2-Pack Analyzer System
3–14 4900002256 rev. B 4-13-21
12. To complete the connections, connect the other end of the current
loop wires to a current loop receiver, the external serial cable to a
serial port on your computer and the alarm cables to the appropriate
alarm monitors.
ToconnecttheAnalyzerBsignalandalarmcables
1. Disconnect power from Analyzer B (right side) and open the
electronics enclosure cover. Take care not to disturb the electrical
assembly inside.
2. Run conduit from the signal/alarm receiving station to the conduit
hub in the upper right-hand corner of the Analyzer B electronics
enclosure. Refer to “Application of conduit lubricant” on page
3-10 and analyzer drawings in Appendix A.
Table 3–1 Analyzer A input/output signal connections
Terminal Description D-Conn Color
1 Analyzer A Serial RX Pin-3 Black
2 Analyzer A Serial TX Pin-2 Red
3 COM Serial Ground Pin-5 Shield
4N/C
5N/C
6N/C
7 Analyzer A Current Loop +
8 Analyzer A Current Loop -
9 Analyzer B Current Loop +
10 Analyzer B Current Loop -
11 Digital Input
12 Digital Input
Hazardous voltage and risk of electric shock. Be sure power
to the analyzer is turned off before opening the electronics
enclosure and making any connections.
Conduit seals should be used where appropriate in compliance
with local regulations.
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