BA02191C SS2100 TDLAS H
2
S Gas Analyzer
Endress+Hauser 3-11
Description of Device Parameters for your analyzer to change the Assignable
Alarm configuration.
The Assignable Alarm output can be wired for OPEN or CLOSED depending on
which terminals are used normally open (NO) or normally closed (NC).
The relay for the General Fault Alarm is configured to be fail safe (or normally
energized) so the dry contact will open in the event of power loss or General
Fault Alarm. Thus, the cables for the General Fault Alarm should be wired to
the common and NO terminals.
Connections can be made with customer-supplied cables for the current loops
and alarms and factory-supplied cables for the serial connections. Consult the
wiring diagram in Appendix A.
To connect the analyzer signal and alarm cables
1. Disconnect power from analyzer 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 left-hand corner of the electronics enclosure labeled
for signal input/output. Refer to “Application of conduit
lubricant” on page 3-9 and the analyzer drawings in Appendix A.
Hazardous voltage and risk of electric shock. Be sure power
to the analyzer is turned off before opening either electronics
enclosure and making any connections.
See Figure 1–6 on page 1–11 and Figure 1–7 on page 1–12 for
locating fuses. If you need to replace a fuse, use only the same
type and rating of fuse as the original as listed in Table 1–1 on
page 1–10.
Refer to the Description of Device Parameters for more
information on system programming and operation.
Hazardous voltage and risk of electric shock. Be sure power
to the analyzer is turned off before opening either electronics
enclosure and making any connections.
Conduit seals should be used where appropriate in compliance
with local regulations.
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