACE CONVERTER
TRADEMARKS USED IN THIS MANUAL
Any trademarks mentioned in this manual are acknowledged to be the property ofthe trademark owners.
Страница 1: ...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 blackbox com JUNE 2000 CL060A M CL060A F RS 2...
Страница 2: ...perated 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 measur...
Страница 3: ...nte 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 usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descr...
Страница 4: ...r una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado deb...
Страница 5: ...4 RS 232 CURRENT LOOP INTERFACE CONVERTER TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners...
Страница 6: ...8 3 2 Installing the Converter 8 3 2 1 RS 232 to Active Current Loop Running Passive 8 3 2 2 RS 232 to Passive Current Loop Running Active 9 4 Troubleshooting 11 4 1 Calling Black Box 11 4 2 Shipping...
Страница 7: ...nsmission Line 19 to 26 AWG twisted pair Interface RS 232 V 24 0 5 mm 20 mA Current Loop Temperature Tolerance 32 to 140 F 0 to 60 C Altitude Up to 15 000 ft 4572 m Humidity 5 to 95 noncondensing Conn...
Страница 8: ...supports communication distances of up to 4 miles 6 4 km over two unconditioned twisted pair To guard against data loss caused by ground loops the Converter is equipped with 2500 V RMS optical isolat...
Страница 9: ...32 device connected to the Converter is a PC terminal or host computer or is wired like one set the switch to DCE This setting causes the Converter to behave like Data Communications Equipment transmi...
Страница 10: ...urrent Loop Interface 3 2 2 RS 232 TO PASSIVE CURRENT LOOP RUNNING ACTIVE You may install the Converter into environments where an RS 232 device is communicating with a passive current loop device In...
Страница 11: ...sure to set the Converter s DCE DTE switch according to the instructions in Section 3 1 Figure 3 3 Connection to a Passive Current Loop Device 14 T 19 T 6 9 21 22 25 R 23 R R R T T Passive Current Loo...
Страница 12: ...urate assistance if you have a complete description including the nature and duration of the problem when the problem occurs the components involved in the problem any particular application that when...
Страница 13: ...Schmitt Trigger Optical Isolation Surge Protection 20 mA CURRENT LOOP 14 19 RS 232 Signal flow shown for DCE 2 3 TD TX TX Schmitt Trigger Optical Isolation Surge Protection 23 25 RD RX RX 6 9 560 21 2...
Страница 14: ...ce Set to DCE DIRECTION DTE SETTING DIRECTION From CL060A Data Term Ready DTR 20 1 FG Frame Ground 2 TD Transmit Data 3 RD Receive Data 4 RTS Request to Send 5 CTS Clear to Send 6 DSR Data Set Ready 7...
Страница 15: ...ER B 2 The Converter s Current Loop Interface Figure B 3 shows how the RS 232 Current Loop Interface Converter s current loop interface is pinned Figure B 3 Pinout of the Converter s Current Loop Inte...
Страница 16: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2000 Black Box Corporation All rights reserved...
