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Summary of Contents for Patton electronics 2018
- Page 1 USER M A N UA L MODEL 2018 RS-232 to Current Loop Converter SALES OFFICE Part# 07M2018-B (301) 975-1000 Doc# 07304UB Revised 3/31/94 TECHNICAL SUPPORT (301) 975-1007 http:www.patton.com...
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Page 2: Warranty Information
AC outlet (such that the computing equipment and connected to a passive current loop interface, DC line power may be receiver are on different branches). applied to the Model 2018 via pins 9 and 21 of the DB-25 current loop interface. 1.2 SERVICE... - Page 3 3.0 CONFIGURAT I O N 4.0 INSTA L L AT I O N The Model 2018 is designed to be easy to use. There are no inter- The versatile Model 2018 can be installed in at least three different nal jumpers or DIP switches to set, so there is no need to open the applications: RS-232 to active current loop, RS-232 to passive current case to configure the unit.
- Page 4 Wire the cable as shown in Figure 4, paying attention to jumpers and genders of the cable's DB-25 connectors are opposite to those of the signal paths. Since this end of the cable connects to the Model 2018, respective Model 2018s. The maximum cable length depends on vari- its gender should be opposite to that of the Model 2018's connector.
- Page 5 APPENDIX A APPENDIX B BLOCK DIAGRAM PATTON MODEL SPECIFICATIONS Transmission Line: 19 to 26 AWG twisted pair Range: Up to 5 miles on 24 AWG twisted pair Interfaces: Asynchronous, EIA RS-232, CCITT V.24 full duplex; 20mA or 60mA current loop Data Rates: 50 - 115,200 bps Isolation:...
- Page 6 CURRENT LOOP PIN CONNECTIONS DIRECTION "DCE" SETTING DIRECTION (TX+) 14 1- (FG) Frame Ground 2- (TD) Transmit Data To Mdl 2018 3- (RD) Receive Data From Mdl 2018 4- (RTS) Request to Send To Mdl 2018 (TX-) 19 5- (CTS) Clear to Send...