SS2100 TDLAS H
2
S Gas Analyzer BA02191C
3-14 Endress+Hauser
To change the 4-20 mA board from source to sink
1. Disconnect power from the analyzer and open the electronics
enclosure cover. Take care not to disturb the electrical assembly
inside.
2. Locate the relay control board in the upper right of the electronics
enclosure, as shown in Figure 1–6 on page 1–11 or Figure 1–7 on
page 1–12.
3. Remove the jumper (JMP1), shown in Figure 3–7, connecting the
center pin to point “A.”
4. For 4-20 mA sink, carefully replace the jumper to connect the center
pin with point “P.”
5. Reconnect power to the analyzer. Confirm the 4 mA (minimum) and
20 mA (maximum) points.
6. Close and tighten the analyzer electronics enclosure cover. Follow
the programming instructions below.
Calibrating the analog output
1. Connect a calibrator and digital multi-meter into the circuit.
2. On the analyzer keypad, press #2 (Mode 2), the password (3142)
and *.
Needle nose pliers may be required to remove the jumper.
Figure 3–7 Analyzer 4-20 mA board
JMP1POTENTIOMETERS
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