Related Manuals for Patton electronics 2017A
Summary of Contents for Patton electronics 2017A
- Page 1 USER M A N UA L MODEL 2017A RS-232 to 20ma Current Loop Converter SALES OFFICE Part# 07M2017A-A (301) 975-1000 Doc# 073021UA Revised 10/15/93 TECHNICAL SUPPORT (301) 975-1007 http://www.patton.com...
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Page 2: Warranty Information
4 miles over two unconditioned 24 AWG twisted pair. Service at (301) 975-1007. Packages received without an RMA number To guard against data loss due to ground loops, the Model 2017A is will not be accepted. equipped with 1500 V RMS optical isolators on the line side. - Page 3 Model 2017A receiver to source current for the loop, set the sors. switch to the “active” position. If the Model 2017A is to be used in an active loop, set the Model 2017A receiver’s active/passive switch to passive.
- Page 4 TWISTED PAIR WIRING OVERVIEW Only one Model 2017A is needed for each RS-232 to 20mA cur- rent loop circuit. The Model 2017A is connected to the current loop device using two twisted pairs. The pairs must be dry, unconditioned metallic wire, 19-26 AWG.
- Page 5 6. If there is a shield around the telephone cable, it may be con- 9. Insert the strain relief assembly with the wire going through it nected to "G" on the terminal block. To avoid ground loops, we recom- into the slot in the bottom half of the converter case and set it into the mend connecting the shield at the computer end only.
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Page 6: Completing The Installation
TWISTED PAIR CONNECTION USING MODULAR JACKS PATTON MODEL 2017A SPECIFICATIONS The modular version of the Model 2017A has an RJ-11 or RJ-45 jack mounted in the case. These jacks are prewired for a standard TELCO wiring environment. To be sure you have the right wiring, use... - Page 7 APPENDIX C APPENDIX B PATTON MODEL 2017A RS-232 PIN CONNECTIONS PATTON MODEL 2017A BLOCK DIAGRAM SIGNAL 1 ....FG 2 ....TD 3 ....RD 7 ....GND 9....+V...